./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:00:21,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:00:21,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 01:00:21,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:00:21,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:00:21,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:00:21,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:00:21,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:00:21,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:00:21,194 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:00:21,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:00:21,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:00:21,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:00:21,196 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 01:00:21,197 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 01:00:21,197 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 01:00:21,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:00:21,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:00:21,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:00:21,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:00:21,199 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:00:21,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:00:21,201 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:00:21,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:00:21,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:21,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:00:21,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:00:21,203 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:00:21,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:00:21,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2023-12-03 01:00:21,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:00:21,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:00:21,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:00:21,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:00:21,437 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:00:21,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2023-12-03 01:00:24,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:00:24,449 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:00:24,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2023-12-03 01:00:24,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data/ba6a95d56/39e17c979271433ab3d4ff95d82f56f7/FLAGa2635f295 [2023-12-03 01:00:24,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data/ba6a95d56/39e17c979271433ab3d4ff95d82f56f7 [2023-12-03 01:00:24,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:00:24,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:00:24,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:24,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:00:24,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:00:24,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@888cea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24, skipping insertion in model container [2023-12-03 01:00:24,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:00:24,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:24,780 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:00:24,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:24,844 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:00:24,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24 WrapperNode [2023-12-03 01:00:24,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:24,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:24,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:00:24,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:00:24,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,890 INFO L138 Inliner]: procedures = 119, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 187 [2023-12-03 01:00:24,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:24,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:00:24,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:00:24,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:00:24,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:00:24,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:00:24,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:00:24,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:00:24,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:24" (1/1) ... [2023-12-03 01:00:24,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:24,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:00:24,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:00:24,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:00:24,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:00:24,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:00:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:00:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:00:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:00:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:00:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:00:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:00:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:00:24,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:00:25,094 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:00:25,096 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:00:25,467 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:00:25,518 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:00:25,518 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-12-03 01:00:25,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:25 BoogieIcfgContainer [2023-12-03 01:00:25,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:00:25,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:00:25,522 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:00:25,546 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:00:25,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:25" (1/1) ... [2023-12-03 01:00:25,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:00:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2023-12-03 01:00:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2023-12-03 01:00:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:00:25,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:25,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2023-12-03 01:00:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2023-12-03 01:00:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:00:25,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:25,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2023-12-03 01:00:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2023-12-03 01:00:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:00:25,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:25,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2023-12-03 01:00:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2023-12-03 01:00:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:00:26,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2023-12-03 01:00:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2023-12-03 01:00:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:00:26,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2023-12-03 01:00:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2023-12-03 01:00:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:00:26,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2023-12-03 01:00:26,267 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2023-12-03 01:00:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:00:26,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2023-12-03 01:00:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2023-12-03 01:00:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:00:26,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2023-12-03 01:00:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2023-12-03 01:00:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:00:26,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2023-12-03 01:00:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2023-12-03 01:00:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:00:26,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2023-12-03 01:00:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2023-12-03 01:00:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:00:26,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2023-12-03 01:00:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2023-12-03 01:00:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:00:26,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2023-12-03 01:00:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2023-12-03 01:00:26,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:00:26,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2023-12-03 01:00:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2023-12-03 01:00:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:00:27,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:27,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2023-12-03 01:00:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2023-12-03 01:00:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:00:27,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:27,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2023-12-03 01:00:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-03 01:00:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:00:27,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:27,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2023-12-03 01:00:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2023-12-03 01:00:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:00:27,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:28,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 158 states and 199 transitions. [2023-12-03 01:00:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 199 transitions. [2023-12-03 01:00:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:00:28,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:28,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2023-12-03 01:00:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2023-12-03 01:00:29,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:00:29,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:29,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2023-12-03 01:00:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2023-12-03 01:00:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:00:29,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:29,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 161 states and 201 transitions. [2023-12-03 01:00:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 201 transitions. [2023-12-03 01:00:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:00:29,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 163 states and 204 transitions. [2023-12-03 01:00:30,158 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 204 transitions. [2023-12-03 01:00:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:00:30,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:30,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 169 states and 214 transitions. [2023-12-03 01:00:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 214 transitions. [2023-12-03 01:00:30,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:00:30,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:30,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:30,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 225 transitions. [2023-12-03 01:00:30,715 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 225 transitions. [2023-12-03 01:00:30,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:00:30,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:30,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 178 states and 231 transitions. [2023-12-03 01:00:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2023-12-03 01:00:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:00:31,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:31,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 183 states and 239 transitions. [2023-12-03 01:00:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2023-12-03 01:00:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:00:33,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:33,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 185 states and 244 transitions. [2023-12-03 01:00:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 244 transitions. [2023-12-03 01:00:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:00:34,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 184 states and 243 transitions. [2023-12-03 01:00:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 243 transitions. [2023-12-03 01:00:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:00:35,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2023-12-03 01:00:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2023-12-03 01:00:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:00:35,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 185 states and 245 transitions. [2023-12-03 01:00:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 245 transitions. [2023-12-03 01:00:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:00:35,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:35,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2023-12-03 01:00:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2023-12-03 01:00:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:00:35,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:35,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:38,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2023-12-03 01:00:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2023-12-03 01:00:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:00:38,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 191 states and 253 transitions. [2023-12-03 01:00:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 253 transitions. [2023-12-03 01:00:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:00:38,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:38,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2023-12-03 01:00:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2023-12-03 01:00:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:00:39,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2023-12-03 01:00:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2023-12-03 01:00:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:00:39,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:39,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 192 states and 257 transitions. [2023-12-03 01:00:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 257 transitions. [2023-12-03 01:00:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:00:39,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:39,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 194 states and 261 transitions. [2023-12-03 01:00:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2023-12-03 01:00:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:00:39,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:39,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 198 states and 267 transitions. [2023-12-03 01:00:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 267 transitions. [2023-12-03 01:00:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:00:40,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 197 states and 266 transitions. [2023-12-03 01:00:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2023-12-03 01:00:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:00:40,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 196 states and 265 transitions. [2023-12-03 01:00:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 265 transitions. [2023-12-03 01:00:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:00:40,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:40,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 201 states and 271 transitions. [2023-12-03 01:00:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 271 transitions. [2023-12-03 01:00:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:00:42,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:42,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 203 states and 274 transitions. [2023-12-03 01:00:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 274 transitions. [2023-12-03 01:00:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:00:43,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:43,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 205 states and 277 transitions. [2023-12-03 01:00:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2023-12-03 01:00:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:00:45,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:45,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 206 states and 278 transitions. [2023-12-03 01:00:45,162 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2023-12-03 01:00:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:00:45,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:45,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 208 states and 285 transitions. [2023-12-03 01:00:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 285 transitions. [2023-12-03 01:00:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:00:45,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:45,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:46,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 211 states and 291 transitions. [2023-12-03 01:00:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 291 transitions. [2023-12-03 01:00:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:00:46,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:46,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 210 states and 287 transitions. [2023-12-03 01:00:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 287 transitions. [2023-12-03 01:00:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:00:46,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:46,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:46,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 213 states and 290 transitions. [2023-12-03 01:00:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 290 transitions. [2023-12-03 01:00:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:00:46,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:46,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 212 states and 287 transitions. [2023-12-03 01:00:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 287 transitions. [2023-12-03 01:00:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:00:48,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:48,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:48,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 213 states and 289 transitions. [2023-12-03 01:00:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 289 transitions. [2023-12-03 01:00:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:00:48,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:49,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 214 states and 290 transitions. [2023-12-03 01:00:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2023-12-03 01:00:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:00:49,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 218 states and 297 transitions. [2023-12-03 01:00:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 297 transitions. [2023-12-03 01:00:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:00:51,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:51,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 220 states and 301 transitions. [2023-12-03 01:00:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2023-12-03 01:00:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:00:52,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:52,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 233 states and 327 transitions. [2023-12-03 01:01:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 327 transitions. [2023-12-03 01:01:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:01:00,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:00,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:00,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:01,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 234 states and 328 transitions. [2023-12-03 01:01:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 328 transitions. [2023-12-03 01:01:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:01,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:01,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 233 states and 327 transitions. [2023-12-03 01:01:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 327 transitions. [2023-12-03 01:01:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:01,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 234 states and 328 transitions. [2023-12-03 01:01:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 328 transitions. [2023-12-03 01:01:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:01,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 245 states and 357 transitions. [2023-12-03 01:01:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 357 transitions. [2023-12-03 01:01:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:05,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:05,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 260 states and 393 transitions. [2023-12-03 01:01:12,515 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 393 transitions. [2023-12-03 01:01:12,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:12,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:12,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 261 states and 394 transitions. [2023-12-03 01:01:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 394 transitions. [2023-12-03 01:01:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:12,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:12,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 271 states and 422 transitions. [2023-12-03 01:01:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 422 transitions. [2023-12-03 01:01:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:19,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:19,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 272 states and 424 transitions. [2023-12-03 01:01:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 424 transitions. [2023-12-03 01:01:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:19,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:19,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 275 states and 435 transitions. [2023-12-03 01:01:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 435 transitions. [2023-12-03 01:01:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:20,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:20,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 276 states and 440 transitions. [2023-12-03 01:01:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 440 transitions. [2023-12-03 01:01:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:20,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:20,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 277 states and 442 transitions. [2023-12-03 01:01:21,672 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 442 transitions. [2023-12-03 01:01:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:01:21,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:21,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 278 states and 446 transitions. [2023-12-03 01:01:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 446 transitions. [2023-12-03 01:01:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:01:22,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:22,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:22,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 282 states and 450 transitions. [2023-12-03 01:01:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 450 transitions. [2023-12-03 01:01:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:01:26,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:01:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 281 states and 449 transitions. [2023-12-03 01:01:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 449 transitions. [2023-12-03 01:01:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:01:26,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:26,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 290 states and 463 transitions. [2023-12-03 01:01:31,342 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 463 transitions. [2023-12-03 01:01:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:01:31,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:31,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:31,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 289 states and 462 transitions. [2023-12-03 01:01:31,388 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 462 transitions. [2023-12-03 01:01:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:01:31,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:31,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 291 states and 465 transitions. [2023-12-03 01:01:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 465 transitions. [2023-12-03 01:01:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:01:32,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 290 states and 464 transitions. [2023-12-03 01:01:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 464 transitions. [2023-12-03 01:01:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:01:32,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:32,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:32,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 291 states and 465 transitions. [2023-12-03 01:01:32,609 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 465 transitions. [2023-12-03 01:01:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:01:32,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 306 states and 493 transitions. [2023-12-03 01:01:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 493 transitions. [2023-12-03 01:01:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:01:46,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 307 states and 493 transitions. [2023-12-03 01:01:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 493 transitions. [2023-12-03 01:01:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:01:46,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:46,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:47,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 308 states and 495 transitions. [2023-12-03 01:01:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 495 transitions. [2023-12-03 01:01:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:01:47,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:47,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 309 states and 495 transitions. [2023-12-03 01:01:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 495 transitions. [2023-12-03 01:01:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:01:47,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:47,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:02:01,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 328 states and 535 transitions. [2023-12-03 01:02:01,669 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 535 transitions. [2023-12-03 01:02:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:02:01,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:01,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:01,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:02:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 334 states and 545 transitions. [2023-12-03 01:02:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 545 transitions. [2023-12-03 01:02:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:02:04,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:02:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 335 states and 548 transitions. [2023-12-03 01:02:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 548 transitions. [2023-12-03 01:02:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:02:05,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:02:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 343 states and 566 transitions. [2023-12-03 01:02:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 566 transitions. [2023-12-03 01:02:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:02:12,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:12,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:02:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 344 states and 567 transitions. [2023-12-03 01:02:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 567 transitions. [2023-12-03 01:02:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:02:13,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:13,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:02:14,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 343 states and 566 transitions. [2023-12-03 01:02:14,933 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 566 transitions. [2023-12-03 01:02:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:02:14,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:02:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 342 states and 565 transitions. [2023-12-03 01:02:15,005 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 565 transitions. [2023-12-03 01:02:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:02:15,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:15,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:02:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 350 states and 588 transitions. [2023-12-03 01:02:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 588 transitions. [2023-12-03 01:02:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:02:30,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:30,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:02:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 353 states and 598 transitions. [2023-12-03 01:02:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 598 transitions. [2023-12-03 01:02:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:02:33,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:33,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:02:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 354 states and 600 transitions. [2023-12-03 01:02:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 600 transitions. [2023-12-03 01:02:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:02:34,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:34,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:02:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 354 states and 599 transitions. [2023-12-03 01:02:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 599 transitions. [2023-12-03 01:02:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:02:34,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:34,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:02:54,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 367 states and 633 transitions. [2023-12-03 01:02:54,930 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 633 transitions. [2023-12-03 01:02:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:02:54,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:02:54,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:02:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:02:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:02:55,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:02:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:02:55,184 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 89 iterations. [2023-12-03 01:02:55,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-12-03 01:02:55,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-03 01:02:55,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-12-03 01:02:55,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:02:55 ImpRootNode [2023-12-03 01:02:55,222 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:02:55,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:02:55,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:02:55,222 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:02:55,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:25" (3/4) ... [2023-12-03 01:02:55,225 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:02:55,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:02:55,227 INFO L158 Benchmark]: Toolchain (without parser) took 150748.57ms. Allocated memory was 148.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 115.7MB in the beginning and 898.1MB in the end (delta: -782.4MB). Peak memory consumption was 350.5MB. Max. memory is 16.1GB. [2023-12-03 01:02:55,227 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:02:55,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.11ms. Allocated memory is still 148.9MB. Free memory was 115.2MB in the beginning and 97.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:02:55,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.76ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:02:55,229 INFO L158 Benchmark]: Boogie Preprocessor took 36.56ms. Allocated memory is still 148.9MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:02:55,230 INFO L158 Benchmark]: RCFGBuilder took 591.97ms. Allocated memory is still 148.9MB. Free memory was 92.6MB in the beginning and 59.8MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 01:02:55,230 INFO L158 Benchmark]: CodeCheck took 149700.24ms. Allocated memory was 148.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 59.8MB in the beginning and 899.2MB in the end (delta: -839.4MB). Peak memory consumption was 296.0MB. Max. memory is 16.1GB. [2023-12-03 01:02:55,231 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 1.3GB. Free memory was 899.2MB in the beginning and 898.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:02:55,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 149.6s, OverallIterations: 89, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21046 SdHoareTripleChecker+Valid, 71.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15299 mSDsluCounter, 15429 SdHoareTripleChecker+Invalid, 62.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12148 mSDsCounter, 13121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52261 IncrementalHoareTripleChecker+Invalid, 65382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13121 mSolverCounterUnsat, 3281 mSDtfsCounter, 52261 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12379 GetRequests, 11295 SyntacticMatches, 262 SemanticMatches, 822 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312068 ImplicationChecksByTransitivity, 139.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 1604 NumberOfCodeBlocks, 1604 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 1487 ConstructedInterpolants, 0 QuantifiedInterpolants, 7103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 79 PerfectInterpolantSequences, 36/50 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={15267:0}] [L1000] null->prev = ((void*)0) VAL [null={15267:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={15266:0}, null={15267:0}] [L1005] list->prev = null VAL [list={15266:0}, null={15267:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={15266:0}, list={15266:0}, null={15267:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={15266:0}, list={15266:0}, null={15267:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={15266:0}, list={15266:0}, null={15267:0}] [L1042] EXPR end->colour VAL [end={15266:0}, list={15266:0}, null={15267:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end VAL [end={15266:0}, list={15266:0}, null={15267:0}] [L1045] EXPR end->colour VAL [end={15266:0}, list={15266:0}, null={15267:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [end={15267:0}, list={15266:0}, null={15267:0}] [L1056] COND TRUE null != list VAL [end={15267:0}, list={15266:0}, null={15267:0}] [L1058] EXPR list->colour VAL [end={15267:0}, list={15266:0}, null={15267:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={15267:0}, list={15266:0}, null={15267:0}] [L1068] free(list) VAL [end={15267:0}, list={15266:0}, null={15267:0}] [L1068] free(list) [L1069] list = end VAL [end={15267:0}, list={15267:0}, null={15267:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0, end={15267:0}, list={15267:0}, null={15267:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.11ms. Allocated memory is still 148.9MB. Free memory was 115.2MB in the beginning and 97.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.76ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.56ms. Allocated memory is still 148.9MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.97ms. Allocated memory is still 148.9MB. Free memory was 92.6MB in the beginning and 59.8MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 149700.24ms. Allocated memory was 148.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 59.8MB in the beginning and 899.2MB in the end (delta: -839.4MB). Peak memory consumption was 296.0MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 1.3GB. Free memory was 899.2MB in the beginning and 898.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:02:55,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:02:57,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:02:57,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 01:02:57,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:02:57,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:02:57,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:02:57,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:02:57,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:02:57,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:02:57,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:02:57,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:02:57,330 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 01:02:57,330 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 01:02:57,331 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 01:02:57,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:02:57,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:02:57,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:02:57,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:02:57,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:02:57,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:02:57,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:02:57,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:02:57,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:02:57,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:02:57,337 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:02:57,338 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:02:57,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:02:57,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:02:57,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:02:57,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:02:57,340 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:02:57,340 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:02:57,340 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:02:57,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:02:57,341 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2023-12-03 01:02:57,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:02:57,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:02:57,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:02:57,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:02:57,652 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:02:57,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2023-12-03 01:03:00,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:03:00,626 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:03:00,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2023-12-03 01:03:00,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data/aff38d04d/ea6d60edc9094e92a2fff07c46874624/FLAGde76e82f3 [2023-12-03 01:03:00,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/data/aff38d04d/ea6d60edc9094e92a2fff07c46874624 [2023-12-03 01:03:00,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:03:00,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:03:00,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:00,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:03:00,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:03:00,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:00" (1/1) ... [2023-12-03 01:03:00,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bc2ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:00, skipping insertion in model container [2023-12-03 01:03:00,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:00" (1/1) ... [2023-12-03 01:03:00,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:00,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:00,993 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:03:01,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:01,092 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:03:01,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01 WrapperNode [2023-12-03 01:03:01,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:01,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:01,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:03:01,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:03:01,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,145 INFO L138 Inliner]: procedures = 122, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 186 [2023-12-03 01:03:01,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:01,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:03:01,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:03:01,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:03:01,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:03:01,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:03:01,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:03:01,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:03:01,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:01" (1/1) ... [2023-12-03 01:03:01,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:03:01,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:03:01,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:03:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:03:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:03:01,387 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:03:01,390 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:03:02,019 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:03:02,079 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:03:02,079 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-12-03 01:03:02,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:02 BoogieIcfgContainer [2023-12-03 01:03:02,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:03:02,083 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:03:02,083 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:03:02,090 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:03:02,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:02" (1/1) ... [2023-12-03 01:03:02,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:03:02,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2023-12-03 01:03:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2023-12-03 01:03:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:03:02,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:02,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:02,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:02,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:02,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:03:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:02,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:02,335 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 [2023-12-03 01:03:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:02,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2023-12-03 01:03:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2023-12-03 01:03:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:03:02,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:02,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:02,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:02,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:02,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:03:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:02,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:02,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:02,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:03:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2023-12-03 01:03:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2023-12-03 01:03:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:02,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:02,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:02,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:02,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:02,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:03:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:02,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:02,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:03:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2023-12-03 01:03:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2023-12-03 01:03:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:02,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:02,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:02,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:02,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:02,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:03:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:02,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:02,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:02,917 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:02,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:03:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2023-12-03 01:03:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2023-12-03 01:03:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:03:02,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:02,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:02,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:02,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:02,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:03:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:03,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:03,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:03:03,068 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2023-12-03 01:03:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2023-12-03 01:03:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:03:03,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:03,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:03,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:03,114 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:03,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:03:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:03,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:03,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:03,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2023-12-03 01:03:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2023-12-03 01:03:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:03:03,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:03,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:03,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:03,327 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:03,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:03:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:03,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:03,483 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 [2023-12-03 01:03:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:03,500 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:03,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:03:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2023-12-03 01:03:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2023-12-03 01:03:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:03:03,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:03,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:03,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:03,559 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:03,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:03:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:03,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:03,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:03,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:03,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2023-12-03 01:03:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2023-12-03 01:03:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:03:03,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:03,924 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:03,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:03:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:04,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:04,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:04,057 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:04,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2023-12-03 01:03:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2023-12-03 01:03:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:03:04,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:04,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:04,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:04,107 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:04,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:03:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:04,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:04,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:04,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:03:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2023-12-03 01:03:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2023-12-03 01:03:04,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:03:04,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:04,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:04,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:04,355 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:04,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:03:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:04,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:04,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:04,497 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2023-12-03 01:03:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2023-12-03 01:03:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:03:04,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:04,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:04,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:04,539 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:04,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:03:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:04,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:04,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:04,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:03:04,751 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2023-12-03 01:03:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2023-12-03 01:03:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:03:04,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:04,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:04,803 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:03:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:04,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:05,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:03:05,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:05,121 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-03 01:03:05,121 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 [2023-12-03 01:03:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:05,133 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:05,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:03:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2023-12-03 01:03:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2023-12-03 01:03:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:03:05,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:05,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:05,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:05,220 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:05,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:03:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:05,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:05,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:03:05,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:05,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:05,517 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 [2023-12-03 01:03:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:03:05,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-03 01:03:05,644 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:03:05,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:03:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:05,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:03:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2023-12-03 01:03:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2023-12-03 01:03:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:03:05,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:05,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:05,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:05,904 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:05,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:03:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:06,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:06,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:06,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:06,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:06,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2023-12-03 01:03:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-12-03 01:03:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:03:06,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:06,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:06,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:06,153 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:06,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:03:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:06,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:06,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:06,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:06,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:03:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 192 transitions. [2023-12-03 01:03:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 192 transitions. [2023-12-03 01:03:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:03:06,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:06,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:06,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:06,868 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:06,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:03:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:07,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:07,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:07,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:07,068 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 [2023-12-03 01:03:07,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:03:07,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-03 01:03:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:07,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:03:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2023-12-03 01:03:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2023-12-03 01:03:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:03:08,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:08,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:08,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:08,067 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:08,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:03:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:08,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:08,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:03:08,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:08,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:08,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:03:08,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:03:08,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-03 01:03:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:08,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:03:08,602 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Exception during sending of exit command (exit): Stream closed [2023-12-03 01:03:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 158 states and 198 transitions. [2023-12-03 01:03:10,161 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 198 transitions. [2023-12-03 01:03:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:03:10,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:10,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:10,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:10,162 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:10,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:03:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:10,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:10,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:03:10,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:10,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:03:10,353 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 158 states and 194 transitions. [2023-12-03 01:03:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 194 transitions. [2023-12-03 01:03:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:03:10,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:10,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:10,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:10,361 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:10,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:03:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:10,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:10,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:10,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:10,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:03:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 159 states and 196 transitions. [2023-12-03 01:03:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 196 transitions. [2023-12-03 01:03:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:03:10,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:10,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:10,915 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:10,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:03:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:11,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:11,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:11,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:11,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 160 states and 197 transitions. [2023-12-03 01:03:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2023-12-03 01:03:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:03:11,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:11,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:11,899 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:11,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:03:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:12,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:12,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:12,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:12,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:03:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 166 states and 207 transitions. [2023-12-03 01:03:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 207 transitions. [2023-12-03 01:03:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:03:12,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:12,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:12,483 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:12,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:03:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:12,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:12,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:12,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:12,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:12,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:03:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 172 states and 218 transitions. [2023-12-03 01:03:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2023-12-03 01:03:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:03:13,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:13,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:13,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:13,194 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:13,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:03:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:13,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:13,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:13,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:13,488 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:03:13,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:03:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:13,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:03:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 175 states and 224 transitions. [2023-12-03 01:03:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 224 transitions. [2023-12-03 01:03:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:03:15,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:15,189 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:15,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:03:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:15,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:15,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:03:15,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:15,480 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 [2023-12-03 01:03:15,511 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-03 01:03:15,512 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 19 treesize of output 27 [2023-12-03 01:03:15,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:03:15,990 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:03:15,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2023-12-03 01:03:16,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-03 01:03:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:16,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:03:16,237 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 234 transitions. [2023-12-03 01:03:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2023-12-03 01:03:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:03:20,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:20,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:20,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:20,804 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:20,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:03:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:21,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:21,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:03:21,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:21,142 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:03:21,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:03:21,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:21,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:03:21,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:03:21,746 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:03:21,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-12-03 01:03:21,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-12-03 01:03:21,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-03 01:03:21,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 01:03:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:21,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:03:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 182 states and 239 transitions. [2023-12-03 01:03:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2023-12-03 01:03:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:03:24,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:24,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:24,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:24,928 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:24,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:03:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:25,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:25,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:25,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:25,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:03:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 181 states and 238 transitions. [2023-12-03 01:03:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 238 transitions. [2023-12-03 01:03:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:03:25,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:25,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:25,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:25,252 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:25,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:03:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:25,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:25,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:03:25,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:25,622 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 [2023-12-03 01:03:25,643 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:03:25,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:03:25,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:25,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:03:25,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:03:25,716 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:03:25,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-12-03 01:03:25,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-12-03 01:03:25,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-03 01:03:25,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 01:03:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:25,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:03:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 183 states and 242 transitions. [2023-12-03 01:03:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2023-12-03 01:03:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:03:25,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:25,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:25,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:25,818 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:25,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:03:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:26,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:26,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:26,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:26,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:03:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:26,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2023-12-03 01:03:26,101 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2023-12-03 01:03:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:03:26,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:26,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:26,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:26,102 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:26,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:03:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:26,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:26,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:03:26,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:26,452 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 [2023-12-03 01:03:26,475 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:03:26,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:03:26,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:03:26,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:03:26,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:03:26,545 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:03:26,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-12-03 01:03:26,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-12-03 01:03:26,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-03 01:03:26,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 01:03:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:26,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 183 states and 242 transitions. [2023-12-03 01:03:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2023-12-03 01:03:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:03:26,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:26,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:26,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:26,629 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:26,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:03:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:26,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:26,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:03:26,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:27,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:03:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:27,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:03:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 189 states and 251 transitions. [2023-12-03 01:03:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2023-12-03 01:03:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:03:30,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:30,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:30,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:30,972 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:30,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:03:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:31,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:31,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:31,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:31,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:03:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2023-12-03 01:03:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2023-12-03 01:03:31,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:03:31,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:31,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:31,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:31,330 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:31,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:03:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:31,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:31,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:31,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:32,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2023-12-03 01:03:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2023-12-03 01:03:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:03:33,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:33,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:33,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:33,751 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:33,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:03:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:34,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:34,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:03:34,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:34,166 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-03 01:03:34,166 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 [2023-12-03 01:03:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:34,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:03:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2023-12-03 01:03:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2023-12-03 01:03:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:03:34,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:34,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:34,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:34,214 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:34,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:03:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:34,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:34,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:03:34,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:03:34,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-03 01:03:34,766 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:03:34,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:03:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:35,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:03:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 187 states and 248 transitions. [2023-12-03 01:03:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 248 transitions. [2023-12-03 01:03:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:03:37,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:37,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:37,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:37,235 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:37,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:03:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:37,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:37,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:37,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:37,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:03:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 189 states and 252 transitions. [2023-12-03 01:03:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2023-12-03 01:03:38,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:03:38,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:38,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:38,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:38,001 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:38,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:03:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:38,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:38,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:03:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2023-12-03 01:03:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2023-12-03 01:03:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:03:39,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:39,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:39,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:39,625 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:39,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:03:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:39,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:39,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:03:39,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 190 states and 254 transitions. [2023-12-03 01:03:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 254 transitions. [2023-12-03 01:03:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:03:39,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:39,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:39,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:39,955 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:39,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:03:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:40,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:40,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:40,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:40,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:03:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 189 states and 253 transitions. [2023-12-03 01:03:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 253 transitions. [2023-12-03 01:03:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:03:40,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:40,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:40,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:40,939 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:40,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:03:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:41,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:41,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:41,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:41,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:03:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 196 states and 269 transitions. [2023-12-03 01:03:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 269 transitions. [2023-12-03 01:03:45,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:03:45,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:45,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:45,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:45,358 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:45,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:03:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:45,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:45,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:45,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:46,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:03:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 203 states and 284 transitions. [2023-12-03 01:03:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 284 transitions. [2023-12-03 01:03:56,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:03:56,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:56,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:56,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:56,711 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:56,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:03:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:57,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:57,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:03:57,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:57,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:04:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 206 states and 288 transitions. [2023-12-03 01:04:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 288 transitions. [2023-12-03 01:04:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:04:05,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:05,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:05,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:05,002 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:05,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:04:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:05,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:05,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:04:05,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:05,470 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 [2023-12-03 01:04:05,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:04:05,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-03 01:04:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:06,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:04:08,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 208 states and 291 transitions. [2023-12-03 01:04:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2023-12-03 01:04:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:04:08,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:08,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:08,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:08,375 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:08,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:04:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:08,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:08,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:04:08,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:08,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:04:09,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:04:09,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:04:09,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-03 01:04:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:09,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:04:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 210 states and 294 transitions. [2023-12-03 01:04:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 294 transitions. [2023-12-03 01:04:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:04:13,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:13,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:13,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:13,190 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:13,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:04:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:13,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:13,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:04:13,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:13,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:04:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 211 states and 295 transitions. [2023-12-03 01:04:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 295 transitions. [2023-12-03 01:04:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:04:13,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:13,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:13,654 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:13,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:04:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:13,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:14,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:04:14,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:14,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:04:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:14,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:04:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 217 states and 312 transitions. [2023-12-03 01:04:19,948 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 312 transitions. [2023-12-03 01:04:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:04:19,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:19,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:19,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:19,949 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:19,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:04:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:20,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:20,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:04:20,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:20,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:04:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 216 states and 311 transitions. [2023-12-03 01:04:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2023-12-03 01:04:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:04:20,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:20,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:20,390 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:20,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:04:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:20,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:20,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:04:20,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:21,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:04:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 219 states and 318 transitions. [2023-12-03 01:04:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 318 transitions. [2023-12-03 01:04:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:04:27,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:27,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:27,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:27,722 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:27,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:04:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:28,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:28,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:04:28,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:28,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:04:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 218 states and 314 transitions. [2023-12-03 01:04:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 314 transitions. [2023-12-03 01:04:28,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:04:28,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:28,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:28,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:28,103 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:28,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:04:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:28,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:28,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:04:28,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:28,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:28,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:04:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 222 states and 320 transitions. [2023-12-03 01:04:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 320 transitions. [2023-12-03 01:04:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:04:32,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:32,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:32,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:32,431 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:32,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:04:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:32,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:32,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:04:32,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:32,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-03 01:04:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:33,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:04:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 221 states and 317 transitions. [2023-12-03 01:04:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 317 transitions. [2023-12-03 01:04:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:04:37,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:37,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:37,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:37,672 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:37,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:04:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:38,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:38,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:04:38,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:38,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:04:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 222 states and 319 transitions. [2023-12-03 01:04:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 319 transitions. [2023-12-03 01:04:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:04:39,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:39,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:39,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:39,306 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:39,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:04:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:39,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:39,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:04:39,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:39,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:04:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 223 states and 320 transitions. [2023-12-03 01:04:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 320 transitions. [2023-12-03 01:04:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:04:42,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:42,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:42,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:42,011 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:42,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:04:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:42,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:42,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:04:42,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:42,557 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-03 01:04:42,557 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 19 treesize of output 27 [2023-12-03 01:04:43,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:04:43,532 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:04:43,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2023-12-03 01:04:43,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-03 01:04:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:43,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:04:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 227 states and 329 transitions. [2023-12-03 01:04:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 329 transitions. [2023-12-03 01:04:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:04:49,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:49,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:49,657 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:49,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:04:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:50,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:50,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:04:50,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:50,368 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 [2023-12-03 01:04:50,385 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:04:50,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:04:50,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:04:50,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:04:51,469 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:04:51,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-12-03 01:04:51,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-12-03 01:04:51,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-03 01:04:51,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 01:04:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:51,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:04:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 229 states and 334 transitions. [2023-12-03 01:04:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 334 transitions. [2023-12-03 01:04:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:04:55,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:55,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:04:55,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:04:55,101 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:04:55,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:04:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:55,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:04:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:55,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:04:55,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:56,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:04:56,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:04:57,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-03 01:04:57,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-03 01:04:57,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:57,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2023-12-03 01:04:57,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-03 01:04:58,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-12-03 01:04:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:58,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:05:27,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 242 states and 365 transitions. [2023-12-03 01:05:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 365 transitions. [2023-12-03 01:05:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:05:27,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:27,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:27,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:05:27,217 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:05:27,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:05:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:27,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:05:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:27,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:05:27,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:27,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:05:27,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:05:27,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-03 01:05:27,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-03 01:05:27,825 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:05:27,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2023-12-03 01:05:27,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-03 01:05:28,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-12-03 01:05:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:28,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:05:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 243 states and 370 transitions. [2023-12-03 01:05:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 370 transitions. [2023-12-03 01:05:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:05:30,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:30,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:30,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:05:30,009 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:05:30,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:05:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:30,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:05:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:30,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:05:30,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:30,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:05:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 242 states and 369 transitions. [2023-12-03 01:05:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 369 transitions. [2023-12-03 01:05:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:05:30,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:30,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:30,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:05:30,559 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:05:30,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:05:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:31,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:05:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:31,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:05:31,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:31,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:05:31,418 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:05:31,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:05:31,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:05:31,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:05:31,486 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:05:31,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-12-03 01:05:31,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-12-03 01:05:31,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-03 01:05:31,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-03 01:05:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:31,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 01:05:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 243 states and 371 transitions. [2023-12-03 01:05:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 371 transitions. [2023-12-03 01:05:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:05:31,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:31,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:05:31,626 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:05:31,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:05:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:32,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:05:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:32,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:05:32,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:05:32,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 01:05:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 247 states and 379 transitions. [2023-12-03 01:05:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 379 transitions. [2023-12-03 01:05:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:05:38,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:38,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:38,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:05:38,701 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:05:38,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:05:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:39,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:05:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:39,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:05:39,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:05:39,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:05:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 251 states and 387 transitions. [2023-12-03 01:05:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 387 transitions. [2023-12-03 01:05:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:05:50,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:50,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:50,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:05:50,898 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:05:50,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:05:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:05:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:05:51,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:51,445 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:05:51,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:05:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:05:51,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:06:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 257 states and 405 transitions. [2023-12-03 01:06:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 405 transitions. [2023-12-03 01:06:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:06:15,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:15,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:15,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:15,259 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:15,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:06:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:15,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:15,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:06:15,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:06:15,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:06:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 258 states and 407 transitions. [2023-12-03 01:06:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 407 transitions. [2023-12-03 01:06:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:06:16,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:16,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:16,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:16,927 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:16,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:06:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:17,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:17,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:06:17,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:17,473 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 [2023-12-03 01:06:17,484 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:06:17,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:06:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:06:17,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:06:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 259 states and 409 transitions. [2023-12-03 01:06:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 409 transitions. [2023-12-03 01:06:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:06:20,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:20,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:20,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:20,017 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:20,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:06:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:20,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:20,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:06:20,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:06:20,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:06:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 260 states and 411 transitions. [2023-12-03 01:06:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 411 transitions. [2023-12-03 01:06:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:06:22,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:22,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:22,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:22,483 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:22,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:06:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:23,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:23,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:06:23,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:23,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:06:23,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:06:23,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-03 01:06:23,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-03 01:06:23,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:06:23,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:06:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:24,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 01:06:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 264 states and 415 transitions. [2023-12-03 01:06:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 415 transitions. [2023-12-03 01:06:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:06:37,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:37,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:37,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:37,880 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:37,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:06:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:38,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:38,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:06:38,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:06:38,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:06:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 263 states and 414 transitions. [2023-12-03 01:06:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 414 transitions. [2023-12-03 01:06:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:06:38,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:38,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:38,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:38,433 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:38,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:06:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:38,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:38,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:06:38,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:06:40,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:07:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 272 states and 438 transitions. [2023-12-03 01:07:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 438 transitions. [2023-12-03 01:07:45,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:07:45,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:45,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:45,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:45,765 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:45,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:07:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:46,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:46,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:07:46,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:07:46,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:07:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 271 states and 437 transitions. [2023-12-03 01:07:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 437 transitions. [2023-12-03 01:07:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:07:46,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:46,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:46,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:46,426 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:46,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:07:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:46,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:47,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:07:47,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:07:47,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:07:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 272 states and 440 transitions. [2023-12-03 01:07:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 440 transitions. [2023-12-03 01:07:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:07:56,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:56,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:56,257 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:56,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:07:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:56,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:56,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:07:56,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:56,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:07:57,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 01:07:57,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 273 states and 440 transitions. [2023-12-03 01:07:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 440 transitions. [2023-12-03 01:07:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:07:57,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:57,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:57,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:57,071 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:57,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:07:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:57,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:57,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:07:57,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:07:57,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:08:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 274 states and 442 transitions. [2023-12-03 01:08:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 442 transitions. [2023-12-03 01:08:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:08:02,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:02,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:02,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:02,572 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:02,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:08:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:03,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:03,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:08:03,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:03,314 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 [2023-12-03 01:08:03,333 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-03 01:08:03,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-03 01:08:05,068 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2023-12-03 01:08:05,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2023-12-03 01:08:06,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:08:07,992 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-03 01:08:07,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2023-12-03 01:08:08,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 01:08:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:08:08,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-03 01:08:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 289 states and 470 transitions. [2023-12-03 01:08:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 470 transitions. [2023-12-03 01:08:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:08:56,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:56,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:56,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:56,231 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:56,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:08:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:56,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:56,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:08:56,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:08:56,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 01:09:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 299 states and 496 transitions. [2023-12-03 01:09:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 496 transitions. [2023-12-03 01:09:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:09:37,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:37,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:37,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:37,582 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 01:09:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:09:38,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:38,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:09:38,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 01:09:41,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 302 states and 499 transitions. [2023-12-03 01:09:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 499 transitions. [2023-12-03 01:09:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:09:41,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:41,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:41,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:41,500 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:41,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 01:09:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:41,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:42,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:09:42,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:09:42,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 01:09:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 303 states and 501 transitions. [2023-12-03 01:09:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 501 transitions. [2023-12-03 01:09:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:09:44,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:44,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:44,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:44,347 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:44,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 01:09:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:44,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:44,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:09:44,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:09:46,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 01:10:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 322 states and 541 transitions. [2023-12-03 01:10:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 541 transitions. [2023-12-03 01:10:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:10:39,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:39,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:39,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:39,747 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:39,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 01:10:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:40,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:40,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:40,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:40,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 01:10:43,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 326 states and 545 transitions. [2023-12-03 01:10:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 545 transitions. [2023-12-03 01:10:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:10:43,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:43,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:43,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:43,236 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:43,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 01:10:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:43,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:43,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:43,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:10:43,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 01:10:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 327 states and 547 transitions. [2023-12-03 01:10:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 547 transitions. [2023-12-03 01:10:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:10:46,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:46,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:46,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:46,015 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:46,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 01:10:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:46,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:46,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:10:46,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:47,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:10:47,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-03 01:10:47,126 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:10:47,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 01:10:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:47,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 01:11:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 331 states and 562 transitions. [2023-12-03 01:11:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 562 transitions. [2023-12-03 01:11:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:11:08,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:08,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:08,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:08,425 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:08,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 01:11:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:08,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:09,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:11:09,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:09,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 01:11:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 330 states and 561 transitions. [2023-12-03 01:11:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 561 transitions. [2023-12-03 01:11:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:11:14,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:14,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:14,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:14,978 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:14,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 01:11:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:15,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:15,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:11:15,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:15,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 01:11:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 329 states and 560 transitions. [2023-12-03 01:11:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 560 transitions. [2023-12-03 01:11:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:11:15,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:15,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:15,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:15,806 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:15,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 01:11:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:16,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:16,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:11:16,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:16,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-03 01:11:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:18,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 01:11:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 337 states and 583 transitions. [2023-12-03 01:11:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 583 transitions. [2023-12-03 01:11:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:11:55,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:55,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:55,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:55,087 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:55,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 01:11:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:55,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:55,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:11:55,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:55,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-03 01:11:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:11:55,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 01:12:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 338 states and 586 transitions. [2023-12-03 01:12:01,246 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 586 transitions. [2023-12-03 01:12:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:12:01,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:01,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:01,247 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:01,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 01:12:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:01,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:01,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:12:01,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:01,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-03 01:12:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:12:02,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 01:12:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 339 states and 588 transitions. [2023-12-03 01:12:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 588 transitions. [2023-12-03 01:12:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:12:05,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:05,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:05,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:05,159 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:05,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 01:12:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:05,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:05,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:12:05,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:05,878 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 [2023-12-03 01:12:05,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:12:05,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-03 01:12:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:12:05,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 01:12:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 339 states and 587 transitions. [2023-12-03 01:12:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 587 transitions. [2023-12-03 01:12:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:12:10,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:10,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:10,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:10,246 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:10,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 01:12:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:10,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:10,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:12:10,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:10,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:12:10,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:12:10,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:12:10,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-03 01:12:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:12:11,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 01:12:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 339 states and 586 transitions. [2023-12-03 01:12:15,622 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 586 transitions. [2023-12-03 01:12:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:12:15,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:15,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:15,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:15,623 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:15,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 01:12:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:16,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:16,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:12:16,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:16,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:12:16,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 01:12:16,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-03 01:12:16,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-12-03 01:12:16,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:12:16,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:12:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:12:16,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 01:12:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 339 states and 585 transitions. [2023-12-03 01:12:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 585 transitions. [2023-12-03 01:12:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:12:16,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:16,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:16,694 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:16,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 01:12:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:12:17,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:17,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-03 01:12:21,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:12:21,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:12:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:12:23,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 01:13:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:21,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 352 states and 619 transitions. [2023-12-03 01:13:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 619 transitions. [2023-12-03 01:13:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:13:21,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:21,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:21,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:21,410 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 01:13:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:13:22,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:13:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:13:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:13:23,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:13:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:13:25,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 01:13:25,270 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 90 iterations. [2023-12-03 01:13:25,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-12-03 01:13:25,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-03 01:13:25,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-12-03 01:13:25,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:13:25 ImpRootNode [2023-12-03 01:13:25,295 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:13:25,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:13:25,295 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:13:25,295 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:13:25,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:02" (3/4) ... [2023-12-03 01:13:25,297 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:13:25,298 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:13:25,298 INFO L158 Benchmark]: Toolchain (without parser) took 624643.58ms. Allocated memory was 81.8MB in the beginning and 251.7MB in the end (delta: 169.9MB). Free memory was 56.2MB in the beginning and 91.0MB in the end (delta: -34.9MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. [2023-12-03 01:13:25,299 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:13:25,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.43ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 55.5MB in the end (delta: 560.2kB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-12-03 01:13:25,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.08ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:13:25,299 INFO L158 Benchmark]: Boogie Preprocessor took 40.33ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 50.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:13:25,299 INFO L158 Benchmark]: RCFGBuilder took 894.26ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.7MB in the beginning and 69.6MB in the end (delta: -18.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-12-03 01:13:25,300 INFO L158 Benchmark]: CodeCheck took 623212.37ms. Allocated memory was 98.6MB in the beginning and 251.7MB in the end (delta: 153.1MB). Free memory was 69.6MB in the beginning and 91.6MB in the end (delta: -22.0MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. [2023-12-03 01:13:25,300 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 251.7MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:13:25,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 623.2s, OverallIterations: 90, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21302 SdHoareTripleChecker+Valid, 230.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15756 mSDsluCounter, 15660 SdHoareTripleChecker+Invalid, 204.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12711 mSDsCounter, 13640 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54002 IncrementalHoareTripleChecker+Invalid, 67642 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13640 mSolverCounterUnsat, 2949 mSDtfsCounter, 54002 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13665 GetRequests, 12639 SyntacticMatches, 190 SemanticMatches, 836 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326408 ImplicationChecksByTransitivity, 568.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.7s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 34.7s InterpolantComputationTime, 1626 NumberOfCodeBlocks, 1626 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 1508 ConstructedInterpolants, 2 QuantifiedInterpolants, 8735 SizeOfPredicates, 97 NumberOfNonLiveVariables, 13187 ConjunctsInSsa, 468 ConjunctsInUnsatCore, 89 InterpolantComputations, 86 PerfectInterpolantSequences, 39/43 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={268435457:0}] [L1000] null->prev = ((void*)0) VAL [null={268435457:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={-268435522:0}, null={268435457:0}] [L1005] list->prev = null VAL [list={-268435522:0}, null={268435457:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={-268435522:0}, list={-268435522:0}, null={268435457:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={-268435522:0}, list={-268435522:0}, null={268435457:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={-268435522:0}, list={-268435522:0}, null={268435457:0}] [L1042] EXPR end->colour VAL [end={-268435522:0}, list={-268435522:0}, null={268435457:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end VAL [end={-268435522:0}, list={-268435522:0}, null={268435457:0}] [L1045] EXPR end->colour VAL [end={-268435522:0}, list={-268435522:0}, null={268435457:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [end={268435457:0}, list={-268435522:0}, null={268435457:0}] [L1056] COND TRUE null != list VAL [end={268435457:0}, list={-268435522:0}, null={268435457:0}] [L1058] EXPR list->colour VAL [end={268435457:0}, list={-268435522:0}, null={268435457:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={268435457:0}, list={-268435522:0}, null={268435457:0}] [L1068] free(list) VAL [end={268435457:0}, list={-268435522:0}, null={268435457:0}] [L1068] free(list) [L1069] list = end VAL [end={268435457:0}, list={268435457:0}, null={268435457:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0, end={268435457:0}, list={268435457:0}, null={268435457:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.43ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 55.5MB in the end (delta: 560.2kB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.08ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.33ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 50.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 894.26ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.7MB in the beginning and 69.6MB in the end (delta: -18.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * CodeCheck took 623212.37ms. Allocated memory was 98.6MB in the beginning and 251.7MB in the end (delta: 153.1MB). Free memory was 69.6MB in the beginning and 91.6MB in the end (delta: -22.0MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 251.7MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:13:25,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecf9df2-870b-4c45-8a42-5b64b0825761/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample