./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/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_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:05:00,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:05:00,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-03 04:05:00,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:05:00,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:05:00,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:05:00,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:05:00,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:05:00,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:05:00,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:05:00,821 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:05:00,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:05:00,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:05:00,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:05:00,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:05:00,823 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:05:00,824 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:05:00,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:05:00,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:05:00,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:05:00,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:05:00,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:05:00,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:05:00,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:05:00,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:05:00,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:05:00,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:05:00,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:05:00,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:05:00,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:05:00,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:05:00,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:05:00,840 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_43a40699-e709-440b-9886-12dacdf340fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2023-12-03 04:05:01,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:05:01,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:05:01,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:05:01,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:05:01,094 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:05:01,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-12-03 04:05:03,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:05:04,200 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:05:04,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-12-03 04:05:04,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data/9ae7b44d9/8599c42c453b4d02b5dd2cfcca8e2c40/FLAGb64775487 [2023-12-03 04:05:04,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data/9ae7b44d9/8599c42c453b4d02b5dd2cfcca8e2c40 [2023-12-03 04:05:04,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:05:04,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:05:04,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:05:04,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:05:04,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:05:04,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:04,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62743f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04, skipping insertion in model container [2023-12-03 04:05:04,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:04,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:05:04,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:05:04,754 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:05:04,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:05:04,873 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:05:04,880 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:05:04,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04 WrapperNode [2023-12-03 04:05:04,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:05:04,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:05:04,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:05:04,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:05:04,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:04,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:04,987 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1255 [2023-12-03 04:05:04,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:05:04,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:05:04,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:05:04,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:05:04,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:04,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:05:05,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:05:05,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:05:05,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:05:05,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:04" (1/1) ... [2023-12-03 04:05:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:05:05,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:05:05,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:05:05,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:05:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:05:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 04:05:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:05:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:05:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:05:05,411 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:05:05,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:05:08,285 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:05:09,681 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:05:09,682 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-03 04:05:09,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:05:09 BoogieIcfgContainer [2023-12-03 04:05:09,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:05:09,685 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:05:09,685 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:05:09,695 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:05:09,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:05:09" (1/1) ... [2023-12-03 04:05:09,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:05:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-12-03 04:05:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-12-03 04:05:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:05:09,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:09,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:09,921 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 04:05:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-12-03 04:05:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-12-03 04:05:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:05:09,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:09,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:10,087 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 04:05:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2023-12-03 04:05:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-12-03 04:05:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:05:10,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:10,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:10,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:05:10,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-12-03 04:05:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-12-03 04:05:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:05:10,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:10,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:05:10,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2023-12-03 04:05:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-12-03 04:05:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:05:10,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:10,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:10,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:05:10,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 135 states and 208 transitions. [2023-12-03 04:05:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2023-12-03 04:05:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:05:10,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:10,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:05:10,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:20,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2023-12-03 04:05:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2023-12-03 04:05:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:05:20,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:20,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:21,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:21,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:21,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:31,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:41,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:51,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:01,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 148 states and 217 transitions. [2023-12-03 04:06:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2023-12-03 04:06:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:06:01,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:01,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:01,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:01,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:01,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 148 states and 215 transitions. [2023-12-03 04:06:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2023-12-03 04:06:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 04:06:01,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:01,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:01,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:01,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-12-03 04:06:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-12-03 04:06:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:06:01,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:01,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:02,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:02,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:02,106 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 04:06:12,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2023-12-03 04:06:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2023-12-03 04:06:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 04:06:12,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:12,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:06:12,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:06:22,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:32,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:42,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:52,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-03 04:06:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-03 04:06:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 04:06:52,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:52,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:06:52,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:52,991 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 04:06:53,013 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 04:06:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:06:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 153 states and 216 transitions. [2023-12-03 04:06:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 216 transitions. [2023-12-03 04:06:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:06:53,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:53,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:53,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:53,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:06:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 152 states and 211 transitions. [2023-12-03 04:06:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 211 transitions. [2023-12-03 04:06:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:06:53,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:53,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:53,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:53,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:06:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 152 states and 207 transitions. [2023-12-03 04:06:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 207 transitions. [2023-12-03 04:06:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:06:53,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:53,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:54,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:54,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:06:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 152 states and 205 transitions. [2023-12-03 04:06:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 205 transitions. [2023-12-03 04:06:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:06:54,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:54,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:54,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:54,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:07:04,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 152 states and 203 transitions. [2023-12-03 04:07:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 203 transitions. [2023-12-03 04:07:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 04:07:04,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:04,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:04,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:07:04,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:07:15,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:25,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:35,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:45,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:46,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:57,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:07,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:17,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:27,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 196 states and 260 transitions. [2023-12-03 04:08:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2023-12-03 04:08:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:08:27,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:27,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:27,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:08:27,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:08:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 196 states and 256 transitions. [2023-12-03 04:08:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2023-12-03 04:08:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:08:27,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:27,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:27,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:08:27,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:27,937 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 04:08:37,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 196 states and 254 transitions. [2023-12-03 04:08:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 254 transitions. [2023-12-03 04:08:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:08:38,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:38,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:38,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:08:38,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:08:48,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:58,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:08,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:18,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 181 states and 235 transitions. [2023-12-03 04:09:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 235 transitions. [2023-12-03 04:09:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:09:18,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:09:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:18,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:18,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:09:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:18,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 181 states and 233 transitions. [2023-12-03 04:09:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 233 transitions. [2023-12-03 04:09:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:09:18,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:18,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:09:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:19,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:09:19,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:09:29,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:39,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:49,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:59,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 184 states and 235 transitions. [2023-12-03 04:09:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 235 transitions. [2023-12-03 04:09:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 04:09:59,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:59,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:09:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:59,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:59,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:09:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 184 states and 234 transitions. [2023-12-03 04:09:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2023-12-03 04:09:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 04:09:59,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:00,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:10:00,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 192 states and 244 transitions. [2023-12-03 04:10:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 244 transitions. [2023-12-03 04:10:00,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 04:10:00,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:00,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:10:10,909 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:10:10,913 INFO L158 Benchmark]: Toolchain (without parser) took 306672.60ms. Allocated memory was 140.5MB in the beginning and 249.6MB in the end (delta: 109.1MB). Free memory was 99.1MB in the beginning and 75.3MB in the end (delta: 23.8MB). Peak memory consumption was 135.6MB. Max. memory is 16.1GB. [2023-12-03 04:10:10,913 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:10:10,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.74ms. Allocated memory is still 140.5MB. Free memory was 99.1MB in the beginning and 64.8MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 04:10:10,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.50ms. Allocated memory is still 140.5MB. Free memory was 64.8MB in the beginning and 56.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:10:10,914 INFO L158 Benchmark]: Boogie Preprocessor took 114.61ms. Allocated memory is still 140.5MB. Free memory was 56.4MB in the beginning and 48.5MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:10:10,915 INFO L158 Benchmark]: RCFGBuilder took 4579.90ms. Allocated memory was 140.5MB in the beginning and 249.6MB in the end (delta: 109.1MB). Free memory was 48.0MB in the beginning and 158.2MB in the end (delta: -110.2MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-12-03 04:10:10,915 INFO L158 Benchmark]: CodeCheck took 301227.15ms. Allocated memory is still 249.6MB. Free memory was 158.2MB in the beginning and 75.3MB in the end (delta: 82.9MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2023-12-03 04:10:10,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.74ms. Allocated memory is still 140.5MB. Free memory was 99.1MB in the beginning and 64.8MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.50ms. Allocated memory is still 140.5MB. Free memory was 64.8MB in the beginning and 56.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.61ms. Allocated memory is still 140.5MB. Free memory was 56.4MB in the beginning and 48.5MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4579.90ms. Allocated memory was 140.5MB in the beginning and 249.6MB in the end (delta: 109.1MB). Free memory was 48.0MB in the beginning and 158.2MB in the end (delta: -110.2MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * CodeCheck took 301227.15ms. Allocated memory is still 249.6MB. Free memory was 158.2MB in the beginning and 75.3MB in the end (delta: 82.9MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:10:11,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/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_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:10:12,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:10:13,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-03 04:10:13,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:10:13,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:10:13,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:10:13,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:10:13,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:10:13,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:10:13,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:10:13,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:10:13,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:10:13,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:10:13,064 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:10:13,065 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:10:13,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:10:13,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:10:13,067 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:10:13,067 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:10:13,068 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:10:13,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:10:13,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:10:13,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:10:13,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:10:13,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:10:13,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:10:13,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:10:13,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:13,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:10:13,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:10:13,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:10:13,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:10:13,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:10:13,075 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:10:13,075 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:13,075 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:10:13,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:10:13,076 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_43a40699-e709-440b-9886-12dacdf340fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2023-12-03 04:10:13,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:10:13,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:10:13,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:10:13,444 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:10:13,444 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:10:13,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-12-03 04:10:16,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:10:16,710 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:10:16,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-12-03 04:10:16,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data/7e110e3b8/a850dfe117d24b6c8e01eb4e6cf0ce24/FLAG7371b3a9c [2023-12-03 04:10:16,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/data/7e110e3b8/a850dfe117d24b6c8e01eb4e6cf0ce24 [2023-12-03 04:10:16,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:10:16,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:10:16,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:10:16,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:10:16,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:10:16,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:10:16" (1/1) ... [2023-12-03 04:10:16,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298f8d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:16, skipping insertion in model container [2023-12-03 04:10:16,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:10:16" (1/1) ... [2023-12-03 04:10:16,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:10:17,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:10:17,393 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:10:17,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:10:17,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:10:17,492 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:10:17,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:10:17,631 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:10:17,637 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:10:17,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17 WrapperNode [2023-12-03 04:10:17,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:10:17,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:10:17,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:10:17,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:10:17,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,733 INFO L138 Inliner]: procedures = 211, calls = 237, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 935 [2023-12-03 04:10:17,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:10:17,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:10:17,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:10:17,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:10:17,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:10:17,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:10:17,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:10:17,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:10:17,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:17" (1/1) ... [2023-12-03 04:10:17,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:10:17,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:10:17,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:10:17,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:10:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:10:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:10:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:10:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:10:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:10:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:10:18,123 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:10:18,126 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:10:32,183 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:10:32,525 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:10:32,525 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-03 04:10:32,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:32 BoogieIcfgContainer [2023-12-03 04:10:32,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:10:32,527 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:10:32,527 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:10:32,535 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:10:32,535 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:32" (1/1) ... [2023-12-03 04:10:32,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:10:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-12-03 04:10:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-12-03 04:10:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:10:32,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:32,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:32,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:32,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:32,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:10:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:32,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:32,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:32,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:32,982 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 04:10:32,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:10:33,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:33,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-12-03 04:10:33,017 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-12-03 04:10:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:10:33,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:33,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:33,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:33,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:33,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:10:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:33,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:33,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:10:33,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:33,392 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:10:33,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:10:33,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:10:33,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 04:10:33,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:10:33,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 04:10:33,499 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 04:10:33,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:10:33,502 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:10:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2023-12-03 04:10:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-12-03 04:10:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:10:33,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:33,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:33,839 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:33,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:10:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:34,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:34,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:34,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:34,252 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:10:34,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 04:10:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-12-03 04:10:34,262 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-12-03 04:10:34,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:10:34,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:34,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:34,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:34,267 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:34,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:10:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:34,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:34,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:34,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:34,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 04:10:34,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2023-12-03 04:10:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-12-03 04:10:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:10:34,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:34,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:34,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:34,641 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:34,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:10:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:34,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:35,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:35,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:35,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:10:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 135 states and 208 transitions. [2023-12-03 04:10:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2023-12-03 04:10:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:10:35,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:35,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:35,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:35,062 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:35,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:10:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:35,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:35,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:35,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:35,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:10:35,560 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:10:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 135 states and 200 transitions. [2023-12-03 04:10:36,418 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 200 transitions. [2023-12-03 04:10:36,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:10:36,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:36,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:36,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:36,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:36,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:10:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:36,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:37,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:37,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:37,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:10:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 148 states and 215 transitions. [2023-12-03 04:10:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2023-12-03 04:10:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 04:10:38,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:38,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:38,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:38,114 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:38,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:10:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:38,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:38,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:38,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:38,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:38,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:10:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-12-03 04:10:38,731 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-12-03 04:10:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:10:38,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:38,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:38,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:38,733 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:38,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:10:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:39,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:39,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:39,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:39,543 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 04:10:39,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:10:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2023-12-03 04:10:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2023-12-03 04:10:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 04:10:39,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:39,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:39,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:39,560 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:39,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:10:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:40,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:40,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:40,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:10:40,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:10:40,478 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:10:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-03 04:10:40,500 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-03 04:10:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 04:10:40,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:40,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:40,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:40,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:40,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:10:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:41,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:41,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:41,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:41,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:10:51,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:10:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 152 states and 214 transitions. [2023-12-03 04:10:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2023-12-03 04:10:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:10:51,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:51,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:51,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:51,535 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:51,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:10:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:52,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:52,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:52,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:10:52,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:11:02,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:02,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 153 states and 215 transitions. [2023-12-03 04:11:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 215 transitions. [2023-12-03 04:11:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:11:02,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:02,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:02,624 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:02,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:11:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:03,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:03,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:11:03,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:03,795 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:11:03,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:11:03,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:11:03,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 04:11:03,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:11:03,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 04:11:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:11:03,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:11:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 155 states and 218 transitions. [2023-12-03 04:11:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 218 transitions. [2023-12-03 04:11:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:11:04,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:04,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:04,017 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:04,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:11:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:04,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:04,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:11:04,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:11:04,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:11:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 154 states and 213 transitions. [2023-12-03 04:11:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 213 transitions. [2023-12-03 04:11:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:11:04,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:04,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:04,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:04,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:04,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:11:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:05,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:05,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:11:05,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:11:05,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:11:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 154 states and 209 transitions. [2023-12-03 04:11:05,970 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 209 transitions. [2023-12-03 04:11:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 04:11:05,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:05,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:05,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:05,972 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:05,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:11:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:06,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:06,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:11:06,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:11:06,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:11:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 154 states and 207 transitions. [2023-12-03 04:11:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2023-12-03 04:11:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:11:07,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:07,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:07,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:07,007 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:11:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:07,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:08,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:11:08,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:11:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:11:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:08,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 154 states and 205 transitions. [2023-12-03 04:11:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 205 transitions. [2023-12-03 04:11:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:11:08,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:08,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:08,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:08,222 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:08,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:11:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:09,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:09,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:09,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:11:09,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:11:21,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:31,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:41,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:51,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:55,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:57,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:12:00,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 200 states and 264 transitions. [2023-12-03 04:12:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 264 transitions. [2023-12-03 04:12:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:12:00,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:00,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:00,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:00,398 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:00,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:12:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:01,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:01,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:12:01,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:12:01,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:12:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 200 states and 262 transitions. [2023-12-03 04:12:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2023-12-03 04:12:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:12:01,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:01,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:01,779 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:01,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:12:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:02,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:03,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:12:03,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:12:03,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:12:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 200 states and 258 transitions. [2023-12-03 04:12:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 258 transitions. [2023-12-03 04:12:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:12:03,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:03,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:03,189 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:03,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:12:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:04,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:04,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:12:04,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:12:04,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:12:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 203 states and 260 transitions. [2023-12-03 04:12:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 260 transitions. [2023-12-03 04:12:04,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:12:04,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:04,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:04,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:04,803 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:04,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:12:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:05,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:06,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:12:06,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:12:06,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:12:16,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:12:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 203 states and 258 transitions. [2023-12-03 04:12:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 258 transitions. [2023-12-03 04:12:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:12:16,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:16,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:16,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:16,332 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:16,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:12:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:17,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:17,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:12:17,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:12:17,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 04:12:18,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 186 states and 237 transitions. [2023-12-03 04:12:18,021 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2023-12-03 04:12:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:12:18,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:18,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:18,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:18,023 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:18,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:12:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:19,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:19,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:12:19,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:19,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:12:19,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:12:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 186 states and 236 transitions. [2023-12-03 04:12:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 236 transitions. [2023-12-03 04:12:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 04:12:20,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:20,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:20,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:20,108 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:20,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:12:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:21,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:22,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:12:22,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:12:22,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:12:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 187 states and 234 transitions. [2023-12-03 04:12:23,164 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 234 transitions. [2023-12-03 04:12:23,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 04:12:23,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:23,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:23,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:23,165 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:23,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:12:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:24,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:24,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:12:24,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:12:25,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 04:12:35,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:12:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 188 states and 235 transitions. [2023-12-03 04:12:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 235 transitions. [2023-12-03 04:12:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:12:35,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:35,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:35,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:35,965 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:35,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:12:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:37,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:37,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 04:12:37,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:12:37,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:12:48,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:12:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 189 states and 236 transitions. [2023-12-03 04:12:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 236 transitions. [2023-12-03 04:12:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 04:12:48,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:48,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:48,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:48,884 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:48,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:12:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:50,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:50,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:12:50,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:12:51,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:13:01,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:01,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 190 states and 237 transitions. [2023-12-03 04:13:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 237 transitions. [2023-12-03 04:13:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:13:01,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:01,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:01,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:01,999 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:02,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:13:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:03,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:03,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 04:13:03,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:13:04,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:13:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 191 states and 238 transitions. [2023-12-03 04:13:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 238 transitions. [2023-12-03 04:13:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:13:05,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:05,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:05,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:05,026 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:05,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:13:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:06,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:07,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:13:07,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:13:07,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:13:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 192 states and 239 transitions. [2023-12-03 04:13:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 239 transitions. [2023-12-03 04:13:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 04:13:08,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:08,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:08,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:08,304 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:08,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:13:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:10,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:10,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 04:13:10,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:13:10,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:13:20,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:20,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 193 states and 240 transitions. [2023-12-03 04:13:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 240 transitions. [2023-12-03 04:13:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:13:20,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:20,425 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:20,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:13:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:22,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:22,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:13:22,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:13:22,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:13:33,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 194 states and 241 transitions. [2023-12-03 04:13:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 241 transitions. [2023-12-03 04:13:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:13:33,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:33,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:33,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:33,955 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:33,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:13:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:35,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:36,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 04:13:36,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 04:13:36,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:13:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 195 states and 242 transitions. [2023-12-03 04:13:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 242 transitions. [2023-12-03 04:13:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:13:37,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:37,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:37,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:37,611 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:37,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:13:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:39,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:39,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:13:39,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 04:13:40,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:13:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 196 states and 243 transitions. [2023-12-03 04:13:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 243 transitions. [2023-12-03 04:13:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 04:13:41,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:41,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:41,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:41,402 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:41,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:13:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:43,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:43,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:13:43,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 04:13:44,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:13:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 197 states and 244 transitions. [2023-12-03 04:13:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 244 transitions. [2023-12-03 04:13:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:13:55,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:55,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:55,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:55,536 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:55,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:13:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:57,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:57,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:13:57,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 04:13:58,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:14:09,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 198 states and 245 transitions. [2023-12-03 04:14:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 245 transitions. [2023-12-03 04:14:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 04:14:09,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:09,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:09,547 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:09,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:14:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:11,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:11,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:14:11,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 04:14:12,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 04:14:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 199 states and 246 transitions. [2023-12-03 04:14:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 246 transitions. [2023-12-03 04:14:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 04:14:13,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:13,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:13,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:13,614 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:13,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:14:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:16,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:16,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:14:16,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 04:14:16,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:14:18,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 200 states and 247 transitions. [2023-12-03 04:14:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 247 transitions. [2023-12-03 04:14:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 04:14:18,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:18,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:18,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:18,497 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:18,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:14:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:20,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:20,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 04:14:20,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 04:14:21,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:14:32,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 201 states and 248 transitions. [2023-12-03 04:14:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 248 transitions. [2023-12-03 04:14:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 04:14:32,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:32,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:32,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:32,657 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:32,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:14:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:34,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:35,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 04:14:35,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 04:14:35,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:14:40,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:40,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 202 states and 249 transitions. [2023-12-03 04:14:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2023-12-03 04:14:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:14:40,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:40,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:40,581 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:40,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:14:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:42,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:42,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 04:14:42,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 04:14:43,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:14:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 203 states and 250 transitions. [2023-12-03 04:14:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2023-12-03 04:14:45,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:14:45,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:45,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:45,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:45,101 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:45,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:14:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:47,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:47,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 04:14:47,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 04:14:48,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:14:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 204 states and 251 transitions. [2023-12-03 04:14:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2023-12-03 04:14:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:14:50,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:50,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:50,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:50,096 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:50,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:14:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:52,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:52,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:14:52,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 04:14:53,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:15:01,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:15:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 205 states and 252 transitions. [2023-12-03 04:15:01,999 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2023-12-03 04:15:02,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:15:02,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:02,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:02,001 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:02,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:15:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:04,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:04,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:15:04,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 04:15:05,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 04:15:17,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:15:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 206 states and 253 transitions. [2023-12-03 04:15:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2023-12-03 04:15:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:15:17,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:17,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:17,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:17,164 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:17,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:15:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:19,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:20,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:15:20,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 04:15:20,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:15:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 207 states and 254 transitions. [2023-12-03 04:15:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2023-12-03 04:15:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 04:15:22,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:22,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:22,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:22,496 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:22,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:15:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:25,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:25,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:15:25,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 04:15:25,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:15:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 208 states and 255 transitions. [2023-12-03 04:15:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 255 transitions. [2023-12-03 04:15:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 04:15:28,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:28,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:28,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:28,026 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:28,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:15:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:30,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:30,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 04:15:30,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 04:15:31,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:15:43,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:15:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 209 states and 256 transitions. [2023-12-03 04:15:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 256 transitions. [2023-12-03 04:15:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 04:15:43,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:43,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:43,503 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:43,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:15:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:46,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:46,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 04:15:46,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 04:15:47,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:15:59,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:15:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 210 states and 257 transitions. [2023-12-03 04:15:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 257 transitions. [2023-12-03 04:15:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 04:15:59,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:59,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:59,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:59,270 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:59,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:16:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:02,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:02,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 04:16:02,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:16:02,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:16:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 211 states and 258 transitions. [2023-12-03 04:16:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 258 transitions. [2023-12-03 04:16:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 04:16:05,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:05,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:05,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:05,220 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:05,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:16:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:08,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:08,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 04:16:08,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:16:09,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:16:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 212 states and 259 transitions. [2023-12-03 04:16:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2023-12-03 04:16:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 04:16:11,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:11,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:11,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:11,387 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:11,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:16:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:14,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:14,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 04:16:14,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:16:15,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:16:25,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:16:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 213 states and 260 transitions. [2023-12-03 04:16:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 260 transitions. [2023-12-03 04:16:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 04:16:25,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:25,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:25,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:25,691 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:25,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:16:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:28,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:29,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 04:16:29,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:16:29,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:16:42,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:16:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 214 states and 261 transitions. [2023-12-03 04:16:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 261 transitions. [2023-12-03 04:16:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 04:16:42,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:42,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:42,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:42,337 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:42,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:16:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:45,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:45,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 04:16:45,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:16:46,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:16:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 215 states and 262 transitions. [2023-12-03 04:16:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 262 transitions. [2023-12-03 04:16:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 04:16:48,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:48,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:48,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:48,733 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:48,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:16:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:51,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:52,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 04:16:52,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:16:52,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:16:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:55,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 216 states and 263 transitions. [2023-12-03 04:16:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 263 transitions. [2023-12-03 04:16:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 04:16:55,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:55,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:55,516 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:55,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:16:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:58,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:59,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 04:16:59,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:16:59,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:17:12,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 217 states and 264 transitions. [2023-12-03 04:17:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 264 transitions. [2023-12-03 04:17:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 04:17:12,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:12,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:12,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:12,403 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:12,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:17:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:15,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:16,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 04:17:16,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:17:16,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:17:29,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 218 states and 265 transitions. [2023-12-03 04:17:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 265 transitions. [2023-12-03 04:17:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 04:17:29,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:29,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:29,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:29,631 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:29,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:17:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:33,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:33,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 04:17:33,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-03 04:17:34,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:17:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 219 states and 266 transitions. [2023-12-03 04:17:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 266 transitions. [2023-12-03 04:17:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 04:17:37,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:37,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:37,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:37,008 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:37,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:17:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:40,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:40,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 04:17:40,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-03 04:17:41,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:17:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 220 states and 267 transitions. [2023-12-03 04:17:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 267 transitions. [2023-12-03 04:17:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:17:44,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:44,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:44,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:44,630 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:44,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:17:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:48,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:48,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 04:17:48,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-03 04:17:49,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:18:02,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 221 states and 268 transitions. [2023-12-03 04:18:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 268 transitions. [2023-12-03 04:18:02,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 04:18:02,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:02,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:02,364 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:02,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:18:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:05,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:06,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 04:18:06,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-03 04:18:06,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-03 04:18:20,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 222 states and 269 transitions. [2023-12-03 04:18:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 269 transitions. [2023-12-03 04:18:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 04:18:20,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:20,256 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:20,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:18:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:23,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:24,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 04:18:24,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 04:18:25,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 04:18:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 223 states and 270 transitions. [2023-12-03 04:18:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 270 transitions. [2023-12-03 04:18:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 04:18:28,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:28,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:28,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:28,339 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:28,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:18:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:31,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:32,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 04:18:32,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 04:18:33,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:18:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 224 states and 271 transitions. [2023-12-03 04:18:36,757 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 271 transitions. [2023-12-03 04:18:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 04:18:36,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:36,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:36,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:36,758 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:36,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:18:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:40,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:41,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 04:18:41,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 04:18:41,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:18:55,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 225 states and 272 transitions. [2023-12-03 04:18:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 272 transitions. [2023-12-03 04:18:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 04:18:55,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:55,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:55,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:55,445 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:55,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:18:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:59,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:59,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 04:18:59,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 04:19:00,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 04:19:14,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 226 states and 273 transitions. [2023-12-03 04:19:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 273 transitions. [2023-12-03 04:19:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 04:19:14,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:14,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:14,537 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:14,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:19:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:18,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:19:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:19,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 04:19:19,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-12-03 04:19:20,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a40699-e709-440b-9886-12dacdf340fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0