./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/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_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/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_48d77079-7ca2-46cf-9baf-f725cf0136cd/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 e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:48:58,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:48:58,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:48:58,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:48:58,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:48:58,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:48:58,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:48:58,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:48:58,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:48:58,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:48:58,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:48:58,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:48:58,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:48:58,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:48:58,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:48:58,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:48:58,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:48:58,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:48:58,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:48:58,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:48:58,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:48:58,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:48:58,342 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:48:58,342 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:48:58,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:48:58,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:48:58,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:48:58,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:48:58,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:48:58,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:48:58,345 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:48:58,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:48:58,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:48:58,346 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_48d77079-7ca2-46cf-9baf-f725cf0136cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 [2023-12-03 01:48:58,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:48:58,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:48:58,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:48:58,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:48:58,602 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:48:58,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2023-12-03 01:49:01,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:01,652 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:01,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2023-12-03 01:49:01,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data/854b9a36e/db7709643fdc49dc80d8221155d58243/FLAG86f655361 [2023-12-03 01:49:01,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data/854b9a36e/db7709643fdc49dc80d8221155d58243 [2023-12-03 01:49:01,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:01,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:01,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:01,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:01,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:01,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:01" (1/1) ... [2023-12-03 01:49:01,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b66c948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:01, skipping insertion in model container [2023-12-03 01:49:01,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:01" (1/1) ... [2023-12-03 01:49:01,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:02,208 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_48d77079-7ca2-46cf-9baf-f725cf0136cd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2023-12-03 01:49:02,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:02,450 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:02,481 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_48d77079-7ca2-46cf-9baf-f725cf0136cd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2023-12-03 01:49:02,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:02,624 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:02,632 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:02,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02 WrapperNode [2023-12-03 01:49:02,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:02,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:02,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:02,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:02,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,793 INFO L138 Inliner]: procedures = 177, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3295 [2023-12-03 01:49:02,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:02,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:02,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:02,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:02,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:02,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:02,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:02,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:02,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:02" (1/1) ... [2023-12-03 01:49:02,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:03,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:03,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:03,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 01:49:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 01:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:49:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:49:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:03,321 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:03,323 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:06,747 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:10,201 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:10,201 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-12-03 01:49:10,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:10 BoogieIcfgContainer [2023-12-03 01:49:10,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:10,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:10,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:10,212 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:10,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:10" (1/1) ... [2023-12-03 01:49:10,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 286 states and 498 transitions. [2023-12-03 01:49:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 498 transitions. [2023-12-03 01:49:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:49:10,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:10,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 286 states and 494 transitions. [2023-12-03 01:49:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 494 transitions. [2023-12-03 01:49:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:49:10,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:10,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 286 states and 490 transitions. [2023-12-03 01:49:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 490 transitions. [2023-12-03 01:49:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:49:10,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 288 states and 491 transitions. [2023-12-03 01:49:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 491 transitions. [2023-12-03 01:49:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:49:10,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:10,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:10,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:10,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:10,977 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 01:49:21,009 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 01:49:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 288 states and 486 transitions. [2023-12-03 01:49:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 486 transitions. [2023-12-03 01:49:21,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:49:21,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:21,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:21,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:21,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:21,215 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 01:49:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 288 states and 482 transitions. [2023-12-03 01:49:21,223 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 482 transitions. [2023-12-03 01:49:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:49:21,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:21,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:21,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:21,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:49:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 288 states and 476 transitions. [2023-12-03 01:49:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 476 transitions. [2023-12-03 01:49:21,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:49:21,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:21,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:21,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:49:21,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:21,672 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 01:49:31,694 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 01:49:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 288 states and 470 transitions. [2023-12-03 01:49:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 470 transitions. [2023-12-03 01:49:32,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:49:32,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:32,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:32,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:49:32,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:32,563 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 01:49:42,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:52,787 WARN L539 Checker$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 01:50:02,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:12,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2023-12-03 01:50:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2023-12-03 01:50:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:50:13,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:50:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:13,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:50:13,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:13,316 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 01:50:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 302 states and 486 transitions. [2023-12-03 01:50:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 486 transitions. [2023-12-03 01:50:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:50:13,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:50:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:13,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:50:13,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:13,594 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 01:50:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 302 states and 484 transitions. [2023-12-03 01:50:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 484 transitions. [2023-12-03 01:50:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:50:13,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:13,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:50:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:13,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:50:13,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:50:23,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 302 states and 482 transitions. [2023-12-03 01:50:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 482 transitions. [2023-12-03 01:50:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:50:23,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:50:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:24,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:50:24,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:50:34,415 WARN L539 Checker$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 01:50:44,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:54,491 WARN L539 Checker$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 01:51:04,547 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 01:51:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 305 states and 484 transitions. [2023-12-03 01:51:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 484 transitions. [2023-12-03 01:51:04,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:51:04,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:04,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:04,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:51:04,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:04,960 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 01:51:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 305 states and 479 transitions. [2023-12-03 01:51:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 479 transitions. [2023-12-03 01:51:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:51:04,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:05,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:05,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:05,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:51:05,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:51:05,411 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:51:05,412 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 01:51:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:51:05,420 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 01:51:05,448 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 01:51:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 308 states and 485 transitions. [2023-12-03 01:51:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 485 transitions. [2023-12-03 01:51:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:51:05,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:06,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:51:06,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:06,197 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 01:51:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 308 states and 479 transitions. [2023-12-03 01:51:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 479 transitions. [2023-12-03 01:51:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:51:06,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:06,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:06,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:51:06,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:06,550 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 01:51:16,605 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 01:51:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 308 states and 473 transitions. [2023-12-03 01:51:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 473 transitions. [2023-12-03 01:51:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:51:16,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:16,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:17,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:51:17,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:17,364 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 01:51:27,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:37,430 WARN L539 Checker$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 01:51:48,016 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 01:51:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 333 states and 502 transitions. [2023-12-03 01:51:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2023-12-03 01:51:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:51:48,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:48,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:48,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:51:48,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:48,456 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 01:51:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 333 states and 500 transitions. [2023-12-03 01:51:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 500 transitions. [2023-12-03 01:51:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:51:48,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:48,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:48,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:51:48,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:48,797 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 01:51:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 333 states and 498 transitions. [2023-12-03 01:51:48,807 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 498 transitions. [2023-12-03 01:51:48,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:51:48,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:48,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:49,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:51:49,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:51:59,232 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 01:51:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:59,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 333 states and 496 transitions. [2023-12-03 01:51:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 496 transitions. [2023-12-03 01:51:59,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:51:59,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:59,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:59,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:51:59,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:59,730 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 01:51:59,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 333 states and 494 transitions. [2023-12-03 01:51:59,810 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 494 transitions. [2023-12-03 01:51:59,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:51:59,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:59,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:00,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:52:00,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:00,465 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 01:52:10,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:20,512 WARN L539 Checker$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 01:52:30,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:40,589 WARN L539 Checker$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 01:52:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 336 states and 496 transitions. [2023-12-03 01:52:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 496 transitions. [2023-12-03 01:52:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 01:52:40,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:40,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:41,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:52:41,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:41,289 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 01:52:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 336 states and 495 transitions. [2023-12-03 01:52:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 495 transitions. [2023-12-03 01:52:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 01:52:41,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:41,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:41,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:52:41,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:41,939 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 01:52:52,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:53:02,709 WARN L539 Checker$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 01:53:12,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:53:22,806 WARN L539 Checker$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 01:53:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 350 states and 514 transitions. [2023-12-03 01:53:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 514 transitions. [2023-12-03 01:53:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 01:53:22,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:23,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:53:23,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:23,550 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 01:53:33,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:53:44,027 WARN L539 Checker$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 01:53:54,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:04,120 WARN L539 Checker$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 01:54:15,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:25,345 WARN L539 Checker$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 01:54:35,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:45,414 WARN L539 Checker$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 01:54:56,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:06,442 WARN L539 Checker$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 01:55:16,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:26,548 WARN L539 Checker$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 01:55:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 422 states and 610 transitions. [2023-12-03 01:55:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 610 transitions. [2023-12-03 01:55:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:55:26,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:26,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:27,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:55:27,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:55:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 422 states and 606 transitions. [2023-12-03 01:55:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 606 transitions. [2023-12-03 01:55:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:55:27,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:27,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:55:27,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:55:37,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 422 states and 604 transitions. [2023-12-03 01:55:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 604 transitions. [2023-12-03 01:55:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:55:37,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:37,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:38,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:55:38,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:55:48,465 WARN L539 Checker$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 01:55:58,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:08,566 WARN L539 Checker$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 01:56:18,612 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 01:56:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 425 states and 606 transitions. [2023-12-03 01:56:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 606 transitions. [2023-12-03 01:56:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:56:18,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:18,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:19,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:19,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:19,183 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 01:56:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 425 states and 604 transitions. [2023-12-03 01:56:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 604 transitions. [2023-12-03 01:56:19,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:56:19,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:19,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:19,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:56:19,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:19,981 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 01:56:30,004 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 01:56:40,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:50,087 WARN L539 Checker$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 01:57:00,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:57:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 428 states and 606 transitions. [2023-12-03 01:57:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 606 transitions. [2023-12-03 01:57:00,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:57:00,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:00,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:57:00,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:57:10,866 WARN L539 Checker$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 01:57:20,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:57:30,925 WARN L539 Checker$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 01:57:40,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:57:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 431 states and 608 transitions. [2023-12-03 01:57:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 608 transitions. [2023-12-03 01:57:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:57:41,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:41,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:41,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:57:41,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:57:51,716 WARN L539 Checker$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 01:58:01,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:58:11,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:58:21,942 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 01:58:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:22,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 434 states and 610 transitions. [2023-12-03 01:58:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 610 transitions. [2023-12-03 01:58:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 01:58:22,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:22,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:22,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:58:22,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:22,706 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 01:58:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 443 states and 617 transitions. [2023-12-03 01:58:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 617 transitions. [2023-12-03 01:58:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 01:58:23,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:24,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:58:24,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:24,137 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 01:58:34,620 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 01:58:44,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:58:54,691 WARN L539 Checker$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 01:59:04,732 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 01:59:04,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 475 states and 656 transitions. [2023-12-03 01:59:04,788 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 656 transitions. [2023-12-03 01:59:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 01:59:04,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:04,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:05,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:59:05,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:05,496 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 01:59:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 484 states and 667 transitions. [2023-12-03 01:59:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 667 transitions. [2023-12-03 01:59:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 01:59:06,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:07,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:59:07,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:07,383 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 01:59:09,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 01:59:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 485 states and 669 transitions. [2023-12-03 01:59:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 669 transitions. [2023-12-03 01:59:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 01:59:09,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:10,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:59:10,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:10,403 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 01:59:20,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:59:30,464 WARN L539 Checker$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 01:59:40,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:59:50,549 WARN L539 Checker$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 01:59:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:50,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 488 states and 671 transitions. [2023-12-03 01:59:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 671 transitions. [2023-12-03 01:59:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 01:59:50,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:50,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:51,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:59:51,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:51,366 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 01:59:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 488 states and 669 transitions. [2023-12-03 01:59:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 669 transitions. [2023-12-03 01:59:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 01:59:51,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:51,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:52,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:59:52,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:52,248 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 01:59:57,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 01:59:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 491 states and 671 transitions. [2023-12-03 01:59:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 671 transitions. [2023-12-03 01:59:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 01:59:57,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:00:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:00:08,158 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 02:00:08,162 INFO L158 Benchmark]: Toolchain (without parser) took 666471.20ms. Allocated memory was 136.3MB in the beginning and 656.4MB in the end (delta: 520.1MB). Free memory was 81.9MB in the beginning and 510.3MB in the end (delta: -428.4MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2023-12-03 02:00:08,163 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:08,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.45ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 75.7MB in the end (delta: 5.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-12-03 02:00:08,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.81ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 57.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:00:08,164 INFO L158 Benchmark]: Boogie Preprocessor took 188.35ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 57.6MB in the beginning and 110.0MB in the end (delta: -52.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-12-03 02:00:08,165 INFO L158 Benchmark]: RCFGBuilder took 7219.79ms. Allocated memory was 169.9MB in the beginning and 385.9MB in the end (delta: 216.0MB). Free memory was 110.0MB in the beginning and 140.1MB in the end (delta: -30.1MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. [2023-12-03 02:00:08,166 INFO L158 Benchmark]: CodeCheck took 657957.29ms. Allocated memory was 385.9MB in the beginning and 656.4MB in the end (delta: 270.5MB). Free memory was 140.1MB in the beginning and 510.3MB in the end (delta: -370.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:08,169 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 0.30ms. Allocated memory is still 136.3MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.45ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 75.7MB in the end (delta: 5.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.81ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 57.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.35ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 57.6MB in the beginning and 110.0MB in the end (delta: -52.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7219.79ms. Allocated memory was 169.9MB in the beginning and 385.9MB in the end (delta: 216.0MB). Free memory was 110.0MB in the beginning and 140.1MB in the end (delta: -30.1MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. * CodeCheck took 657957.29ms. Allocated memory was 385.9MB in the beginning and 656.4MB in the end (delta: 270.5MB). Free memory was 140.1MB in the beginning and 510.3MB in the end (delta: -370.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:00:08,380 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 02:00:08,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/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_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/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_48d77079-7ca2-46cf-9baf-f725cf0136cd/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 e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:00:10,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:00:10,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:00:10,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:00:10,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:00:10,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:00:10,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:00:10,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:00:10,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:00:10,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:00:10,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:00:10,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:00:10,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:00:10,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:00:10,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:00:10,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:00:10,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:00:10,783 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:00:10,784 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:00:10,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:00:10,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:00:10,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:00:10,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:00:10,788 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:00:10,788 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:00:10,789 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:10,790 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:00:10,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:00:10,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:10,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:00:10,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:00:10,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:00:10,793 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:00:10,793 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:10,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:00:10,794 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:00:10,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:00:10,794 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_48d77079-7ca2-46cf-9baf-f725cf0136cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 [2023-12-03 02:00:11,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:00:11,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:00:11,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:00:11,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:00:11,186 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:00:11,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2023-12-03 02:00:14,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:00:15,065 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:00:15,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2023-12-03 02:00:15,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data/eeddadd9e/24d51241045044379fa803fd33d52999/FLAG1ff6fd6b2 [2023-12-03 02:00:15,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/data/eeddadd9e/24d51241045044379fa803fd33d52999 [2023-12-03 02:00:15,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:00:15,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:00:15,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:15,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:00:15,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:00:15,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:15" (1/1) ... [2023-12-03 02:00:15,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fab81fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:15, skipping insertion in model container [2023-12-03 02:00:15,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:15" (1/1) ... [2023-12-03 02:00:15,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:00:15,703 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_48d77079-7ca2-46cf-9baf-f725cf0136cd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2023-12-03 02:00:16,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:16,020 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:00:16,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:00:16,060 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_48d77079-7ca2-46cf-9baf-f725cf0136cd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2023-12-03 02:00:16,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:16,173 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:00:16,204 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_48d77079-7ca2-46cf-9baf-f725cf0136cd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2023-12-03 02:00:16,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:16,345 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:16,353 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:00:16,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16 WrapperNode [2023-12-03 02:00:16,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:16,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:16,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:00:16,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:00:16,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,516 INFO L138 Inliner]: procedures = 180, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2343 [2023-12-03 02:00:16,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:16,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:00:16,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:00:16,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:00:16,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:00:16,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:00:16,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:00:16,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:00:16,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:16" (1/1) ... [2023-12-03 02:00:16,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:00:16,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:00:16,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:00:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:00:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 02:00:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 02:00:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:00:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:00:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:00:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:00:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:00:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:00:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:00:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:00:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:00:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:00:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:00:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:00:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:00:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:00:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:00:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:00:17,137 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:00:17,140 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:00:51,300 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:00:52,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:00:52,512 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-12-03 02:00:52,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:52 BoogieIcfgContainer [2023-12-03 02:00:52,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:00:52,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:00:52,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:00:52,529 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:00:52,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:52" (1/1) ... [2023-12-03 02:00:52,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:00:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 286 states and 498 transitions. [2023-12-03 02:00:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 498 transitions. [2023-12-03 02:00:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:00:52,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:52,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:52,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:52,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:52,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:00:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:53,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:53,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:00:53,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:00:53,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:00:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:53,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 286 states and 494 transitions. [2023-12-03 02:00:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 494 transitions. [2023-12-03 02:00:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:00:53,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:53,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:53,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:53,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:53,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:00:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:54,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:54,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:00:54,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:54,218 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 02:00:54,224 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:00:54,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:00:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:54,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 286 states and 490 transitions. [2023-12-03 02:00:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 490 transitions. [2023-12-03 02:00:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:00:54,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:54,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:54,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:54,463 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:54,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:00:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:54,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:55,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:00:55,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:55,104 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 02:00:55,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:00:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 286 states and 488 transitions. [2023-12-03 02:00:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 488 transitions. [2023-12-03 02:00:55,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:00:55,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:55,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:55,141 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:55,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:00:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:55,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:55,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:00:55,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:55,783 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 02:00:55,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:00:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 286 states and 486 transitions. [2023-12-03 02:00:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 486 transitions. [2023-12-03 02:00:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:00:55,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:55,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:55,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:55,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:55,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:00:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:56,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:56,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:00:56,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:56,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:00:56,742 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:00:56,743 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:00:56,756 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 02:00:56,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:00:56,886 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 02:00:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:00:56,933 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:00:56,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:00:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 288 states and 489 transitions. [2023-12-03 02:00:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 489 transitions. [2023-12-03 02:00:57,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:00:57,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:57,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:57,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:57,452 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:57,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:00:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:58,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:58,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:00:58,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:58,203 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 02:00:58,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:00:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 288 states and 486 transitions. [2023-12-03 02:00:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 486 transitions. [2023-12-03 02:00:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:00:58,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:58,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:58,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:58,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:58,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:00:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:58,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:58,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:00:58,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:58,921 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 02:00:58,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:00:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 288 states and 482 transitions. [2023-12-03 02:00:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 482 transitions. [2023-12-03 02:00:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:00:58,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:58,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:58,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:58,941 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:58,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:00:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:59,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:59,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:00:59,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:59,754 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 02:00:59,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:00:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 288 states and 476 transitions. [2023-12-03 02:00:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 476 transitions. [2023-12-03 02:00:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:00:59,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:59,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:59,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:59,775 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:59,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:01:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:00,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:00,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:01:00,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:00,681 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 02:01:00,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:01:02,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:01:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 288 states and 470 transitions. [2023-12-03 02:01:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 470 transitions. [2023-12-03 02:01:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:01:02,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:02,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:02,032 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:02,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:01:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:02,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:03,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:03,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:03,421 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 02:01:03,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:01:05,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2023-12-03 02:01:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2023-12-03 02:01:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:01:05,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:05,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:05,075 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:05,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:01:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:05,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:06,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:01:06,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:06,262 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 02:01:06,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:01:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 302 states and 486 transitions. [2023-12-03 02:01:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 486 transitions. [2023-12-03 02:01:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:01:06,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:06,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:06,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:06,287 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:06,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:01:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:07,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:07,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:01:07,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:07,478 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 02:01:07,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:01:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 302 states and 484 transitions. [2023-12-03 02:01:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 484 transitions. [2023-12-03 02:01:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:01:07,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:07,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:07,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:07,508 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:07,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:01:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:08,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:08,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:01:08,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:08,824 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 02:01:08,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:01:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 302 states and 482 transitions. [2023-12-03 02:01:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 482 transitions. [2023-12-03 02:01:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:01:08,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:08,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:08,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:08,859 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:08,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:01:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:09,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:10,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:10,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:10,433 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 02:01:10,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:01:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 305 states and 484 transitions. [2023-12-03 02:01:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 484 transitions. [2023-12-03 02:01:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:01:10,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:10,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:10,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:10,480 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:10,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:01:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:11,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:11,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:01:11,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:11,763 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 02:01:11,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:01:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 305 states and 479 transitions. [2023-12-03 02:01:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 479 transitions. [2023-12-03 02:01:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:01:11,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:11,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:11,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:11,801 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:11,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:01:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:12,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:13,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:01:13,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:13,212 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 02:01:13,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:01:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:13,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:13,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:13,245 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:13,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:01:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:14,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:14,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:14,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:15,159 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 02:01:15,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:01:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:15,392 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:15,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:15,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:15,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:15,395 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:15,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:01:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:16,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:17,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:17,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:17,067 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 02:01:17,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:01:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:17,101 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:17,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:17,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:17,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:17,104 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:17,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:01:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:18,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:18,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:18,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:18,713 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 02:01:18,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:01:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:18,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:18,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:18,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:18,752 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:18,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:01:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:20,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:20,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:20,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:20,605 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 02:01:20,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 02:01:20,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:20,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:20,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:20,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:20,642 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:20,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:01:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:21,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:22,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:22,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:22,524 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 02:01:22,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:01:22,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:22,561 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:22,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:22,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:22,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:22,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:22,564 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:22,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:01:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:23,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:24,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:24,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:24,362 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 02:01:24,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:01:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:24,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:24,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:24,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:24,399 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:24,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:01:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:25,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:26,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:26,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:26,393 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 02:01:26,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:01:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:26,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:26,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:26,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:26,431 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:26,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:01:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:27,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:28,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:28,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:28,354 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 02:01:28,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 02:01:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:28,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:28,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:28,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:28,395 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:28,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:01:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:30,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:30,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:30,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:30,600 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 02:01:30,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:01:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:30,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:30,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:30,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:30,643 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:30,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:01:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:32,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:32,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:32,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:32,718 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 02:01:32,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:01:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:32,761 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:32,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:32,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:32,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:32,764 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:32,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:01:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:34,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:34,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:34,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:34,845 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 02:01:34,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 02:01:34,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:34,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:34,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:34,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:34,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:34,897 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:34,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:01:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:36,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:37,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:37,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:37,121 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 02:01:37,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:01:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:37,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:37,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:37,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:37,189 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:37,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:01:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:38,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:39,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:39,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:39,520 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 02:01:39,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:01:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:39,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:39,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:39,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:39,569 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:39,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:01:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:41,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:41,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:41,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:41,963 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 02:01:41,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:01:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:42,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:42,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:42,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:42,019 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:42,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:01:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:43,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:44,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:44,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:44,441 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 02:01:44,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:01:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:44,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:44,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:44,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:44,490 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:44,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:01:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:46,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:46,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:46,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:46,958 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 02:01:46,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:01:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:47,010 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:47,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:47,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:47,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:47,012 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:47,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:01:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:49,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:49,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:49,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:49,634 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 02:01:49,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:01:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:49,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:49,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:49,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:49,688 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:49,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:01:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:51,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:52,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:52,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:52,222 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 02:01:52,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:01:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:52,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:52,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:52,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:52,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:52,276 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:52,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:01:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:54,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:54,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:54,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:54,851 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 02:01:54,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:01:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:54,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:54,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:54,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:54,919 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:54,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:01:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:56,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:57,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:57,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:57,307 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 02:01:57,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:01:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:57,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:01:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:01:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:01:57,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:57,364 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:57,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:01:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:59,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:59,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:01:59,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:59,992 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 02:02:00,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 02:02:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:00,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:00,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:00,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:00,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:00,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:00,049 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:00,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:02:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:02,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:02,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:02,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:02,826 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 02:02:02,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:02:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:02,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:02,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:02,884 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:02,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:02:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:05,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:05,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:05,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:05,519 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 02:02:05,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:02:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:05,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:05,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:05,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:05,581 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:05,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:02:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:07,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:08,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:08,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:08,282 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 02:02:08,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:02:08,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:08,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:08,340 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:08,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:02:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:10,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:11,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:11,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:11,022 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 02:02:11,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:02:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:11,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:11,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:11,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:11,083 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:11,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:02:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:13,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:14,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:14,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:14,103 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 02:02:14,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:02:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:14,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:14,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:14,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:14,160 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:14,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:02:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:16,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:17,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:17,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:17,184 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 02:02:17,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:02:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:17,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:17,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:17,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:17,246 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:17,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:02:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:19,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:20,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:20,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:20,254 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 02:02:20,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:02:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:20,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:20,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:20,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:20,318 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:20,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:02:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:22,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:23,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:23,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:23,390 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 02:02:23,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 02:02:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:23,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:23,449 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:23,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:02:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:26,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:26,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:26,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:26,576 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 02:02:26,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:02:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:26,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:26,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:26,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:26,635 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:26,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:02:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:29,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:30,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:30,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:30,037 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 02:02:30,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:02:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:30,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:30,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:30,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:30,104 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:30,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:02:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:32,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:33,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:33,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:33,463 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 02:02:33,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 02:02:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:33,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:33,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:33,531 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:33,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:02:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:36,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:36,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:36,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:36,886 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 02:02:36,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:02:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:36,957 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:36,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:36,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:36,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:36,959 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:36,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:02:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:39,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:40,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:40,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:40,073 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 02:02:40,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:02:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:40,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:40,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:40,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:40,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:40,121 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:40,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:02:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:42,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:43,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:43,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:43,429 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 02:02:43,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 02:02:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:43,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:43,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:43,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:43,476 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:02:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:46,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:47,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:47,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:47,025 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 02:02:47,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:02:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:47,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:47,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:47,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:47,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:47,074 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:47,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:02:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:49,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:50,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:50,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:50,415 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 02:02:50,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:02:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:50,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:50,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:50,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:50,464 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:50,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:02:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:53,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:53,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:53,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:53,759 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 02:02:53,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 02:02:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:53,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:53,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:53,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:53,807 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:53,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:02:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:56,808 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:57,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:57,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:57,189 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 02:02:57,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:02:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:02:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:02:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:02:57,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:57,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:57,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:57,226 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:57,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:03:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:00,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:03:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:01,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:03:01,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:01,072 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 02:03:01,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-03 02:03:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:03:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:03:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:03:01,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:01,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:01,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:01,123 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:01,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:03:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:04,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:03:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:04,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:03:04,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:04,885 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 02:03:04,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:03:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 02:03:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 02:03:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:03:04,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:04,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:04,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:04,938 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:04,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d77079-7ca2-46cf-9baf-f725cf0136cd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process