./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/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_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:42:24,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:42:24,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:42:24,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:42:24,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:42:24,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:42:24,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:42:24,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:42:24,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:42:24,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:42:24,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:42:24,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:42:24,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:42:24,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:42:24,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:42:24,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:42:24,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:42:24,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:42:24,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:42:24,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:42:24,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:42:24,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:42:24,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:42:24,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:42:24,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:42:24,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:42:24,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:42:24,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:42:24,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:42:24,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:42:24,349 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:42:24,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:42:24,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:42:24,361 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_b419e0e6-6a1c-4b66-b02f-c777e2df95db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 [2023-12-03 00:42:24,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:42:24,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:42:24,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:42:24,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:42:24,574 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:42:24,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-03 00:42:27,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:42:27,567 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:42:27,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-03 00:42:27,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data/1ad83c836/ba6029ebba164c76ae82818e9b79a87e/FLAG4ada43931 [2023-12-03 00:42:27,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data/1ad83c836/ba6029ebba164c76ae82818e9b79a87e [2023-12-03 00:42:27,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:42:27,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:42:27,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:42:27,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:42:27,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:42:27,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:42:27" (1/1) ... [2023-12-03 00:42:27,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a28654b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:27, skipping insertion in model container [2023-12-03 00:42:27,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:42:27" (1/1) ... [2023-12-03 00:42:27,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:42:28,011 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2023-12-03 00:42:28,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:42:28,229 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:42:28,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2023-12-03 00:42:28,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:42:28,430 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:42:28,436 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:42:28,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28 WrapperNode [2023-12-03 00:42:28,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:42:28,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:42:28,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:42:28,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:42:28,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,584 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3130 [2023-12-03 00:42:28,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:42:28,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:42:28,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:42:28,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:42:28,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:42:28,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:42:28,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:42:28,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:42:28,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:28" (1/1) ... [2023-12-03 00:42:28,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:42:28,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:42:28,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:42:28,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:42:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 00:42:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 00:42:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:42:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:42:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:42:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:42:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:42:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:42:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:42:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:42:29,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:42:29,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:42:31,555 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:42:34,869 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:42:34,870 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-03 00:42:34,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:42:34 BoogieIcfgContainer [2023-12-03 00:42:34,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:42:34,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:42:34,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:42:34,882 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:42:34,882 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:42:34" (1/1) ... [2023-12-03 00:42:34,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:42:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 271 states and 472 transitions. [2023-12-03 00:42:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 472 transitions. [2023-12-03 00:42:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:42:34,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:34,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 271 states and 468 transitions. [2023-12-03 00:42:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 468 transitions. [2023-12-03 00:42:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:42:35,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:35,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 271 states and 464 transitions. [2023-12-03 00:42:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 464 transitions. [2023-12-03 00:42:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:42:35,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:35,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:35,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 273 states and 465 transitions. [2023-12-03 00:42:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 465 transitions. [2023-12-03 00:42:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:42:35,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:35,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:35,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:42:35,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:45,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 273 states and 460 transitions. [2023-12-03 00:42:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 460 transitions. [2023-12-03 00:42:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:42:45,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:45,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:45,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:42:45,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:45,950 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 00:42:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:45,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 273 states and 456 transitions. [2023-12-03 00:42:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 456 transitions. [2023-12-03 00:42:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:42:45,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:45,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:46,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:42:46,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 273 states and 450 transitions. [2023-12-03 00:42:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 450 transitions. [2023-12-03 00:42:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:46,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:46,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:46,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:42:46,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:56,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2023-12-03 00:42:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2023-12-03 00:42:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:42:56,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:56,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:56,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:42:56,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:56,917 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 00:43:07,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:17,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:27,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:37,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:37,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 287 states and 462 transitions. [2023-12-03 00:43:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 462 transitions. [2023-12-03 00:43:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:43:37,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:37,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:37,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:43:37,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:43:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 287 states and 460 transitions. [2023-12-03 00:43:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 460 transitions. [2023-12-03 00:43:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:43:37,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:37,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:37,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:43:37,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:43:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 287 states and 458 transitions. [2023-12-03 00:43:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 458 transitions. [2023-12-03 00:43:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:43:37,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:37,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:43:37,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:43:47,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2023-12-03 00:43:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2023-12-03 00:43:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:43:48,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:48,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:48,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:43:48,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:58,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:08,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:18,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:28,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 290 states and 458 transitions. [2023-12-03 00:44:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-03 00:44:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:44:28,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:28,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:28,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:28,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2023-12-03 00:44:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2023-12-03 00:44:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:44:28,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:28,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:29,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:44:29,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:29,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 00:44:29,411 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:44:29,412 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 00:44:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:44:29,420 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 00:44:29,443 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 00:44:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 293 states and 459 transitions. [2023-12-03 00:44:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 459 transitions. [2023-12-03 00:44:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:44:29,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:29,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:30,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:30,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:30,106 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 00:44:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:30,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 293 states and 453 transitions. [2023-12-03 00:44:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 453 transitions. [2023-12-03 00:44:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:44:30,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:30,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:30,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:40,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:40,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 293 states and 447 transitions. [2023-12-03 00:44:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 447 transitions. [2023-12-03 00:44:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 00:44:40,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:40,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:41,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:44:41,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:51,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:01,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:05,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:15,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 318 states and 476 transitions. [2023-12-03 00:45:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 476 transitions. [2023-12-03 00:45:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 00:45:15,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:15,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:15,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 318 states and 474 transitions. [2023-12-03 00:45:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 474 transitions. [2023-12-03 00:45:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:45:15,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:16,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:16,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 318 states and 472 transitions. [2023-12-03 00:45:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 472 transitions. [2023-12-03 00:45:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 00:45:16,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:16,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:16,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:16,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:16,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:26,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 318 states and 470 transitions. [2023-12-03 00:45:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 470 transitions. [2023-12-03 00:45:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:26,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:26,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:26,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:26,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 318 states and 468 transitions. [2023-12-03 00:45:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 468 transitions. [2023-12-03 00:45:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:26,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:27,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:45:27,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:45:37,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:47,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:57,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:07,569 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 00:46:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 321 states and 470 transitions. [2023-12-03 00:46:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 470 transitions. [2023-12-03 00:46:07,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 00:46:07,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:08,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:46:08,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:46:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 321 states and 469 transitions. [2023-12-03 00:46:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 469 transitions. [2023-12-03 00:46:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 00:46:08,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:08,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:46:08,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:08,604 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 00:46:19,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:29,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:39,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:49,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 335 states and 488 transitions. [2023-12-03 00:46:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 488 transitions. [2023-12-03 00:46:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 00:46:49,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:49,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:49,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:46:49,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:49,842 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 00:46:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 344 states and 498 transitions. [2023-12-03 00:46:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 498 transitions. [2023-12-03 00:46:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 00:46:49,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:49,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:50,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:46:50,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:00,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:10,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:20,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:30,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 347 states and 500 transitions. [2023-12-03 00:47:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 500 transitions. [2023-12-03 00:47:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 00:47:30,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:30,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:47:30,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:47:41,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:51,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:01,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:11,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:22,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:32,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:42,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:52,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:03,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:13,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:23,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:33,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 426 states and 603 transitions. [2023-12-03 00:49:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 603 transitions. [2023-12-03 00:49:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 00:49:33,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:33,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:33,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:49:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 435 states and 614 transitions. [2023-12-03 00:49:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 614 transitions. [2023-12-03 00:49:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 00:49:34,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:34,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:35,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:49:35,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:49:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 435 states and 610 transitions. [2023-12-03 00:49:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 610 transitions. [2023-12-03 00:49:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 00:49:35,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:35,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:35,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:49:35,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:49:45,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 435 states and 608 transitions. [2023-12-03 00:49:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 608 transitions. [2023-12-03 00:49:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 00:49:45,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:45,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:45,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:46,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 00:49:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 436 states and 610 transitions. [2023-12-03 00:49:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 610 transitions. [2023-12-03 00:49:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 00:49:46,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:46,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:47,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:47,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 00:49:57,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:07,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:17,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:27,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 439 states and 612 transitions. [2023-12-03 00:50:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 612 transitions. [2023-12-03 00:50:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 00:50:27,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:27,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:28,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:50:28,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 00:50:38,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:48,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:58,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:08,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 442 states and 614 transitions. [2023-12-03 00:51:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 614 transitions. [2023-12-03 00:51:08,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 00:51:08,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:08,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:51:08,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:51:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 442 states and 612 transitions. [2023-12-03 00:51:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 612 transitions. [2023-12-03 00:51:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 00:51:08,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:08,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:09,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:51:09,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 00:51:19,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:29,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:39,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:49,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 445 states and 614 transitions. [2023-12-03 00:51:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 614 transitions. [2023-12-03 00:51:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 00:51:49,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:49,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:50,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:51:50,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:51:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 445 states and 612 transitions. [2023-12-03 00:51:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 612 transitions. [2023-12-03 00:51:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 00:51:50,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:50,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:50,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:51:50,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:51:52,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 00:51:52,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:52,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 448 states and 614 transitions. [2023-12-03 00:51:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 614 transitions. [2023-12-03 00:51:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 00:51:52,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:52,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:52:03,509 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 00:52:03,512 INFO L158 Benchmark]: Toolchain (without parser) took 575910.08ms. Allocated memory was 157.3MB in the beginning and 677.4MB in the end (delta: 520.1MB). Free memory was 122.5MB in the beginning and 464.8MB in the end (delta: -342.3MB). Peak memory consumption was 179.8MB. Max. memory is 16.1GB. [2023-12-03 00:52:03,512 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:52:03,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.85ms. Allocated memory is still 157.3MB. Free memory was 122.5MB in the beginning and 114.1MB in the end (delta: 8.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-12-03 00:52:03,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.74ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 95.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:52:03,514 INFO L158 Benchmark]: Boogie Preprocessor took 138.16ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 78.1MB in the end (delta: 17.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 00:52:03,514 INFO L158 Benchmark]: RCFGBuilder took 6148.64ms. Allocated memory was 157.3MB in the beginning and 396.4MB in the end (delta: 239.1MB). Free memory was 78.1MB in the beginning and 158.6MB in the end (delta: -80.5MB). Peak memory consumption was 185.3MB. Max. memory is 16.1GB. [2023-12-03 00:52:03,515 INFO L158 Benchmark]: CodeCheck took 568638.75ms. Allocated memory was 396.4MB in the beginning and 677.4MB in the end (delta: 281.0MB). Free memory was 158.6MB in the beginning and 464.8MB in the end (delta: -306.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:52:03,517 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 0.17ms. Allocated memory is still 113.2MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.85ms. Allocated memory is still 157.3MB. Free memory was 122.5MB in the beginning and 114.1MB in the end (delta: 8.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.74ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 95.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.16ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 78.1MB in the end (delta: 17.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 6148.64ms. Allocated memory was 157.3MB in the beginning and 396.4MB in the end (delta: 239.1MB). Free memory was 78.1MB in the beginning and 158.6MB in the end (delta: -80.5MB). Peak memory consumption was 185.3MB. Max. memory is 16.1GB. * CodeCheck took 568638.75ms. Allocated memory was 396.4MB in the beginning and 677.4MB in the end (delta: 281.0MB). Free memory was 158.6MB in the beginning and 464.8MB in the end (delta: -306.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:52:03,724 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:52:03,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/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_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:52:05,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:52:05,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:52:05,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:52:05,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:52:05,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:52:05,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:52:05,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:52:05,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:52:05,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:52:05,584 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:52:05,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:52:05,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:52:05,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:52:05,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:52:05,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:52:05,587 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:52:05,588 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:52:05,588 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:52:05,589 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:52:05,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:52:05,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:52:05,591 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:52:05,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:52:05,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:52:05,592 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:05,593 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:52:05,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:52:05,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:52:05,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:52:05,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:52:05,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:52:05,596 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:52:05,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:05,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:52:05,596 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:52:05,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:52:05,597 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_b419e0e6-6a1c-4b66-b02f-c777e2df95db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 [2023-12-03 00:52:05,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:52:05,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:52:05,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:52:05,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:52:05,896 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:52:05,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-03 00:52:08,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:52:08,965 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:52:08,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-03 00:52:08,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data/582c0ee9c/eadfdef081194ac78945c12afc84327c/FLAGb3330aad3 [2023-12-03 00:52:08,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/data/582c0ee9c/eadfdef081194ac78945c12afc84327c [2023-12-03 00:52:09,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:52:09,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:52:09,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:52:09,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:52:09,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:52:09,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:09,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a85e42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09, skipping insertion in model container [2023-12-03 00:52:09,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:09,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:52:09,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2023-12-03 00:52:09,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:09,669 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:52:09,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:52:09,709 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2023-12-03 00:52:09,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:09,792 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:52:09,815 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2023-12-03 00:52:09,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:09,900 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:52:09,906 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:52:09,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09 WrapperNode [2023-12-03 00:52:09,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:52:09,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:52:09,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:52:09,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:52:09,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:09,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,045 INFO L138 Inliner]: procedures = 180, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2185 [2023-12-03 00:52:10,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:52:10,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:52:10,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:52:10,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:52:10,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:52:10,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:52:10,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:52:10,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:52:10,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:09" (1/1) ... [2023-12-03 00:52:10,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:52:10,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:52:10,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:52:10,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:52:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:52:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 00:52:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 00:52:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:52:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:52:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:52:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:52:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:52:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:52:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:52:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:52:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:52:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:52:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:52:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:52:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:52:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:52:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:52:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:52:10,508 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:52:10,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:52:36,113 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:52:36,906 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:52:36,906 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-03 00:52:36,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:52:36 BoogieIcfgContainer [2023-12-03 00:52:36,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:52:36,909 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:52:36,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:52:36,919 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:52:36,919 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:52:36" (1/1) ... [2023-12-03 00:52:36,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:52:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 271 states and 472 transitions. [2023-12-03 00:52:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 472 transitions. [2023-12-03 00:52:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:52:36,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:36,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:36,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:36,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:36,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:52:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:37,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:37,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:37,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:37,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:52:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:37,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 271 states and 468 transitions. [2023-12-03 00:52:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 468 transitions. [2023-12-03 00:52:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:52:37,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:37,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:37,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:37,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:37,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:52:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:38,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:38,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:52:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 271 states and 464 transitions. [2023-12-03 00:52:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 464 transitions. [2023-12-03 00:52:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:52:38,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:38,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:38,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:52:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:38,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:38,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:52:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 271 states and 462 transitions. [2023-12-03 00:52:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 462 transitions. [2023-12-03 00:52:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:52:38,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:38,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:38,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:38,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:38,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:52:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:39,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:39,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:39,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:39,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:52:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 271 states and 460 transitions. [2023-12-03 00:52:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 460 transitions. [2023-12-03 00:52:39,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:52:39,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:39,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:39,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:39,295 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:39,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:52:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:39,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:39,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:52:39,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:39,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:52:39,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:52:39,909 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:52:39,918 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 00:52:40,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:52:40,019 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 00:52:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:40,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:52:40,051 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:52:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 273 states and 463 transitions. [2023-12-03 00:52:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 463 transitions. [2023-12-03 00:52:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:52:40,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:40,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:40,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:40,463 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:40,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:52:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:40,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:41,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:41,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:41,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:52:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 273 states and 460 transitions. [2023-12-03 00:52:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 460 transitions. [2023-12-03 00:52:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:52:41,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:41,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:41,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:41,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:41,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:52:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:41,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:41,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:41,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:41,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:52:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 273 states and 456 transitions. [2023-12-03 00:52:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 456 transitions. [2023-12-03 00:52:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:52:41,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:41,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:41,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:41,665 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:41,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:52:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:42,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:42,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:42,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:42,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:52:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 273 states and 450 transitions. [2023-12-03 00:52:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 450 transitions. [2023-12-03 00:52:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:52:42,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:42,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:42,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:42,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:42,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:52:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:42,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:43,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:43,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:43,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:52:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:44,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2023-12-03 00:52:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2023-12-03 00:52:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:52:44,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:44,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:44,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:44,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:44,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:52:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:44,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:45,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:45,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:45,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:52:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 287 states and 462 transitions. [2023-12-03 00:52:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 462 transitions. [2023-12-03 00:52:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:52:46,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:46,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:46,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:46,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:46,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:52:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:47,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:47,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:47,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:47,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:52:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 287 states and 460 transitions. [2023-12-03 00:52:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 460 transitions. [2023-12-03 00:52:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:52:47,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:47,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:47,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:47,326 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:47,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:52:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:47,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:48,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:48,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:48,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:52:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 287 states and 458 transitions. [2023-12-03 00:52:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 458 transitions. [2023-12-03 00:52:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:52:48,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:48,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:48,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:48,224 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:48,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:52:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:48,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:49,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:49,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:49,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:52:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2023-12-03 00:52:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2023-12-03 00:52:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:52:49,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:49,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:49,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:49,235 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:49,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:52:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:49,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:50,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:50,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:50,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:52:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 290 states and 458 transitions. [2023-12-03 00:52:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-03 00:52:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:52:50,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:50,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:50,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:50,483 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:50,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:52:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:51,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:51,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:51,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:51,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:52:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2023-12-03 00:52:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2023-12-03 00:52:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:52:51,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:51,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:51,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:51,445 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:51,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:52:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:52,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:52,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:52:52,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:52:52,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:52:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:52:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:52:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:52:52,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:52,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:52,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:52,487 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:52,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:52:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:53,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:53,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:53,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:53,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 00:52:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:52:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:52:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:52:54,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:54,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:54,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:54,003 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:54,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:52:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:54,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:55,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:55,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:55,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:52:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:52:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:52:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:52:55,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:55,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:55,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:55,304 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:55,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:52:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:56,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:56,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:56,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:56,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:52:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:52:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:52:56,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:52:56,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:56,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:56,615 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:56,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:52:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:57,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:57,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:57,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:57,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:52:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:58,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:52:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:52:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:52:58,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:58,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:58,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:58,006 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:58,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:52:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:58,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:59,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:59,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:59,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:52:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:52:59,383 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:52:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:52:59,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:59,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:59,385 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:59,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:53:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:00,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:00,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:00,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:00,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:53:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:00,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:00,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:00,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:00,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:00,892 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:00,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:53:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:02,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:02,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:02,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:02,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:53:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:02,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:02,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:02,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:02,429 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:53:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:03,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:03,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:03,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:04,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 00:53:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:04,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:04,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:04,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:04,036 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:04,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:53:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:05,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:05,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:05,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:05,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:53:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:05,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:05,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:05,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:05,565 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:05,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:53:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:06,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:07,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:07,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:07,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:53:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:07,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:07,154 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:07,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:53:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:08,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:08,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:08,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:08,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:53:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:08,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:08,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:08,862 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:08,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:53:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:10,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:10,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:10,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:10,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:10,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:53:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:10,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:10,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:10,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:10,670 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:10,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:53:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:12,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:12,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:12,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:12,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:53:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:12,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:12,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:12,482 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:12,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:53:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:13,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:14,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:14,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:14,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:53:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:14,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:14,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:14,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:14,386 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:14,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:53:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:15,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:16,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:16,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:16,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:53:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:16,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:16,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:16,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:16,127 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:16,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:53:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:17,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:18,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:18,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:18,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:18,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:53:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:18,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:18,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:18,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:18,154 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:18,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:53:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:19,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:19,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:19,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:19,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 00:53:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:19,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:19,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:19,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:19,983 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:19,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:53:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:21,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:21,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:21,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:21,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 00:53:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:21,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:21,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:21,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:21,841 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:21,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:53:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:23,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:23,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:23,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:23,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:53:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:23,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:23,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:23,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:23,801 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:23,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:53:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:25,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:25,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:25,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:25,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:53:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:25,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:25,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:25,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:25,928 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:25,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:53:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:27,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:27,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:27,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:27,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:53:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:27,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:27,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:27,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:27,932 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:27,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:53:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:29,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:29,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:29,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:29,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:53:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:29,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:29,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:29,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:29,850 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:29,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:53:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:31,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:31,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:31,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:31,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:53:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:31,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:31,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:31,964 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:31,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:53:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:33,808 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:34,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:34,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:34,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:53:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:34,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:34,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:34,240 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:34,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:53:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:36,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:36,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:36,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:36,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:53:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:36,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:36,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:36,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:36,449 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:53:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:38,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:38,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:38,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:38,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:53:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:38,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:38,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:38,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:38,866 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:38,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:53:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:40,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:41,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:41,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:41,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:53:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:41,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:41,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:41,317 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:41,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:53:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:43,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:43,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:43,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:43,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:53:43,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:43,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:43,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:43,708 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:43,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:53:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:45,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:46,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:46,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:46,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:53:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:46,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:46,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:46,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:46,231 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:46,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:53:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:48,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:48,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:48,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:48,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:48,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:53:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:48,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:48,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:48,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:48,739 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:48,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:53:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:50,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:51,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:51,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:51,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:53:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:51,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:51,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:51,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:51,331 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:51,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:53:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:53,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:54,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:54,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:54,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:53:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:54,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:54,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:54,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:54,075 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:54,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:53:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:56,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:56,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:56,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:56,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:53:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:56,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:56,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:56,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:56,674 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:56,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:53:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:58,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:59,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:59,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:59,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:53:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:53:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:53:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:59,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:59,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:59,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:59,167 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:59,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:54:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:01,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:01,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:01,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:01,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:54:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:01,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:01,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:01,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:01,910 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:01,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:54:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:04,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:04,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:04,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:04,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:54:04,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:04,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:04,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:04,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:04,497 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:04,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:54:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:06,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:07,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:07,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:07,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:54:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:07,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:07,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:07,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:07,255 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:07,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:54:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:09,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:10,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:10,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:10,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:54:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:10,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:10,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:10,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:10,105 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:10,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:54:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:12,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:12,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:12,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:12,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:54:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:12,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:12,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:12,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:12,927 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:12,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:54:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:15,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:15,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:15,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:15,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:54:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:15,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:15,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:15,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:15,780 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:15,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:54:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:18,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:18,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:18,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:18,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:54:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:18,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:18,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:18,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:18,665 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:18,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:54:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:21,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:21,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:21,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:21,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:54:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:21,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:21,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:21,691 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:21,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:54:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:24,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:24,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:24,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:24,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:54:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:24,503 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:24,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:24,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:24,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:24,505 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:24,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:54:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:26,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:27,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:27,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:27,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:54:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:27,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:27,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:27,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:27,367 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:27,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:54:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:30,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:30,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:30,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:30,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 00:54:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:30,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:30,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:30,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:30,542 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:30,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:54:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:33,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:33,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:33,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:33,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 00:54:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:33,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:33,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:33,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:33,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:33,694 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:33,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:54:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:36,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:36,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:36,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:36,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:54:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:36,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:36,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:36,813 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:36,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:54:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:39,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:40,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:40,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:40,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-03 00:54:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:40,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:40,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:40,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:40,270 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:40,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:54:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:42,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:43,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:43,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:43,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:54:43,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:43,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:43,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:43,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:43,293 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:43,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:54:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:46,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:46,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:46,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:46,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 00:54:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:46,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:46,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:46,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:46,862 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:46,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:54:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:49,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:50,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:50,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:50,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:54:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:50,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:50,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:50,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:50,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:50,311 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:50,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:54:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:53,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:53,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:53,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:53,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:54:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:53,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:53,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:53,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:53,833 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:53,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:54:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:56,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:57,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:54:57,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:54:57,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:54:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:54:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:54:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:54:57,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:57,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:57,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:57,263 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:57,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:55:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:00,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:00,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:00,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:00,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:55:00,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:00,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:00,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:00,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:00,910 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:00,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:55:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:04,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:04,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:04,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:04,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:55:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:04,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:04,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:04,490 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:55:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:07,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:08,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:08,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:08,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:55:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:08,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:08,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:08,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:08,181 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:08,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:55:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:11,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:11,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:11,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:11,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:55:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:11,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:11,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:11,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:11,906 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:11,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:55:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:14,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:15,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:15,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:15,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2023-12-03 00:55:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:15,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:15,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:15,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:15,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:15,308 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:15,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:55:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:18,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:19,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:19,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:19,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:55:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:19,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:19,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:19,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:19,151 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:19,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:55:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:22,505 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:22,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:22,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:22,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:55:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:22,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:22,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:22,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:22,978 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:22,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:55:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:26,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:26,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:26,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:26,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:55:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:26,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:26,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:26,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:26,823 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:26,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:55:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:30,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:30,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:30,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:30,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:55:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:30,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:30,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:30,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:30,801 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:30,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:55:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:34,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:34,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:34,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:34,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:55:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:34,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:34,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:34,671 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:34,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:55:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:37,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:38,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:38,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:38,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:55:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:38,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:38,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:38,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:38,437 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:38,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:55:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:42,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:42,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:42,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:42,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:55:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:42,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:42,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:42,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:42,553 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:42,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:55:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:45,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:46,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:46,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:46,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:55:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:46,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:46,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:46,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:46,441 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:46,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:55:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:50,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:50,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:50,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:50,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:55:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:50,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:50,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:50,550 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:50,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:55:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:54,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:54,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:54,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:54,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2023-12-03 00:55:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:54,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:54,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:54,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:54,679 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:54,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:55:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:58,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:58,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:55:58,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:55:58,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:55:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:55:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:55:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:55:58,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:58,921 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:58,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:56:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:02,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:03,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:03,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:03,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 00:56:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:56:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:56:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:56:03,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:03,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:03,236 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:03,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:56:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:07,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:07,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:07,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:07,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:56:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:56:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:56:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:56:07,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:07,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:07,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:07,690 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:07,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:56:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:11,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:11,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:11,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:11,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:56:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:56:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:56:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:56:11,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:11,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:11,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:11,793 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:11,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:56:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:15,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:16,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:16,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:16,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:56:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:56:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:56:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:56:16,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:16,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:16,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:16,154 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:16,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:56:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:20,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:20,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:20,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:20,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:56:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:20,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:56:20,523 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:56:20,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:56:20,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:20,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:20,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:20,525 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:20,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:56:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:24,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:25,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:25,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:25,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:56:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:56:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:56:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:56:25,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:25,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:25,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:25,083 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:25,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:56:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:29,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:29,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:29,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:29,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:56:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:29,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 00:56:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 00:56:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:56:29,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:29,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:29,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:29,676 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:29,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b419e0e6-6a1c-4b66-b02f-c777e2df95db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process