./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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 93cc62483e7301c05d7788622f4f3fa5962cd13b8481778ecaf6adfc0416e51e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:42:45,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:42:45,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:42:45,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:42:45,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:42:45,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:42:45,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:42:45,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:42:45,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:42:45,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:42:45,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:42:45,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:42:45,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:42:45,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:42:45,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:42:45,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:42:45,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:42:45,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:42:45,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:42:45,915 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:42:45,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:42:45,916 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:42:45,917 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:42:45,917 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:42:45,917 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:42:45,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:42:45,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:42:45,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:42:45,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:42:45,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:42:45,920 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:42:45,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:42:45,921 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:42:45,921 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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cc62483e7301c05d7788622f4f3fa5962cd13b8481778ecaf6adfc0416e51e [2023-12-02 23:42:46,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:42:46,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:42:46,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:42:46,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:42:46,170 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:42:46,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i [2023-12-02 23:42:48,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:42:49,200 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:42:49,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i [2023-12-02 23:42:49,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data/50d1b63e6/210cc4c1a3be48548013f94949d29cc4/FLAG48e7a6e68 [2023-12-02 23:42:49,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data/50d1b63e6/210cc4c1a3be48548013f94949d29cc4 [2023-12-02 23:42:49,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:42:49,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:42:49,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:42:49,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:42:49,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:42:49,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:42:49" (1/1) ... [2023-12-02 23:42:49,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544cfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:49, skipping insertion in model container [2023-12-02 23:42:49,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:42:49" (1/1) ... [2023-12-02 23:42:49,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:42:49,677 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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i[33022,33035] [2023-12-02 23:42:49,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:42:49,886 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:42:49,916 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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i[33022,33035] [2023-12-02 23:42:50,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:42:50,075 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:42:50,082 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:42:50,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50 WrapperNode [2023-12-02 23:42:50,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:42:50,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:42:50,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:42:50,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:42:50,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,293 INFO L138 Inliner]: procedures = 177, calls = 623, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3443 [2023-12-02 23:42:50,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:42:50,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:42:50,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:42:50,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:42:50,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:42:50,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:42:50,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:42:50,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:42:50,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:50" (1/1) ... [2023-12-02 23:42:50,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:42:50,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:42:50,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:42:50,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:42:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-02 23:42:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-02 23:42:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:42:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:42:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:42:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:42:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:42:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:42:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:42:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:42:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:42:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:42:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:42:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:42:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:42:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:42:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:42:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:42:50,804 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:42:50,805 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:42:53,390 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:42:57,287 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:42:57,288 INFO L309 CfgBuilder]: Removed 168 assume(true) statements. [2023-12-02 23:42:57,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:57 BoogieIcfgContainer [2023-12-02 23:42:57,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:42:57,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:42:57,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:42:57,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:42:57,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:57" (1/1) ... [2023-12-02 23:42:57,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:42:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 299 states and 521 transitions. [2023-12-02 23:42:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 521 transitions. [2023-12-02 23:42:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:42:57,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:57,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 299 states and 517 transitions. [2023-12-02 23:42:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 517 transitions. [2023-12-02 23:42:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:42:57,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 299 states and 513 transitions. [2023-12-02 23:42:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 513 transitions. [2023-12-02 23:42:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:42:57,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:57,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 301 states and 514 transitions. [2023-12-02 23:42:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 514 transitions. [2023-12-02 23:42:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:57,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:57,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:58,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:42:58,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:08,178 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 [] [2023-12-02 23:43:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 301 states and 509 transitions. [2023-12-02 23:43:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 509 transitions. [2023-12-02 23:43:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:43:08,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:08,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:08,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:08,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 301 states and 505 transitions. [2023-12-02 23:43:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 505 transitions. [2023-12-02 23:43:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:43:08,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:08,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:08,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:08,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 301 states and 499 transitions. [2023-12-02 23:43:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 499 transitions. [2023-12-02 23:43:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:08,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:08,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:08,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:43:08,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:19,016 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 [] [2023-12-02 23:43:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 301 states and 493 transitions. [2023-12-02 23:43:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 493 transitions. [2023-12-02 23:43:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:43:19,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:19,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:19,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:43:19,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:29,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:39,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:49,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:59,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:59,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 315 states and 511 transitions. [2023-12-02 23:43:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 511 transitions. [2023-12-02 23:43:59,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:43:59,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:59,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:00,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:00,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 315 states and 509 transitions. [2023-12-02 23:44:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 509 transitions. [2023-12-02 23:44:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:44:00,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:00,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:00,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:00,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 507 transitions. [2023-12-02 23:44:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 507 transitions. [2023-12-02 23:44:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:44:00,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:00,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:00,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:10,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 315 states and 505 transitions. [2023-12-02 23:44:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 505 transitions. [2023-12-02 23:44:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:44:10,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:10,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:11,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:44:11,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:44:21,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:31,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:41,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:51,313 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 [] [2023-12-02 23:44:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 318 states and 507 transitions. [2023-12-02 23:44:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 507 transitions. [2023-12-02 23:44:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:44:51,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:51,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:51,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 318 states and 502 transitions. [2023-12-02 23:44:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 502 transitions. [2023-12-02 23:44:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:44:51,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:51,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:51,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:51,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:52,020 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 [2023-12-02 23:44:52,029 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 [2023-12-02 23:44:52,066 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:44:52,067 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-02 23:44:52,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:44:52,074 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 [2023-12-02 23:44:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:44:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 321 states and 508 transitions. [2023-12-02 23:44:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 508 transitions. [2023-12-02 23:44:52,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:44:52,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:52,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:52,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 321 states and 502 transitions. [2023-12-02 23:44:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 502 transitions. [2023-12-02 23:44:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:44:52,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:52,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:53,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:44:53,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:03,189 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 [] [2023-12-02 23:45:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 321 states and 496 transitions. [2023-12-02 23:45:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 496 transitions. [2023-12-02 23:45:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:45:03,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:03,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:03,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:45:03,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:13,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:23,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:33,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:43,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 346 states and 525 transitions. [2023-12-02 23:45:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 525 transitions. [2023-12-02 23:45:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:45:44,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:44,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:44,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:44,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 346 states and 523 transitions. [2023-12-02 23:45:44,469 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 523 transitions. [2023-12-02 23:45:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:45:44,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:44,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:44,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:44,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 346 states and 521 transitions. [2023-12-02 23:45:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 521 transitions. [2023-12-02 23:45:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 23:45:44,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:44,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:45,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:45,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:55,201 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 [] [2023-12-02 23:45:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 346 states and 519 transitions. [2023-12-02 23:45:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 519 transitions. [2023-12-02 23:45:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:45:55,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:55,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:55,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 346 states and 517 transitions. [2023-12-02 23:45:55,715 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 517 transitions. [2023-12-02 23:45:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:45:55,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:56,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:45:56,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:06,244 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 [] [2023-12-02 23:46:11,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:21,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:31,656 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 [] [2023-12-02 23:46:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 349 states and 519 transitions. [2023-12-02 23:46:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 519 transitions. [2023-12-02 23:46:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 23:46:31,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:31,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:32,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:46:32,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 349 states and 518 transitions. [2023-12-02 23:46:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 518 transitions. [2023-12-02 23:46:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:46:32,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:32,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:32,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:46:32,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:46:43,182 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 [] [2023-12-02 23:46:53,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:03,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:13,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 363 states and 537 transitions. [2023-12-02 23:47:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 537 transitions. [2023-12-02 23:47:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:47:13,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:13,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:13,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:47:13,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:47:24,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:34,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:44,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:54,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:05,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:15,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:25,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:35,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:45,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:55,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:05,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:15,734 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 [] [2023-12-02 23:49:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 435 states and 633 transitions. [2023-12-02 23:49:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 633 transitions. [2023-12-02 23:49:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 23:49:15,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:15,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:16,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:49:16,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:49:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 435 states and 629 transitions. [2023-12-02 23:49:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 629 transitions. [2023-12-02 23:49:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 23:49:16,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:16,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:16,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:49:16,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:49:26,675 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 [] [2023-12-02 23:49:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:26,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 435 states and 627 transitions. [2023-12-02 23:49:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 627 transitions. [2023-12-02 23:49:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:49:26,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:26,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:27,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:49:27,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:49:37,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:47,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:57,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:07,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 438 states and 629 transitions. [2023-12-02 23:50:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 629 transitions. [2023-12-02 23:50:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:50:07,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:07,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:07,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:50:07,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:50:18,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:28,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:38,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:48,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 441 states and 631 transitions. [2023-12-02 23:50:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 631 transitions. [2023-12-02 23:50:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:50:48,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:48,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:50:48,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:50:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 441 states and 629 transitions. [2023-12-02 23:50:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 629 transitions. [2023-12-02 23:50:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:50:48,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:49,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:50:49,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:50:59,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:09,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:19,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:29,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 444 states and 631 transitions. [2023-12-02 23:51:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 631 transitions. [2023-12-02 23:51:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:51:29,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:51:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:29,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:51:29,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:51:39,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:49,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:00,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:10,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 447 states and 633 transitions. [2023-12-02 23:52:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 633 transitions. [2023-12-02 23:52:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 23:52:10,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:10,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:10,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:52:10,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:52:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 456 states and 640 transitions. [2023-12-02 23:52:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 640 transitions. [2023-12-02 23:52:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 23:52:10,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:10,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:11,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:52:11,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:52:21,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:31,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:41,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:51,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 488 states and 679 transitions. [2023-12-02 23:52:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 679 transitions. [2023-12-02 23:52:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 23:52:51,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:51,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:52,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:52:52,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:52:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 497 states and 690 transitions. [2023-12-02 23:52:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 690 transitions. [2023-12-02 23:52:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 23:52:52,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:52,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:53,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:52:53,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:52:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 498 states and 692 transitions. [2023-12-02 23:52:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 692 transitions. [2023-12-02 23:52:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 23:52:53,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:53,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:54,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:52:54,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 23:53:04,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:14,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:24,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:34,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 501 states and 694 transitions. [2023-12-02 23:53:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 694 transitions. [2023-12-02 23:53:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 23:53:34,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:34,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:35,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:53:35,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:35,134 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:53:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 501 states and 692 transitions. [2023-12-02 23:53:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 692 transitions. [2023-12-02 23:53:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-02 23:53:35,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:35,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:35,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:53:35,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:53:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:53:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 504 states and 694 transitions. [2023-12-02 23:53:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 694 transitions. [2023-12-02 23:53:36,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 23:53:36,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:53:47,416 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) [2023-12-02 23:53:47,419 INFO L158 Benchmark]: Toolchain (without parser) took 658181.83ms. Allocated memory was 165.7MB in the beginning and 469.8MB in the end (delta: 304.1MB). Free memory was 123.5MB in the beginning and 264.3MB in the end (delta: -140.7MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2023-12-02 23:53:47,419 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:53:47,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.98ms. Allocated memory is still 165.7MB. Free memory was 123.5MB in the beginning and 88.1MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 23:53:47,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.42ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 88.1MB in the beginning and 155.8MB in the end (delta: -67.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-02 23:53:47,421 INFO L158 Benchmark]: Boogie Preprocessor took 156.61ms. Allocated memory is still 199.2MB. Free memory was 155.8MB in the beginning and 135.2MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:53:47,421 INFO L158 Benchmark]: RCFGBuilder took 6838.40ms. Allocated memory was 199.2MB in the beginning and 325.1MB in the end (delta: 125.8MB). Free memory was 135.2MB in the beginning and 96.3MB in the end (delta: 38.9MB). Peak memory consumption was 201.4MB. Max. memory is 16.1GB. [2023-12-02 23:53:47,421 INFO L158 Benchmark]: CodeCheck took 650128.09ms. Allocated memory was 325.1MB in the beginning and 469.8MB in the end (delta: 144.7MB). Free memory was 96.3MB in the beginning and 264.3MB in the end (delta: -168.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:53:47,424 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 0.22ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.98ms. Allocated memory is still 165.7MB. Free memory was 123.5MB in the beginning and 88.1MB in the end (delta: 35.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.42ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 88.1MB in the beginning and 155.8MB in the end (delta: -67.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.61ms. Allocated memory is still 199.2MB. Free memory was 155.8MB in the beginning and 135.2MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 6838.40ms. Allocated memory was 199.2MB in the beginning and 325.1MB in the end (delta: 125.8MB). Free memory was 135.2MB in the beginning and 96.3MB in the end (delta: 38.9MB). Peak memory consumption was 201.4MB. Max. memory is 16.1GB. * CodeCheck took 650128.09ms. Allocated memory was 325.1MB in the beginning and 469.8MB in the end (delta: 144.7MB). Free memory was 96.3MB in the beginning and 264.3MB in the end (delta: -168.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:53:47,634 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:53:47,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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 93cc62483e7301c05d7788622f4f3fa5962cd13b8481778ecaf6adfc0416e51e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:53:49,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:53:49,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:53:49,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:53:49,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:53:49,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:53:49,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:53:49,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:53:49,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:53:49,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:53:49,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:53:49,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:53:49,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:53:49,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:53:49,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:53:49,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:53:49,527 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:53:49,528 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:53:49,528 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:53:49,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:53:49,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:53:49,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:53:49,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:53:49,531 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:53:49,531 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:53:49,532 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:49,532 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:53:49,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:53:49,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:53:49,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:53:49,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:53:49,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:53:49,535 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:53:49,535 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:49,535 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:53:49,535 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:53:49,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:53:49,536 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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cc62483e7301c05d7788622f4f3fa5962cd13b8481778ecaf6adfc0416e51e [2023-12-02 23:53:49,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:53:49,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:53:49,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:53:49,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:53:49,873 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:53:49,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i [2023-12-02 23:53:52,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:53:52,953 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:53:52,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i [2023-12-02 23:53:52,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data/c9999c526/c58f41451ab04c19a51122570fe9e8e2/FLAG8f6b6ab4b [2023-12-02 23:53:52,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/data/c9999c526/c58f41451ab04c19a51122570fe9e8e2 [2023-12-02 23:53:52,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:53:52,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:53:52,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:53:52,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:53:53,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:53:53,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:52" (1/1) ... [2023-12-02 23:53:53,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af3e04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:53, skipping insertion in model container [2023-12-02 23:53:53,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:52" (1/1) ... [2023-12-02 23:53:53,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:53:53,566 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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i[33022,33035] [2023-12-02 23:53:53,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:53,801 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:53:53,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:53:53,872 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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i[33022,33035] [2023-12-02 23:53:53,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:53,995 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:53:54,022 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_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-3.i[33022,33035] [2023-12-02 23:53:54,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:54,133 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:53:54,141 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:53:54,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54 WrapperNode [2023-12-02 23:53:54,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:53:54,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:53:54,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:53:54,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:53:54,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,294 INFO L138 Inliner]: procedures = 180, calls = 623, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2484 [2023-12-02 23:53:54,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:53:54,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:53:54,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:53:54,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:53:54,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:53:54,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:53:54,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:53:54,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:53:54,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:54" (1/1) ... [2023-12-02 23:53:54,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:53:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:53:54,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:53:54,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:53:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:53:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-02 23:53:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-02 23:53:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:53:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:53:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:53:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:53:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:53:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:53:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:53:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:53:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:53:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:53:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:53:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:53:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:53:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:53:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:53:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:53:54,762 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:53:54,764 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:54:24,462 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:54:25,391 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:54:25,391 INFO L309 CfgBuilder]: Removed 168 assume(true) statements. [2023-12-02 23:54:25,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:25 BoogieIcfgContainer [2023-12-02 23:54:25,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:54:25,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:54:25,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:54:25,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:54:25,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:25" (1/1) ... [2023-12-02 23:54:25,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:54:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 299 states and 521 transitions. [2023-12-02 23:54:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 521 transitions. [2023-12-02 23:54:25,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:54:25,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:25,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:25,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:25,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:25,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:54:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:25,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:26,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:26,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:26,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:54:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 299 states and 517 transitions. [2023-12-02 23:54:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 517 transitions. [2023-12-02 23:54:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:54:26,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:26,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:26,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:54:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:26,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:26,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:26,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:26,777 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:54:26,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:54:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 299 states and 513 transitions. [2023-12-02 23:54:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 513 transitions. [2023-12-02 23:54:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:54:26,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:26,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:26,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:26,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:26,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:54:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:27,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:27,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:27,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:27,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:54:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 299 states and 511 transitions. [2023-12-02 23:54:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 511 transitions. [2023-12-02 23:54:27,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:54:27,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:27,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:27,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:27,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:27,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:54:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:27,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:28,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:28,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:28,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:54:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:28,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 299 states and 509 transitions. [2023-12-02 23:54:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 509 transitions. [2023-12-02 23:54:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:54:28,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:28,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:28,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:28,124 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:28,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:54:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:28,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:28,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:54:28,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:28,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:28,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:28,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:28,816 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 [2023-12-02 23:54:28,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:54:28,909 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 [2023-12-02 23:54:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:28,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:54:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 301 states and 512 transitions. [2023-12-02 23:54:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 512 transitions. [2023-12-02 23:54:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:54:29,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:29,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:29,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:29,349 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:29,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:54:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:29,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:29,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:29,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:29,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:54:29,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 301 states and 509 transitions. [2023-12-02 23:54:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 509 transitions. [2023-12-02 23:54:29,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:54:29,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:29,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:29,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:29,981 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:29,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:54:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:30,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:30,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:30,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:30,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:54:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 301 states and 505 transitions. [2023-12-02 23:54:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 505 transitions. [2023-12-02 23:54:30,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:54:30,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:30,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:30,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:30,636 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:30,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:54:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:31,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:31,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:31,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:31,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:54:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 301 states and 499 transitions. [2023-12-02 23:54:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 499 transitions. [2023-12-02 23:54:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:54:31,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:31,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:31,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:31,335 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:31,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:54:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:31,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:32,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:32,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:32,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:54:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 301 states and 493 transitions. [2023-12-02 23:54:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 493 transitions. [2023-12-02 23:54:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:54:32,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:32,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:32,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:32,850 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:32,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:54:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:33,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:33,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:33,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:33,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-02 23:54:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 315 states and 511 transitions. [2023-12-02 23:54:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 511 transitions. [2023-12-02 23:54:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:54:35,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:35,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:35,661 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:35,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:54:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:36,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:36,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:36,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:36,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:54:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 315 states and 509 transitions. [2023-12-02 23:54:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 509 transitions. [2023-12-02 23:54:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:54:36,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:36,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:36,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:36,646 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:36,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:54:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:37,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:37,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:37,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:37,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:54:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 507 transitions. [2023-12-02 23:54:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 507 transitions. [2023-12-02 23:54:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:54:37,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:37,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:37,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:37,594 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:37,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:54:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:38,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:38,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:38,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:38,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:54:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 315 states and 505 transitions. [2023-12-02 23:54:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 505 transitions. [2023-12-02 23:54:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:54:38,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:38,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:38,713 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:38,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:54:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:39,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:39,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:39,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:39,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:54:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:39,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 318 states and 507 transitions. [2023-12-02 23:54:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 507 transitions. [2023-12-02 23:54:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:54:39,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:39,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:39,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:39,948 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:39,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:54:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:40,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:41,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:41,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:41,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:41,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:54:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 318 states and 502 transitions. [2023-12-02 23:54:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 502 transitions. [2023-12-02 23:54:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:54:41,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:41,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:41,095 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:41,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:54:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:41,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:42,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:54:42,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:42,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:54:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:42,263 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:42,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:42,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:42,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:42,265 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:42,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:54:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:43,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:43,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:43,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:43,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:54:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:43,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:43,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:43,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:43,805 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:43,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:54:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:44,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:45,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:45,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:45,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:54:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:45,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:45,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:45,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:45,227 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:45,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:54:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:46,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:46,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:46,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:46,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-02 23:54:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:46,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:46,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:46,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:46,789 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:46,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:54:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:47,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:48,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:48,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:48,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:54:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:48,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:48,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:48,239 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:48,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:54:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:49,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:49,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:49,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:49,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:54:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:49,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:49,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:49,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:49,742 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:49,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:54:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:50,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:51,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:51,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:51,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:54:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:51,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:51,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:51,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:51,295 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:51,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:54:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:52,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:52,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:52,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:52,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:54:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:52,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:52,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:52,907 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:52,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:54:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:54,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:54,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:54,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:54,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:54:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:54,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:54,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:54,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:54,603 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:54,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:54:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:55,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:56,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:56,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:56,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-02 23:54:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:56,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:56,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:56,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:56,353 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:56,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:54:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:57,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:58,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:58,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:58,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:54:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:58,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:58,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:58,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:58,045 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:58,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:54:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:59,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:54:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:59,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:54:59,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:59,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:54:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:54:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:54:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:54:59,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:59,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:54:59,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:54:59,764 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:54:59,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:55:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:01,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:01,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:01,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:01,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:55:01,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:01,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:01,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:01,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:01,521 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:01,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:55:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:02,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:03,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:03,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:03,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:55:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:03,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:03,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:03,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:03,204 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:03,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:55:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:04,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:05,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:05,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:05,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-02 23:55:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:05,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:05,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:05,080 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:05,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:55:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:06,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:07,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:07,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:07,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:07,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:55:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:07,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:07,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:07,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:07,137 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:07,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:55:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:08,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:08,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:08,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:08,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:55:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:08,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:08,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:08,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:08,913 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:08,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:55:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:10,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:10,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:10,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:10,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:55:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:10,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:10,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:10,844 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:10,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:55:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:12,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:12,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:12,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:12,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:12,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:55:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:12,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:12,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:12,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:12,935 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:12,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:55:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:14,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:14,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:14,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:15,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:55:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:15,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:15,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:15,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:15,026 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:15,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:55:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:16,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:17,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:17,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:17,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:55:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:17,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:17,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:17,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:17,188 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:17,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:55:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:18,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:19,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:19,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:19,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:55:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:19,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:19,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:19,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:19,298 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:19,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:55:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:21,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:21,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:21,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:21,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:55:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:21,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:21,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:21,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:21,493 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:21,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:55:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:23,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:23,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:23,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:23,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:55:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:23,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:23,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:23,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:23,841 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:23,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:55:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:25,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:26,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:26,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:26,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:55:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:26,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:26,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:26,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:26,180 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:26,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:55:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:27,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:28,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:28,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:28,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:55:28,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:28,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:28,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:28,387 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:28,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:55:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:30,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:30,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:30,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:30,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:55:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:30,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:30,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:30,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:30,666 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:30,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:55:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:32,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:32,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:32,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:33,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:55:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:33,018 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:33,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:33,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:33,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:33,020 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:33,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:55:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:34,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:35,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:35,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:35,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:35,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:55:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:35,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:35,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:35,355 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:35,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:55:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:37,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:37,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:37,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:37,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 23:55:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:37,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:37,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:37,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:37,869 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:37,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:55:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:40,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:40,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:40,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:40,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-02 23:55:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:40,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:40,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:40,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:40,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:40,428 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:40,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:55:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:42,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:42,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:42,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:42,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:55:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:42,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:42,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:42,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:42,883 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:42,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:55:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:45,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:45,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:45,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:45,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:55:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:45,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:45,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:45,558 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:45,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:55:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:47,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:48,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:48,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:48,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:48,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:55:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:48,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:48,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:48,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:48,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:48,272 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:48,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:55:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:50,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:50,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:50,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:51,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:55:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:51,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:51,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:51,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:51,023 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:51,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:55:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:53,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:53,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:53,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:53,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:55:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:53,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:53,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:53,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:53,707 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:53,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:55:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:55,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:56,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:56,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:56,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:55:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:56,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:56,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:56,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:56,283 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:56,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:55:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:58,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:55:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:59,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:55:59,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:55:59,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:55:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:55:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:55:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:55:59,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:59,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:55:59,106 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:55:59,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:56:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:01,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:01,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:01,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:01,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-02 23:56:01,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:01,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:01,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:01,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:01,999 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:01,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:56:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:04,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:04,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:04,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:04,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:56:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:04,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:04,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:04,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:04,813 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:04,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:56:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:07,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:07,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:07,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:07,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:56:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:07,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:07,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:07,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:07,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:07,636 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:07,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:56:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:10,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:10,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:10,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:10,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:56:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:10,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:10,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:10,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:10,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:10,605 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:10,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:56:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:13,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:13,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:13,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:13,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:56:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:13,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:13,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:13,650 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:13,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:56:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:16,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:16,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:16,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:16,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 23:56:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:16,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:16,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:16,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:16,827 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:16,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:56:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:19,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:19,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:19,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:19,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:56:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:19,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:19,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:19,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:19,929 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:19,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:56:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:22,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:22,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:22,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:22,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:56:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:22,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:22,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:22,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:22,897 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:22,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:56:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:25,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:26,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:26,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:26,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:56:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:26,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:26,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:26,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:26,080 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:26,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:56:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:28,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:29,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:29,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:29,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:56:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:29,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:29,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:29,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:29,332 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:29,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:56:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:32,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:32,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:32,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:32,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:56:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:32,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:32,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:32,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:32,588 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:32,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:56:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:35,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:35,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:35,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:35,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 23:56:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:35,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:35,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:35,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:35,961 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:35,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:56:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:39,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:39,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:39,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:39,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:56:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:39,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:39,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:39,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:39,487 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:39,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:56:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:42,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:42,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:42,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:42,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:56:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:42,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:42,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:42,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:42,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:42,833 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:42,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:56:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:45,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:46,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:46,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:46,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:56:46,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:46,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:46,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:46,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:46,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:46,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:46,247 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:46,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:56:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:49,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:49,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:49,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:49,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:56:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:49,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:49,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:49,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:49,656 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:49,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:56:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:52,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:53,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:53,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:53,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 23:56:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:53,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:53,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:53,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:53,181 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:53,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:56:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:56,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:56,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:56:56,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:56:56,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-02 23:56:56,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-02 23:56:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-02 23:56:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:56:56,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:56,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:56,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:56,602 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:56,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80de409-a8fd-49c3-9f51-57f4bc7f9ee1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process