./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/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_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/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 64bit --witnessprinter.graph.data.programhash 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:57:12,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:57:12,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:57:12,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:57:12,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:57:12,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:57:12,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:57:12,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:57:12,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:57:12,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:57:12,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:57:12,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:57:12,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:57:12,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:57:12,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:57:12,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:57:12,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:57:12,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:57:12,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:57:12,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:57:12,269 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:57:12,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:57:12,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:57:12,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:57:12,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:57:12,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:57:12,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:57:12,273 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:57:12,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:57:12,274 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:57:12,274 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_7a03043a-fd9e-47e1-addf-2aa524225985/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 [2023-12-02 22:57:12,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:57:12,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:57:12,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:57:12,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:57:12,556 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:57:12,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2023-12-02 22:57:15,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:57:15,644 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:57:15,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2023-12-02 22:57:15,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data/3413b4753/6fe9514a9d6445df92c3c5c63f5d6d46/FLAG8c6aaf831 [2023-12-02 22:57:15,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data/3413b4753/6fe9514a9d6445df92c3c5c63f5d6d46 [2023-12-02 22:57:15,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:57:15,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:57:15,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:57:15,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:57:15,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:57:15,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:15" (1/1) ... [2023-12-02 22:57:15,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7959402f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:15, skipping insertion in model container [2023-12-02 22:57:15,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:15" (1/1) ... [2023-12-02 22:57:15,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:57:15,964 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_7a03043a-fd9e-47e1-addf-2aa524225985/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2023-12-02 22:57:16,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:57:16,230 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:57:16,244 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_7a03043a-fd9e-47e1-addf-2aa524225985/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2023-12-02 22:57:16,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:57:16,396 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:57:16,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16 WrapperNode [2023-12-02 22:57:16,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:57:16,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:57:16,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:57:16,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:57:16,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,769 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2735 [2023-12-02 22:57:16,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:57:16,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:57:16,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:57:16,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:57:16,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:16,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:17,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:57:17,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:57:17,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:57:17,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:57:17,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:16" (1/1) ... [2023-12-02 22:57:17,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:57:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:57:17,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:57:17,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:57:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:57:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:57:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:57:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:57:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:57:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:57:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:57:17,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:57:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:57:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:57:17,493 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:57:17,495 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:57:20,002 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:57:22,482 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:57:22,482 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-02 22:57:22,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:57:22 BoogieIcfgContainer [2023-12-02 22:57:22,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:57:22,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:57:22,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:57:22,494 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:57:22,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:57:22" (1/1) ... [2023-12-02 22:57:22,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:57:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-12-02 22:57:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-12-02 22:57:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:57:22,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:22,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:25,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-12-02 22:57:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-12-02 22:57:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:57:25,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-12-02 22:57:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-12-02 22:57:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:57:26,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:26,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-02 22:57:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-02 22:57:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:57:27,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:27,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-12-02 22:57:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-12-02 22:57:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:57:27,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:27,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-12-02 22:57:28,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-12-02 22:57:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:57:28,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:28,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-02 22:57:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-02 22:57:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:57:29,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:29,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-12-02 22:57:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-12-02 22:57:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 22:57:30,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:30,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:57:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-12-02 22:57:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-12-02 22:57:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:57:31,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:31,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-12-02 22:57:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-12-02 22:57:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 22:57:31,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-12-02 22:57:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-12-02 22:57:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:57:32,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:32,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-12-02 22:57:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-12-02 22:57:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:57:33,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:33,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-12-02 22:57:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-12-02 22:57:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:57:34,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:34,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-12-02 22:57:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-12-02 22:57:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:57:34,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-12-02 22:57:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-12-02 22:57:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:57:35,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:35,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-12-02 22:57:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-12-02 22:57:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:57:36,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:36,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:57:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-12-02 22:57:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-12-02 22:57:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:57:37,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:37,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:57:51,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:55,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:06,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:16,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2023-12-02 22:58:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2023-12-02 22:58:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 22:58:16,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:16,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:58:27,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-12-02 22:58:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-12-02 22:58:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 22:58:27,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:27,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:58:39,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:39,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2023-12-02 22:58:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-12-02 22:58:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:58:39,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:58:51,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2023-12-02 22:58:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-12-02 22:58:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 22:58:51,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:51,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:59:03,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-12-02 22:59:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-12-02 22:59:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:59:03,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:03,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:59:15,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-12-02 22:59:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-12-02 22:59:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:59:15,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:15,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:59:27,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 74 transitions. [2023-12-02 22:59:27,508 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-12-02 22:59:27,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 22:59:27,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:27,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:59:39,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 75 transitions. [2023-12-02 22:59:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-02 22:59:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 22:59:39,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:39,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:59:51,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2023-12-02 22:59:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-02 22:59:51,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 22:59:51,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:51,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:03,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:00:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2023-12-02 23:00:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-12-02 23:00:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 23:00:03,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:03,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2023-12-02 23:00:04,657 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-12-02 23:00:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 23:00:04,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:04,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 79 transitions. [2023-12-02 23:00:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-12-02 23:00:06,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:00:06,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2023-12-02 23:00:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-12-02 23:00:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 23:00:07,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2023-12-02 23:00:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2023-12-02 23:00:09,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:00:09,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:09,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2023-12-02 23:00:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2023-12-02 23:00:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 23:00:11,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:11,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:13,842 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2023-12-02 23:00:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2023-12-02 23:00:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:00:14,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:14,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 23:00:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2023-12-02 23:00:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2023-12-02 23:00:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:00:16,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:17,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2023-12-02 23:00:17,757 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2023-12-02 23:00:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:00:17,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:17,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2023-12-02 23:00:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2023-12-02 23:00:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 23:00:19,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:19,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 71 states and 87 transitions. [2023-12-02 23:00:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2023-12-02 23:00:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 23:00:20,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:20,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2023-12-02 23:00:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2023-12-02 23:00:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 23:00:22,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:22,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2023-12-02 23:00:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2023-12-02 23:00:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 23:00:24,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:24,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 74 states and 90 transitions. [2023-12-02 23:00:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2023-12-02 23:00:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 23:00:26,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:26,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2023-12-02 23:00:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2023-12-02 23:00:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 23:00:28,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:28,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 23:00:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2023-12-02 23:00:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2023-12-02 23:00:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:00:31,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:31,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 77 states and 93 transitions. [2023-12-02 23:00:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-12-02 23:00:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 23:00:32,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2023-12-02 23:00:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2023-12-02 23:00:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 23:00:34,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:36,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:36,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2023-12-02 23:00:36,053 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2023-12-02 23:00:36,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 23:00:36,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:37,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 96 transitions. [2023-12-02 23:00:37,919 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2023-12-02 23:00:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:00:37,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:37,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:39,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-12-02 23:00:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-12-02 23:00:39,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 23:00:39,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:39,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-12-02 23:00:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-12-02 23:00:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 23:00:42,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-12-02 23:00:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-12-02 23:00:44,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 23:00:44,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:44,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-02 23:00:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-12-02 23:00:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-12-02 23:00:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 23:00:47,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:02:04,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:03:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:04:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:04:03,841 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 23:04:03,844 INFO L158 Benchmark]: Toolchain (without parser) took 408163.13ms. Allocated memory was 138.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 103.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 726.6MB. Max. memory is 16.1GB. [2023-12-02 23:04:03,844 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:04:03,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.18ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 95.0MB in the end (delta: 8.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2023-12-02 23:04:03,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 371.78ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 70.9MB in the end (delta: 24.0MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-12-02 23:04:03,845 INFO L158 Benchmark]: Boogie Preprocessor took 265.49ms. Allocated memory is still 138.4MB. Free memory was 70.9MB in the beginning and 50.8MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:04:03,846 INFO L158 Benchmark]: RCFGBuilder took 5447.19ms. Allocated memory was 138.4MB in the beginning and 375.4MB in the end (delta: 237.0MB). Free memory was 50.4MB in the beginning and 147.8MB in the end (delta: -97.4MB). Peak memory consumption was 215.3MB. Max. memory is 16.1GB. [2023-12-02 23:04:03,846 INFO L158 Benchmark]: CodeCheck took 401358.42ms. Allocated memory was 375.4MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 147.8MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 531.3MB. Max. memory is 16.1GB. [2023-12-02 23:04:03,849 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 0.24ms. Allocated memory is still 107.0MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.18ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 95.0MB in the end (delta: 8.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 371.78ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 70.9MB in the end (delta: 24.0MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 265.49ms. Allocated memory is still 138.4MB. Free memory was 70.9MB in the beginning and 50.8MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5447.19ms. Allocated memory was 138.4MB in the beginning and 375.4MB in the end (delta: 237.0MB). Free memory was 50.4MB in the beginning and 147.8MB in the end (delta: -97.4MB). Peak memory consumption was 215.3MB. Max. memory is 16.1GB. * CodeCheck took 401358.42ms. Allocated memory was 375.4MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 147.8MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 531.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:04:03,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/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_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/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 64bit --witnessprinter.graph.data.programhash 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:04:05,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:04:05,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:04:05,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:04:05,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:04:05,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:04:05,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:04:05,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:04:05,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:04:05,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:04:05,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:04:05,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:04:05,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:04:05,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:04:05,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:04:05,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:04:05,887 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:04:05,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:04:05,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:04:05,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:04:05,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:04:05,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:04:05,890 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:05,891 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:04:05,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:04:05,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:04:05,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:04:05,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:04:05,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:04:05,893 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:04:05,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:05,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:04:05,894 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:04:05,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:04:05,895 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_7a03043a-fd9e-47e1-addf-2aa524225985/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 [2023-12-02 23:04:06,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:04:06,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:04:06,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:04:06,183 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:04:06,183 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:04:06,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2023-12-02 23:04:08,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:04:09,265 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:04:09,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2023-12-02 23:04:09,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data/142a44d26/5f8c58d8e81347b9a02d34f9c408ac7b/FLAGe6e798517 [2023-12-02 23:04:09,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/data/142a44d26/5f8c58d8e81347b9a02d34f9c408ac7b [2023-12-02 23:04:09,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:04:09,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:04:09,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:04:09,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:04:09,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:04:09,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:09,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c68a9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09, skipping insertion in model container [2023-12-02 23:04:09,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:09,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:04:09,544 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_7a03043a-fd9e-47e1-addf-2aa524225985/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2023-12-02 23:04:09,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:04:09,734 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:04:09,747 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_7a03043a-fd9e-47e1-addf-2aa524225985/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2023-12-02 23:04:09,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:04:09,881 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:04:09,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09 WrapperNode [2023-12-02 23:04:09,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:04:09,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:04:09,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:04:09,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:04:09,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:09,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:09,978 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 967 [2023-12-02 23:04:09,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:04:09,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:04:09,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:04:09,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:04:09,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:09,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:04:10,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:04:10,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:04:10,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:04:10,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:09" (1/1) ... [2023-12-02 23:04:10,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:04:10,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:04:10,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:04:10,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:04:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:04:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:04:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:04:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:04:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:04:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:04:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:04:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:04:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 23:04:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:04:10,343 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:04:10,345 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:04:11,108 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:04:11,299 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:04:11,300 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-02 23:04:11,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:04:11 BoogieIcfgContainer [2023-12-02 23:04:11,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:04:11,302 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:04:11,302 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:04:11,312 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:04:11,312 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:04:11" (1/1) ... [2023-12-02 23:04:11,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:04:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-12-02 23:04:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-12-02 23:04:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:04:11,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:11,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:11,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:11,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:11,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:04:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:11,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:12,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:04:12,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:04:12,127 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:04:12,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:04:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-12-02 23:04:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-12-02 23:04:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:04:12,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:12,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:12,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:12,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:12,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:04:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:12,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:12,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:04:12,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 23:04:12,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:04:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-12-02 23:04:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-12-02 23:04:12,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:04:12,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:12,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:12,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:12,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:12,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:04:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:13,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:13,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:04:13,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 23:04:13,507 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:04:13,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:04:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-02 23:04:13,565 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-02 23:04:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:04:13,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:13,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:13,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:13,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:13,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:04:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:13,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:14,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:04:14,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 23:04:14,188 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:04:14,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:04:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-12-02 23:04:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-12-02 23:04:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:04:14,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:14,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:14,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:14,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:14,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:04:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:14,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:14,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:14,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 23:04:14,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:04:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-12-02 23:04:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-12-02 23:04:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:04:14,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:14,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:14,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:14,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:14,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:04:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:15,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:15,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:04:15,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 23:04:15,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:04:15,596 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:04:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-02 23:04:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-02 23:04:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:04:15,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:15,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:15,677 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:15,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:04:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:16,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:16,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:16,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:04:16,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:04:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-12-02 23:04:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-12-02 23:04:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:04:16,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:16,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:16,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:16,314 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:16,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:04:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:16,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:16,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:04:16,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:04:16,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:04:16,795 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:04:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-12-02 23:04:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-12-02 23:04:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:04:16,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:16,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:16,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:16,878 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:16,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:04:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:17,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:17,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:04:17,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:04:17,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:04:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-12-02 23:04:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-12-02 23:04:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:04:17,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:17,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:17,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:17,526 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:17,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:04:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:17,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:18,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:04:18,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:04:18,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:04:18,159 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:04:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-12-02 23:04:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-12-02 23:04:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:04:18,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:18,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:18,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:18,284 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:18,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:04:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:18,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:18,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:04:18,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:04:19,315 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:04:19,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:04:21,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:21,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2023-12-02 23:04:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2023-12-02 23:04:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:04:21,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:21,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:21,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:21,597 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:21,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:04:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:22,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:22,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:04:22,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-02 23:04:22,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:04:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-12-02 23:04:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-12-02 23:04:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:04:22,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:22,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:22,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:22,893 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:22,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:04:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:23,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:23,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:04:23,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:04:24,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:04:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2023-12-02 23:04:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-12-02 23:04:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:04:24,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:24,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:24,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:24,210 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:24,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:04:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:24,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:25,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:04:25,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-12-02 23:04:25,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:04:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2023-12-02 23:04:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2023-12-02 23:04:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:04:25,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:25,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:25,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:25,536 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:25,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:04:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:26,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:26,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:04:26,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 23:04:26,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:04:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2023-12-02 23:04:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2023-12-02 23:04:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:04:26,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:26,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:26,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:26,683 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:26,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:04:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:27,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:27,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:04:27,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 23:04:27,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:04:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2023-12-02 23:04:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-12-02 23:04:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:04:28,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:28,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:28,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:28,141 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:28,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:04:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:28,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:29,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:04:29,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 23:04:29,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:04:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2023-12-02 23:04:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-12-02 23:04:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:04:29,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:29,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:29,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:29,685 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:29,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:04:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:30,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:30,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:04:30,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 23:04:30,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:04:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2023-12-02 23:04:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2023-12-02 23:04:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:04:31,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:31,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:31,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:31,126 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:31,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:04:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:31,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:32,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:04:32,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 23:04:32,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:04:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2023-12-02 23:04:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2023-12-02 23:04:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:04:32,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:32,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:32,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:32,579 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:32,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:04:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:33,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:33,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:33,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 23:04:33,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:04:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2023-12-02 23:04:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2023-12-02 23:04:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 23:04:34,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:34,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:34,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:34,196 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:34,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:04:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:35,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:35,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:04:35,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 23:04:35,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:04:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2023-12-02 23:04:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-12-02 23:04:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:04:35,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:35,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:35,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:35,863 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:35,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:04:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:36,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:37,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:37,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 23:04:37,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:04:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2023-12-02 23:04:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2023-12-02 23:04:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 23:04:37,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:37,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:37,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:37,566 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:37,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:04:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:38,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:38,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:04:38,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 23:04:38,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:04:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2023-12-02 23:04:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-12-02 23:04:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:04:39,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:39,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:39,272 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:39,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:04:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:40,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:40,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:40,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-02 23:04:40,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:04:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2023-12-02 23:04:40,886 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-12-02 23:04:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 23:04:40,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:40,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:40,888 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:40,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:04:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:41,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:42,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:04:42,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-02 23:04:42,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:04:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2023-12-02 23:04:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-12-02 23:04:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:04:42,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:42,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:42,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:42,644 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:42,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:04:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:43,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:43,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:43,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-02 23:04:44,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:04:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2023-12-02 23:04:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2023-12-02 23:04:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 23:04:44,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:44,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:44,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:44,449 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:44,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:04:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:45,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:45,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:04:45,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-02 23:04:45,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:04:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2023-12-02 23:04:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-12-02 23:04:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 23:04:46,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:46,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:46,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:46,216 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:46,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:04:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:47,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:47,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:04:47,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-12-02 23:04:47,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:04:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:48,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2023-12-02 23:04:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-12-02 23:04:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:04:48,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:48,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:48,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:48,570 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:48,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:04:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:49,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:49,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:04:49,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-12-02 23:04:50,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:04:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2023-12-02 23:04:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-12-02 23:04:50,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 23:04:50,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:50,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:50,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:50,964 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:50,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:04:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:51,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:52,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:04:52,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-02 23:04:52,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:04:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2023-12-02 23:04:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-12-02 23:04:53,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:04:53,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:53,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:53,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:53,335 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:53,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:04:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:54,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:54,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:04:54,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-02 23:04:54,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-02 23:04:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2023-12-02 23:04:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-12-02 23:04:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 23:04:55,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:55,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:55,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:55,719 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:55,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:04:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:56,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:57,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:04:57,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-12-02 23:04:57,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:04:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2023-12-02 23:04:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-12-02 23:04:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:04:57,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:57,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:57,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:57,880 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:57,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:04:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:58,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:59,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:04:59,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-12-02 23:04:59,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:04:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2023-12-02 23:04:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-12-02 23:04:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:04:59,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:59,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:59,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:59,954 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:59,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:05:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:00,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:01,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:05:01,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 23:05:01,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:05:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2023-12-02 23:05:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-12-02 23:05:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:05:02,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:02,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:02,122 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:02,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:05:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:03,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:03,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:05:03,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 23:05:03,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:05:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2023-12-02 23:05:04,403 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-12-02 23:05:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 23:05:04,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:04,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:04,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:04,405 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:04,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:05:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:05,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:05,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:05:05,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-02 23:05:05,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:05:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-12-02 23:05:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-12-02 23:05:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 23:05:06,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:06,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:06,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:06,637 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:06,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:05:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:07,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:07,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:05:07,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-12-02 23:05:08,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 23:05:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-12-02 23:05:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-12-02 23:05:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 23:05:08,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:08,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:08,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:08,974 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:08,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:05:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:10,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:10,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:05:10,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-12-02 23:05:10,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:05:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-12-02 23:05:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-12-02 23:05:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 23:05:11,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:11,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:11,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:11,399 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:11,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:05:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:12,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:12,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:05:12,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 62 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-12-02 23:05:13,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-02 23:05:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2023-12-02 23:05:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2023-12-02 23:05:13,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 23:05:13,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:13,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:13,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:13,917 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:13,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:05:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:15,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:15,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:05:15,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-12-02 23:05:15,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:05:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2023-12-02 23:05:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2023-12-02 23:05:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 23:05:16,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:16,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:16,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:16,867 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:16,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:05:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:18,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:18,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:05:18,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-12-02 23:05:18,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2023-12-02 23:05:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2023-12-02 23:05:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2023-12-02 23:05:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:05:20,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:20,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:20,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:20,013 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:20,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:05:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:21,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:21,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:05:21,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-12-02 23:05:21,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-02 23:05:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 77 states and 93 transitions. [2023-12-02 23:05:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-12-02 23:05:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 23:05:22,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:22,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:22,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:22,872 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:22,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:05:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:24,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:24,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:05:24,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-12-02 23:05:24,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:05:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2023-12-02 23:05:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2023-12-02 23:05:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 23:05:25,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:25,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:25,661 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:25,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:05:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:26,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:27,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:05:27,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 23:05:27,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:05:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2023-12-02 23:05:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2023-12-02 23:05:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 23:05:28,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:28,465 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:28,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:05:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:29,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:30,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:05:30,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 23:05:30,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:05:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-12-02 23:05:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-12-02 23:05:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:05:31,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:31,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:31,303 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:31,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:05:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:32,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:32,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:05:32,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-02 23:05:33,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:05:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2023-12-02 23:05:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-12-02 23:05:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 23:05:34,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:34,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:34,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:34,053 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:34,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:05:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:35,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:35,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:05:35,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-02 23:05:35,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-02 23:05:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:36,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2023-12-02 23:05:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2023-12-02 23:05:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 23:05:36,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:36,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:36,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:36,956 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:36,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:05:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:38,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:38,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:05:38,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 23:05:38,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:05:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2023-12-02 23:05:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2023-12-02 23:05:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 23:05:39,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:39,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:39,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:39,859 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:39,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:05:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:41,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:41,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:05:41,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 23:05:41,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:05:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2023-12-02 23:05:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2023-12-02 23:05:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 23:05:42,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:42,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:42,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:42,801 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:42,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:05:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:44,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:44,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 89 conjunts are in the unsatisfiable core [2023-12-02 23:05:44,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 12 proven. 31 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-12-02 23:05:51,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:07:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 144 states and 174 transitions. [2023-12-02 23:07:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 174 transitions. [2023-12-02 23:07:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 23:07:44,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:44,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:44,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:44,435 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:44,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:07:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:47,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:48,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 2209 conjuncts, 154 conjunts are in the unsatisfiable core [2023-12-02 23:07:48,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 17 proven. 385 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2023-12-02 23:08:17,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a03043a-fd9e-47e1-addf-2aa524225985/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0