./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/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_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:33:15,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:33:16,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:33:16,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:33:16,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:33:16,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:33:16,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:33:16,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:33:16,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:33:16,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:33:16,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:33:16,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:33:16,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:33:16,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:33:16,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:33:16,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:33:16,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:33:16,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:33:16,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:33:16,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:33:16,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:33:16,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:33:16,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:33:16,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:33:16,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:33:16,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:33:16,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:16,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:33:16,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:33:16,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:33:16,081 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:33:16,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:33:16,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:33:16,083 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_92a945b4-cf74-47e1-9806-d67fceb58eac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d [2023-12-02 23:33:16,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:33:16,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:33:16,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:33:16,351 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:33:16,352 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:33:16,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-12-02 23:33:19,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:33:19,338 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:33:19,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-12-02 23:33:19,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data/c86681127/1793e6b16fdd4547a6fe99ea7dbfaff9/FLAG89ddb8a94 [2023-12-02 23:33:19,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data/c86681127/1793e6b16fdd4547a6fe99ea7dbfaff9 [2023-12-02 23:33:19,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:33:19,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:33:19,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:19,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:33:19,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:33:19,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6befd95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19, skipping insertion in model container [2023-12-02 23:33:19,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:33:19,514 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_92a945b4-cf74-47e1-9806-d67fceb58eac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i[951,964] [2023-12-02 23:33:19,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:19,534 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:33:19,548 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_92a945b4-cf74-47e1-9806-d67fceb58eac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i[951,964] [2023-12-02 23:33:19,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:19,568 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:33:19,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19 WrapperNode [2023-12-02 23:33:19,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:19,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:19,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:33:19,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:33:19,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,596 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-12-02 23:33:19,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:19,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:33:19,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:33:19,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:33:19,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:33:19,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:33:19,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:33:19,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:33:19,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:19,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:33:19,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:33:19,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:33:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:33:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:33:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:33:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:33:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:33:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:33:19,755 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:33:19,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:33:19,892 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:33:19,935 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:33:19,935 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:33:19,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:19 BoogieIcfgContainer [2023-12-02 23:33:19,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:33:19,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:33:19,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:33:19,945 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:33:19,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:19" (1/1) ... [2023-12-02 23:33:19,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:33:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-02 23:33:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-02 23:33:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:33:20,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:20,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:20,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:33:20,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-02 23:33:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-02 23:33:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:33:20,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:20,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:20,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:33:20,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-02 23:33:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-02 23:33:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:33:20,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:20,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:33:20,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-02 23:33:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-02 23:33:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:33:20,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:20,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:33:20,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-12-02 23:33:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-12-02 23:33:21,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:33:21,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:21,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:21,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:33:21,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-12-02 23:33:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-12-02 23:33:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:33:21,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:21,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:21,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:33:21,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-12-02 23:33:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-12-02 23:33:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:33:22,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:22,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:22,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:33:22,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2023-12-02 23:33:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-12-02 23:33:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:33:23,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:23,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:33:23,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2023-12-02 23:33:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-12-02 23:33:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:33:24,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:24,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:24,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:33:24,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 92 transitions. [2023-12-02 23:33:25,057 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 92 transitions. [2023-12-02 23:33:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:33:25,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:25,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:25,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:33:25,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2023-12-02 23:33:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2023-12-02 23:33:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:33:25,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:25,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:25,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:33:25,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 61 states and 125 transitions. [2023-12-02 23:33:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2023-12-02 23:33:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:33:28,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:28,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:28,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:33:28,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 64 states and 136 transitions. [2023-12-02 23:33:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 136 transitions. [2023-12-02 23:33:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:33:29,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:29,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:29,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:33:29,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:30,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 67 states and 143 transitions. [2023-12-02 23:33:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 143 transitions. [2023-12-02 23:33:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:33:30,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:30,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:30,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:33:30,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:31,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:31,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 72 states and 153 transitions. [2023-12-02 23:33:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 153 transitions. [2023-12-02 23:33:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:33:31,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:31,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:32,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:33:32,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:34,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:33:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 78 states and 171 transitions. [2023-12-02 23:33:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 171 transitions. [2023-12-02 23:33:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:33:34,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:34,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:33:34,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:37,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 83 states and 189 transitions. [2023-12-02 23:33:37,152 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 189 transitions. [2023-12-02 23:33:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:33:37,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:37,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:37,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:33:37,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 85 states and 202 transitions. [2023-12-02 23:33:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 202 transitions. [2023-12-02 23:33:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:37,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:37,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:33:37,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 93 states and 226 transitions. [2023-12-02 23:33:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 226 transitions. [2023-12-02 23:33:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:41,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:41,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:33:41,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 96 states and 239 transitions. [2023-12-02 23:33:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 239 transitions. [2023-12-02 23:33:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:42,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:42,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:42,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:33:42,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 101 states and 254 transitions. [2023-12-02 23:33:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 254 transitions. [2023-12-02 23:33:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:44,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:44,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:44,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:33:44,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:33:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 107 states and 275 transitions. [2023-12-02 23:33:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 275 transitions. [2023-12-02 23:33:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:47,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:47,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:47,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:33:47,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 108 states and 279 transitions. [2023-12-02 23:33:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 279 transitions. [2023-12-02 23:33:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:48,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:33:48,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:33:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 110 states and 284 transitions. [2023-12-02 23:33:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 284 transitions. [2023-12-02 23:33:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:48,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:49,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:33:49,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:33:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 113 states and 290 transitions. [2023-12-02 23:33:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 290 transitions. [2023-12-02 23:33:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:49,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:49,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:49,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:33:49,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 118 states and 306 transitions. [2023-12-02 23:33:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 306 transitions. [2023-12-02 23:33:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:33:52,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:52,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:33:52,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 121 states and 315 transitions. [2023-12-02 23:33:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 315 transitions. [2023-12-02 23:33:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:33:54,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:54,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:54,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:33:54,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 127 states and 342 transitions. [2023-12-02 23:33:56,743 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 342 transitions. [2023-12-02 23:33:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:33:56,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:56,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:56,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:33:56,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:00,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 132 states and 368 transitions. [2023-12-02 23:34:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 368 transitions. [2023-12-02 23:34:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:34:00,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:00,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:01,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:34:01,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 137 states and 378 transitions. [2023-12-02 23:34:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 378 transitions. [2023-12-02 23:34:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:34:06,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:06,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:06,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:34:06,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 141 states and 390 transitions. [2023-12-02 23:34:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 390 transitions. [2023-12-02 23:34:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:34:11,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:12,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:34:12,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:15,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:34:16,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:16,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 143 states and 394 transitions. [2023-12-02 23:34:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 394 transitions. [2023-12-02 23:34:16,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:34:16,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:16,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:16,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:34:16,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 143 states and 393 transitions. [2023-12-02 23:34:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 393 transitions. [2023-12-02 23:34:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:34:16,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:16,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:16,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:34:16,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 145 states and 415 transitions. [2023-12-02 23:34:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 415 transitions. [2023-12-02 23:34:17,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:17,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:17,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:17,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 23:34:17,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:18,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 148 states and 425 transitions. [2023-12-02 23:34:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 425 transitions. [2023-12-02 23:34:20,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:20,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:20,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:34:20,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:34:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 151 states and 434 transitions. [2023-12-02 23:34:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 434 transitions. [2023-12-02 23:34:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:23,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:23,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:23,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 23:34:23,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 157 states and 451 transitions. [2023-12-02 23:34:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 451 transitions. [2023-12-02 23:34:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:29,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:29,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:29,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:34:29,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 160 states and 463 transitions. [2023-12-02 23:34:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 463 transitions. [2023-12-02 23:34:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:33,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:33,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:34,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 23:34:34,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 161 states and 468 transitions. [2023-12-02 23:34:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 468 transitions. [2023-12-02 23:34:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:35,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:35,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:35,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:34:35,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:35,885 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 164 states and 479 transitions. [2023-12-02 23:34:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 479 transitions. [2023-12-02 23:34:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:37,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:37,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:34:37,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:39,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 167 states and 499 transitions. [2023-12-02 23:34:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 499 transitions. [2023-12-02 23:34:39,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:34:39,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:39,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:40,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:34:40,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 172 states and 515 transitions. [2023-12-02 23:34:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 515 transitions. [2023-12-02 23:34:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:34:45,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:45,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:45,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:34:45,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 179 states and 546 transitions. [2023-12-02 23:34:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 546 transitions. [2023-12-02 23:34:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:34:57,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:57,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:57,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:34:57,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:06,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:35:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:12,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 183 states and 563 transitions. [2023-12-02 23:35:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 563 transitions. [2023-12-02 23:35:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:12,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:12,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:12,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:35:12,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:13,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 183 states and 562 transitions. [2023-12-02 23:35:13,844 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 562 transitions. [2023-12-02 23:35:13,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:13,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:13,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:14,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 23:35:14,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 189 states and 577 transitions. [2023-12-02 23:35:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 577 transitions. [2023-12-02 23:35:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:19,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:19,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:19,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:35:19,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 193 states and 591 transitions. [2023-12-02 23:35:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 591 transitions. [2023-12-02 23:35:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:27,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:27,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:27,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 23:35:27,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:29,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 196 states and 598 transitions. [2023-12-02 23:35:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 598 transitions. [2023-12-02 23:35:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:29,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:29,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:29,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:35:29,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 198 states and 602 transitions. [2023-12-02 23:35:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 602 transitions. [2023-12-02 23:35:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:32,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:32,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:32,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:35:32,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 204 states and 633 transitions. [2023-12-02 23:35:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 633 transitions. [2023-12-02 23:35:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:36,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:36,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:36,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:35:36,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 204 states and 632 transitions. [2023-12-02 23:35:36,937 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 632 transitions. [2023-12-02 23:35:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:35:36,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:36,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:35:36,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:37,273 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 206 states and 665 transitions. [2023-12-02 23:35:38,120 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 665 transitions. [2023-12-02 23:35:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:35:38,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:38,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:38,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:35:38,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 212 states and 683 transitions. [2023-12-02 23:35:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 683 transitions. [2023-12-02 23:35:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:35:43,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:44,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:35:44,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 217 states and 698 transitions. [2023-12-02 23:35:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 698 transitions. [2023-12-02 23:35:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:35:53,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:53,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:35:53,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 220 states and 723 transitions. [2023-12-02 23:35:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 723 transitions. [2023-12-02 23:35:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:35:57,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:57,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:35:57,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 225 states and 741 transitions. [2023-12-02 23:36:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 741 transitions. [2023-12-02 23:36:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:03,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:03,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:03,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:36:03,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 227 states and 755 transitions. [2023-12-02 23:36:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 755 transitions. [2023-12-02 23:36:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:09,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:09,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:09,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:36:09,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:16,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 232 states and 787 transitions. [2023-12-02 23:36:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 787 transitions. [2023-12-02 23:36:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:16,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:16,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:36:16,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 235 states and 815 transitions. [2023-12-02 23:36:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 815 transitions. [2023-12-02 23:36:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:20,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:20,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:20,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:36:20,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 238 states and 823 transitions. [2023-12-02 23:36:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 823 transitions. [2023-12-02 23:36:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:36:22,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:22,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:22,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 23:36:22,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 245 states and 861 transitions. [2023-12-02 23:36:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 861 transitions. [2023-12-02 23:36:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:36:39,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:39,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:39,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:36:39,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 251 states and 885 transitions. [2023-12-02 23:36:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 885 transitions. [2023-12-02 23:36:54,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:36:54,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:54,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:36:54,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 257 states and 905 transitions. [2023-12-02 23:37:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 905 transitions. [2023-12-02 23:37:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:04,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:04,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:04,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 23:37:04,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 259 states and 904 transitions. [2023-12-02 23:37:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 904 transitions. [2023-12-02 23:37:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:08,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:08,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:08,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 23:37:08,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 262 states and 910 transitions. [2023-12-02 23:37:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 910 transitions. [2023-12-02 23:37:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:17,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:17,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:17,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:37:17,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 264 states and 915 transitions. [2023-12-02 23:37:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 915 transitions. [2023-12-02 23:37:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:22,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:22,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 23:37:22,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 266 states and 920 transitions. [2023-12-02 23:37:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 920 transitions. [2023-12-02 23:37:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:26,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:26,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:26,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:37:26,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 268 states and 928 transitions. [2023-12-02 23:37:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 928 transitions. [2023-12-02 23:37:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:28,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:28,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:28,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:37:28,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 272 states and 955 transitions. [2023-12-02 23:37:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 955 transitions. [2023-12-02 23:37:33,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:33,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:33,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:33,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:37:33,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 272 states and 954 transitions. [2023-12-02 23:37:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 954 transitions. [2023-12-02 23:37:34,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:34,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:34,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:37:34,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:35,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 274 states and 958 transitions. [2023-12-02 23:37:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 958 transitions. [2023-12-02 23:37:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:35,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:35,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:36,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:37:36,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 277 states and 965 transitions. [2023-12-02 23:37:39,777 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 965 transitions. [2023-12-02 23:37:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:37:39,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:39,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:37:39,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:37:59,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:59,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 288 states and 1025 transitions. [2023-12-02 23:37:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 1025 transitions. [2023-12-02 23:37:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:37:59,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:59,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:59,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:37:59,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 290 states and 1070 transitions. [2023-12-02 23:38:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1070 transitions. [2023-12-02 23:38:01,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:38:01,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:01,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:38:01,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:38:20,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:38:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 294 states and 1079 transitions. [2023-12-02 23:38:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1079 transitions. [2023-12-02 23:38:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:38:20,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:20,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:20,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:38:20,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:38:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 296 states and 1081 transitions. [2023-12-02 23:38:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1081 transitions. [2023-12-02 23:38:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:38:22,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:22,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:22,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:38:22,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:40,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:38:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 298 states and 1088 transitions. [2023-12-02 23:38:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1088 transitions. [2023-12-02 23:38:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:38:40,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:40,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:40,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:38:40,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:38:43,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 301 states and 1102 transitions. [2023-12-02 23:38:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1102 transitions. [2023-12-02 23:38:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:38:43,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:43,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:43,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:38:43,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:38:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 303 states and 1106 transitions. [2023-12-02 23:38:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1106 transitions. [2023-12-02 23:38:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:38:46,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:46,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:46,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:38:46,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 307 states and 1125 transitions. [2023-12-02 23:38:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1125 transitions. [2023-12-02 23:38:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:38:58,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:58,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 23:38:58,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:03,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 309 states and 1127 transitions. [2023-12-02 23:39:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1127 transitions. [2023-12-02 23:39:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:39:03,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:03,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:39:03,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 316 states and 1160 transitions. [2023-12-02 23:39:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1160 transitions. [2023-12-02 23:39:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:39:17,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:17,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:17,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:39:17,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 319 states and 1172 transitions. [2023-12-02 23:39:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1172 transitions. [2023-12-02 23:39:21,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:39:21,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:21,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:39:21,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 323 states and 1183 transitions. [2023-12-02 23:39:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1183 transitions. [2023-12-02 23:39:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:39:28,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:28,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:28,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:39:28,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 325 states and 1196 transitions. [2023-12-02 23:39:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1196 transitions. [2023-12-02 23:39:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:39:33,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:33,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:39:33,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:52,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:39:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 334 states and 1234 transitions. [2023-12-02 23:39:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1234 transitions. [2023-12-02 23:39:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:39:54,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:54,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:54,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:39:54,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 337 states and 1273 transitions. [2023-12-02 23:40:00,419 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1273 transitions. [2023-12-02 23:40:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:40:00,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:00,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:00,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:40:00,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 337 states and 1272 transitions. [2023-12-02 23:40:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1272 transitions. [2023-12-02 23:40:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:40:02,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:02,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:02,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:40:02,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 342 states and 1290 transitions. [2023-12-02 23:40:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1290 transitions. [2023-12-02 23:40:09,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:40:09,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:09,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:09,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:40:09,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 345 states and 1299 transitions. [2023-12-02 23:40:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1299 transitions. [2023-12-02 23:40:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:40:16,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:16,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:16,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 23:40:16,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:32,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:40:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 353 states and 1347 transitions. [2023-12-02 23:40:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1347 transitions. [2023-12-02 23:40:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:40:41,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:41,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:42,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 23:40:42,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:57,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:41:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 356 states and 1353 transitions. [2023-12-02 23:41:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1353 transitions. [2023-12-02 23:41:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:41:04,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:05,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:41:05,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:06,068 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:41:22,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:41:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 363 states and 1383 transitions. [2023-12-02 23:41:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1383 transitions. [2023-12-02 23:41:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:41:30,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:30,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:30,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:41:30,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:41:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 370 states and 1407 transitions. [2023-12-02 23:41:46,452 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1407 transitions. [2023-12-02 23:41:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:41:46,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:46,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:46,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:41:46,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:41:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:50,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 372 states and 1409 transitions. [2023-12-02 23:41:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1409 transitions. [2023-12-02 23:41:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:41:50,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:50,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:50,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:41:50,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 375 states and 1416 transitions. [2023-12-02 23:42:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1416 transitions. [2023-12-02 23:42:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:05,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:05,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:05,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 23:42:05,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 378 states and 1423 transitions. [2023-12-02 23:42:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1423 transitions. [2023-12-02 23:42:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:09,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:09,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:10,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:42:10,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 380 states and 1428 transitions. [2023-12-02 23:42:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1428 transitions. [2023-12-02 23:42:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:16,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:16,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:16,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:42:16,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:16,450 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 382 states and 1436 transitions. [2023-12-02 23:42:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1436 transitions. [2023-12-02 23:42:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:20,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:20,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:42:20,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 384 states and 1441 transitions. [2023-12-02 23:42:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1441 transitions. [2023-12-02 23:42:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:26,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:26,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:27,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:42:27,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 388 states and 1477 transitions. [2023-12-02 23:42:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 1477 transitions. [2023-12-02 23:42:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:34,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:34,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:34,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:42:34,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 391 states and 1484 transitions. [2023-12-02 23:42:39,444 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1484 transitions. [2023-12-02 23:42:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:39,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:39,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:39,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:42:39,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 391 states and 1483 transitions. [2023-12-02 23:42:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1483 transitions. [2023-12-02 23:42:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:42:41,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:41,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:41,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:42:41,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 393 states and 1491 transitions. [2023-12-02 23:42:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1491 transitions. [2023-12-02 23:42:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:42:57,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:57,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:58,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 23:42:58,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:43:46,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:43:52,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 407 states and 1572 transitions. [2023-12-02 23:43:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1572 transitions. [2023-12-02 23:43:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:43:52,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:52,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 23:43:52,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:44:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 419 states and 1610 transitions. [2023-12-02 23:44:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1610 transitions. [2023-12-02 23:44:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:44:30,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:30,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:44:30,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:33,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 421 states and 1677 transitions. [2023-12-02 23:44:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1677 transitions. [2023-12-02 23:44:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:44:33,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:33,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:34,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 23:44:34,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:44:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 426 states and 1684 transitions. [2023-12-02 23:44:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1684 transitions. [2023-12-02 23:44:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:44:57,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:57,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:58,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 23:44:58,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 430 states and 1702 transitions. [2023-12-02 23:45:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1702 transitions. [2023-12-02 23:45:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:45:24,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:24,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 23:45:24,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:38,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:45:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 433 states and 1709 transitions. [2023-12-02 23:45:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1709 transitions. [2023-12-02 23:45:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:45:47,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:47,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:48,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 23:45:48,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:00,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 438 states and 1727 transitions. [2023-12-02 23:46:00,697 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1727 transitions. [2023-12-02 23:46:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:46:00,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:46:10,731 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 23:46:10,733 INFO L158 Benchmark]: Toolchain (without parser) took 771373.93ms. Allocated memory was 157.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 119.8MB in the beginning and 637.5MB in the end (delta: -517.7MB). Peak memory consumption was 756.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,734 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:46:10,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.56ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 109.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.27ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 107.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,734 INFO L158 Benchmark]: Boogie Preprocessor took 19.60ms. Allocated memory is still 157.3MB. Free memory was 107.8MB in the beginning and 106.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,735 INFO L158 Benchmark]: RCFGBuilder took 319.36ms. Allocated memory is still 157.3MB. Free memory was 106.4MB in the beginning and 94.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,735 INFO L158 Benchmark]: CodeCheck took 770795.26ms. Allocated memory was 157.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 94.4MB in the beginning and 637.5MB in the end (delta: -543.0MB). Peak memory consumption was 731.0MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,737 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 0.20ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.56ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 109.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.27ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 107.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.60ms. Allocated memory is still 157.3MB. Free memory was 107.8MB in the beginning and 106.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.36ms. Allocated memory is still 157.3MB. Free memory was 106.4MB in the beginning and 94.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 770795.26ms. Allocated memory was 157.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 94.4MB in the beginning and 637.5MB in the end (delta: -543.0MB). Peak memory consumption was 731.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:46:10,944 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:46:11,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/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_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:46:12,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:46:12,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:46:12,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:46:12,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:46:12,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:46:12,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:46:12,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:46:12,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:46:12,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:46:12,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:46:12,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:46:12,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:46:12,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:46:12,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:46:12,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:46:12,863 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:46:12,863 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:46:12,864 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:46:12,864 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:46:12,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:46:12,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:46:12,866 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:46:12,866 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:46:12,867 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:46:12,867 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:12,867 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:46:12,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:46:12,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:12,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:46:12,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:46:12,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:46:12,869 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:46:12,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:12,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:46:12,870 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:46:12,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:46:12,870 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_92a945b4-cf74-47e1-9806-d67fceb58eac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d [2023-12-02 23:46:13,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:46:13,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:46:13,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:46:13,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:46:13,194 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:46:13,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-12-02 23:46:15,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:46:16,138 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:46:16,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-12-02 23:46:16,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data/6d1d1931e/28b90a61aeec406bb30de4cfcba21adc/FLAG4ec2a9e9d [2023-12-02 23:46:16,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/data/6d1d1931e/28b90a61aeec406bb30de4cfcba21adc [2023-12-02 23:46:16,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:46:16,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:46:16,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:16,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:46:16,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:46:16,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68efb3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16, skipping insertion in model container [2023-12-02 23:46:16,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:46:16,312 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_92a945b4-cf74-47e1-9806-d67fceb58eac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i[951,964] [2023-12-02 23:46:16,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:16,336 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:46:16,347 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_92a945b4-cf74-47e1-9806-d67fceb58eac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i[951,964] [2023-12-02 23:46:16,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:16,365 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:46:16,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16 WrapperNode [2023-12-02 23:46:16,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:16,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:16,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:46:16,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:46:16,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,393 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-12-02 23:46:16,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:16,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:46:16,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:46:16,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:46:16,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:46:16,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:46:16,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:46:16,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:46:16,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:16,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:46:16,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:46:16,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:46:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:46:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:46:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:46:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:46:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:46:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:46:16,593 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:46:16,595 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:46:16,733 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:46:16,779 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:46:16,779 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:46:16,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:16 BoogieIcfgContainer [2023-12-02 23:46:16,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:46:16,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:46:16,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:46:16,792 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:46:16,793 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:46:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-02 23:46:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-02 23:46:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:46:16,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:16,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:16,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:16,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:16,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:46:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:16,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:16,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:46:16,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:17,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-02 23:46:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-02 23:46:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:46:17,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:17,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:17,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:17,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:17,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:46:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:17,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:17,224 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:17,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:46:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-02 23:46:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-02 23:46:17,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:46:17,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:17,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:17,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:17,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:17,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:46:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:46:17,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:17,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:17,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:46:17,433 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-02 23:46:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-02 23:46:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:46:17,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:17,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:17,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:17,592 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:17,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:46:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:17,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:17,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:46:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-12-02 23:46:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-12-02 23:46:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:46:19,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:19,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:19,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:19,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:19,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:46:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:46:19,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:19,213 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:19,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:46:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2023-12-02 23:46:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2023-12-02 23:46:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:46:19,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:19,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:19,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:19,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:19,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:46:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:46:19,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:19,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2023-12-02 23:46:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-12-02 23:46:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:46:21,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:21,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:21,174 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:21,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:46:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:21,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:21,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:46:21,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:21,393 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:21,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:46:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2023-12-02 23:46:22,341 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2023-12-02 23:46:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:46:22,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:22,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:22,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:22,343 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:22,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:46:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:22,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:22,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:46:22,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:22,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:22,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:46:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2023-12-02 23:46:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2023-12-02 23:46:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:46:23,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:23,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:23,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:23,542 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:23,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:46:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:23,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:23,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:46:23,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:25,115 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:25,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2023-12-02 23:46:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:46:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:46:29,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:29,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:29,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:29,451 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:29,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:46:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:29,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:29,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:46:29,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:29,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:46:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 104 transitions. [2023-12-02 23:46:32,008 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2023-12-02 23:46:32,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:46:32,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:32,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:32,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:32,010 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:32,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:46:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:32,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:32,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:32,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:32,627 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:32,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:46:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 120 transitions. [2023-12-02 23:46:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 120 transitions. [2023-12-02 23:46:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:46:35,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:35,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:35,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:35,651 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:35,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:46:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:35,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:35,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:46:35,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:35,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:46:35,871 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 63 states and 136 transitions. [2023-12-02 23:46:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 136 transitions. [2023-12-02 23:46:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:46:43,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:43,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:43,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:43,788 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:43,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:46:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:46:43,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:44,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 65 states and 147 transitions. [2023-12-02 23:46:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 147 transitions. [2023-12-02 23:46:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:46:44,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:44,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:44,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:44,742 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:44,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:46:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:44,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:44,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:46:44,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:45,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 71 states and 167 transitions. [2023-12-02 23:46:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 167 transitions. [2023-12-02 23:46:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:46:49,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:49,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:49,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:49,485 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:49,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:46:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:49,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:49,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:46:49,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:49,753 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:46:49,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 74 states and 176 transitions. [2023-12-02 23:46:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 176 transitions. [2023-12-02 23:46:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:46:52,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:52,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:52,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:52,204 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:52,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:46:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:52,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:52,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:52,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:52,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:46:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 77 states and 188 transitions. [2023-12-02 23:46:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 188 transitions. [2023-12-02 23:46:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:46:55,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:55,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:55,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:55,797 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:55,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:46:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:55,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:55,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:46:55,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:56,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:46:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 80 states and 196 transitions. [2023-12-02 23:46:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 196 transitions. [2023-12-02 23:46:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:46:58,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:58,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:58,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:58,237 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:58,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:46:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:58,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:58,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:46:58,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:58,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:47:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 84 states and 212 transitions. [2023-12-02 23:47:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 212 transitions. [2023-12-02 23:47:06,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:47:06,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:06,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:06,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:06,882 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:06,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:47:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:06,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:07,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:47:07,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:07,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:47:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 86 states and 217 transitions. [2023-12-02 23:47:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 217 transitions. [2023-12-02 23:47:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:47:09,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:09,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:09,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:09,587 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:09,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:47:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:47:09,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:09,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a945b4-cf74-47e1-9806-d67fceb58eac/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0