./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/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_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98369d9212fd3855c7312ce1f4a6a94601b6c04438d46f463a4c8e55ff4dc367 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:27:59,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:27:59,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:27:59,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:27:59,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:27:59,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:27:59,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:27:59,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:27:59,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:27:59,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:27:59,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:27:59,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:27:59,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:27:59,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:27:59,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:27:59,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:27:59,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:27:59,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:27:59,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:27:59,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:27:59,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:27:59,254 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:27:59,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:27:59,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:27:59,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:27:59,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:27:59,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:27:59,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:27:59,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:27:59,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:27:59,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:27:59,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:27:59,258 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:27:59,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:27:59,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:27:59,259 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_896846a7-153f-4966-a711-b55590273e04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98369d9212fd3855c7312ce1f4a6a94601b6c04438d46f463a4c8e55ff4dc367 [2023-12-02 22:27:59,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:27:59,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:27:59,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:27:59,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:27:59,514 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:27:59,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c [2023-12-02 22:28:02,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:28:02,423 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:28:02,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c [2023-12-02 22:28:02,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/data/d9fe7d771/01ef5963506e4b2983b9cfa11e845fd1/FLAG1bd5369ea [2023-12-02 22:28:02,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/data/d9fe7d771/01ef5963506e4b2983b9cfa11e845fd1 [2023-12-02 22:28:02,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:28:02,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:28:02,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:28:02,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:28:02,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:28:02,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d53d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02, skipping insertion in model container [2023-12-02 22:28:02,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:28:02,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:28:02,653 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:28:02,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:28:02,684 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:28:02,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02 WrapperNode [2023-12-02 22:28:02,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:28:02,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:28:02,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:28:02,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:28:02,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,717 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-12-02 22:28:02,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:28:02,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:28:02,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:28:02,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:28:02,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:28:02,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:28:02,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:28:02,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:28:02,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:02" (1/1) ... [2023-12-02 22:28:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:28:02,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:28:02,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:28:02,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:28:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:28:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:28:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:28:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:28:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:28:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:28:02,874 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:28:02,877 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:28:03,002 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:28:03,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:28:03,031 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:28:03,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:03 BoogieIcfgContainer [2023-12-02 22:28:03,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:28:03,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:28:03,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:28:03,044 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:28:03,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:03" (1/1) ... [2023-12-02 22:28:03,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:28:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-02 22:28:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-02 22:28:03,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:28:03,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:03,294 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 22:28:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 22:28:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 22:28:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:28:03,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:03,390 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 22:28:03,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 22:28:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 22:28:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:28:03,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:03,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:28:03,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-12-02 22:28:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-02 22:28:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:28:03,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:03,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:03,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:28:03,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:03,799 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 22:28:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:04,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-12-02 22:28:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-12-02 22:28:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:28:04,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:04,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:04,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:28:04,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 36 transitions. [2023-12-02 22:28:04,289 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-12-02 22:28:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:28:04,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:04,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:04,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:28:04,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 48 transitions. [2023-12-02 22:28:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-12-02 22:28:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:28:04,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:04,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:04,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:28:04,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 60 transitions. [2023-12-02 22:28:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-12-02 22:28:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:28:04,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:04,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:28:04,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 73 transitions. [2023-12-02 22:28:05,889 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2023-12-02 22:28:05,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:28:05,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:05,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:05,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:28:05,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:06,177 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 85 transitions. [2023-12-02 22:28:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-12-02 22:28:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:28:06,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:06,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:06,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:28:06,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 97 transitions. [2023-12-02 22:28:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2023-12-02 22:28:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:28:07,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:07,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:07,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:28:07,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 110 transitions. [2023-12-02 22:28:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-12-02 22:28:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 22:28:08,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:08,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:08,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:28:08,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 24 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 122 transitions. [2023-12-02 22:28:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2023-12-02 22:28:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 22:28:08,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:08,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:08,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 22:28:08,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 134 transitions. [2023-12-02 22:28:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2023-12-02 22:28:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:28:10,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:10,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:28:10,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 30 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 147 transitions. [2023-12-02 22:28:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2023-12-02 22:28:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 22:28:10,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:10,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:10,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 22:28:10,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 33 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 159 transitions. [2023-12-02 22:28:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2023-12-02 22:28:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 22:28:11,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:11,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:11,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 22:28:11,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 115 states and 171 transitions. [2023-12-02 22:28:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2023-12-02 22:28:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 22:28:12,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:12,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:12,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 22:28:12,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 123 states and 183 transitions. [2023-12-02 22:28:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 183 transitions. [2023-12-02 22:28:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 22:28:13,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:13,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:13,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 22:28:13,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 131 states and 195 transitions. [2023-12-02 22:28:14,520 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2023-12-02 22:28:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:28:14,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:14,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:14,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 22:28:14,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 139 states and 207 transitions. [2023-12-02 22:28:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 207 transitions. [2023-12-02 22:28:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 22:28:15,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:15,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:15,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 22:28:15,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 1008 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 147 states and 219 transitions. [2023-12-02 22:28:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2023-12-02 22:28:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 22:28:16,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:16,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:16,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 22:28:16,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 0 proven. 1139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 231 transitions. [2023-12-02 22:28:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2023-12-02 22:28:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-02 22:28:17,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:17,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:17,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 22:28:17,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 54 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 163 states and 244 transitions. [2023-12-02 22:28:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 244 transitions. [2023-12-02 22:28:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 22:28:19,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:19,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 22:28:19,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 0 proven. 1425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 171 states and 256 transitions. [2023-12-02 22:28:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2023-12-02 22:28:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 22:28:21,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:21,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:21,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 22:28:21,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 0 proven. 1580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:22,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 179 states and 268 transitions. [2023-12-02 22:28:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 268 transitions. [2023-12-02 22:28:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 22:28:22,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:22,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:22,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 22:28:22,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 63 proven. 1680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:23,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 187 states and 281 transitions. [2023-12-02 22:28:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 281 transitions. [2023-12-02 22:28:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 22:28:23,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:23,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:24,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:28:24,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 0 proven. 1914 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:25,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 195 states and 293 transitions. [2023-12-02 22:28:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 293 transitions. [2023-12-02 22:28:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-02 22:28:25,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:25,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:25,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 22:28:25,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 0 proven. 2093 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 203 states and 305 transitions. [2023-12-02 22:28:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 305 transitions. [2023-12-02 22:28:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 22:28:27,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:27,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 22:28:27,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 72 proven. 2208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 211 states and 318 transitions. [2023-12-02 22:28:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 318 transitions. [2023-12-02 22:28:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 22:28:28,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:28,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:29,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-02 22:28:29,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 75 proven. 2400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 219 states and 330 transitions. [2023-12-02 22:28:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 330 transitions. [2023-12-02 22:28:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-12-02 22:28:30,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:30,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:30,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 22:28:30,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2678 backedges. 78 proven. 2600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 227 states and 342 transitions. [2023-12-02 22:28:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 342 transitions. [2023-12-02 22:28:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-02 22:28:31,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:31,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:31,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 22:28:31,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2889 backedges. 81 proven. 2808 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 235 states and 354 transitions. [2023-12-02 22:28:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 354 transitions. [2023-12-02 22:28:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-02 22:28:32,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:32,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:32,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 22:28:32,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 0 proven. 3108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 243 states and 366 transitions. [2023-12-02 22:28:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 366 transitions. [2023-12-02 22:28:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-02 22:28:35,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:35,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:36,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-02 22:28:36,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 0 proven. 3335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 251 states and 378 transitions. [2023-12-02 22:28:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 378 transitions. [2023-12-02 22:28:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-02 22:28:37,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:37,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:37,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 22:28:37,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 90 proven. 3480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 259 states and 391 transitions. [2023-12-02 22:28:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 391 transitions. [2023-12-02 22:28:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-12-02 22:28:39,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:39,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 22:28:39,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3813 backedges. 0 proven. 3813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 267 states and 403 transitions. [2023-12-02 22:28:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 403 transitions. [2023-12-02 22:28:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-12-02 22:28:42,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:42,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:42,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 22:28:42,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4064 backedges. 0 proven. 4064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 275 states and 415 transitions. [2023-12-02 22:28:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 415 transitions. [2023-12-02 22:28:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-12-02 22:28:43,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:43,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:43,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 22:28:43,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4323 backedges. 0 proven. 4323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 283 states and 427 transitions. [2023-12-02 22:28:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 427 transitions. [2023-12-02 22:28:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-02 22:28:45,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:45,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:45,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 22:28:45,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4590 backedges. 102 proven. 4488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 291 states and 440 transitions. [2023-12-02 22:28:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 440 transitions. [2023-12-02 22:28:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-12-02 22:28:48,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:48,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:48,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 22:28:48,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4865 backedges. 0 proven. 4865 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 299 states and 452 transitions. [2023-12-02 22:28:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 452 transitions. [2023-12-02 22:28:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-02 22:28:51,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:51,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:51,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-02 22:28:51,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5148 backedges. 0 proven. 5148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:52,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 307 states and 464 transitions. [2023-12-02 22:28:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 464 transitions. [2023-12-02 22:28:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-12-02 22:28:53,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:53,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:53,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-02 22:28:53,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:54,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5439 backedges. 111 proven. 5328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 315 states and 477 transitions. [2023-12-02 22:28:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 477 transitions. [2023-12-02 22:28:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-02 22:28:55,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:55,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-02 22:28:55,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5738 backedges. 114 proven. 5624 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 323 states and 489 transitions. [2023-12-02 22:28:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 489 transitions. [2023-12-02 22:28:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-12-02 22:28:57,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:57,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:57,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-02 22:28:57,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6045 backedges. 0 proven. 6045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 331 states and 501 transitions. [2023-12-02 22:29:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 501 transitions. [2023-12-02 22:29:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-12-02 22:29:01,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:01,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:01,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-02 22:29:01,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6360 backedges. 0 proven. 6360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 339 states and 513 transitions. [2023-12-02 22:29:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 513 transitions. [2023-12-02 22:29:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2023-12-02 22:29:03,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:03,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:03,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 85 conjunts are in the unsatisfiable core [2023-12-02 22:29:03,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6683 backedges. 0 proven. 6683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 347 states and 525 transitions. [2023-12-02 22:29:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 525 transitions. [2023-12-02 22:29:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-02 22:29:05,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:05,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 86 conjunts are in the unsatisfiable core [2023-12-02 22:29:05,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:07,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7014 backedges. 126 proven. 6888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 355 states and 538 transitions. [2023-12-02 22:29:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 538 transitions. [2023-12-02 22:29:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-12-02 22:29:09,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:09,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:09,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 88 conjunts are in the unsatisfiable core [2023-12-02 22:29:09,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:10,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7353 backedges. 129 proven. 7224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 363 states and 550 transitions. [2023-12-02 22:29:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 550 transitions. [2023-12-02 22:29:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-02 22:29:11,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:11,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:11,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 91 conjunts are in the unsatisfiable core [2023-12-02 22:29:11,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 0 proven. 7700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 371 states and 562 transitions. [2023-12-02 22:29:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 562 transitions. [2023-12-02 22:29:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2023-12-02 22:29:14,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:14,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:15,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 93 conjunts are in the unsatisfiable core [2023-12-02 22:29:15,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 8055 backedges. 0 proven. 8055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 379 states and 574 transitions. [2023-12-02 22:29:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 574 transitions. [2023-12-02 22:29:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2023-12-02 22:29:17,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:17,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:17,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-02 22:29:17,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:18,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8418 backedges. 138 proven. 8280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 387 states and 587 transitions. [2023-12-02 22:29:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 587 transitions. [2023-12-02 22:29:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-12-02 22:29:20,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:20,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:20,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 97 conjunts are in the unsatisfiable core [2023-12-02 22:29:20,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8789 backedges. 0 proven. 8789 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 395 states and 599 transitions. [2023-12-02 22:29:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 599 transitions. [2023-12-02 22:29:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2023-12-02 22:29:23,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:23,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:24,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 98 conjunts are in the unsatisfiable core [2023-12-02 22:29:24,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 9168 backedges. 144 proven. 9024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 403 states and 612 transitions. [2023-12-02 22:29:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 612 transitions. [2023-12-02 22:29:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-12-02 22:29:26,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:26,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:26,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 101 conjunts are in the unsatisfiable core [2023-12-02 22:29:26,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9555 backedges. 0 proven. 9555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 411 states and 624 transitions. [2023-12-02 22:29:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 624 transitions. [2023-12-02 22:29:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-12-02 22:29:29,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:29,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:30,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 103 conjunts are in the unsatisfiable core [2023-12-02 22:29:30,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 9950 backedges. 0 proven. 9950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 419 states and 636 transitions. [2023-12-02 22:29:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 636 transitions. [2023-12-02 22:29:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-12-02 22:29:31,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:31,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:29:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:32,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 103 conjunts are in the unsatisfiable core [2023-12-02 22:29:32,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 10303 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 415 states and 628 transitions. [2023-12-02 22:29:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 628 transitions. [2023-12-02 22:29:46,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:29:46,261 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2023-12-02 22:29:46,270 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-02 22:29:46,927 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:29:46,931 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:29:46,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:29:46 ImpRootNode [2023-12-02 22:29:46,931 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:29:46,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:29:46,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:29:46,932 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:29:46,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:03" (3/4) ... [2023-12-02 22:29:46,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:29:46,936 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 22:29:46,938 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 22:29:46,938 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 22:29:46,939 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:29:46,939 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:29:47,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:29:47,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:29:47,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:29:47,014 INFO L158 Benchmark]: Toolchain (without parser) took 104563.58ms. Allocated memory was 176.2MB in the beginning and 1.1GB in the end (delta: 941.6MB). Free memory was 131.5MB in the beginning and 777.7MB in the end (delta: -646.2MB). Peak memory consumption was 297.5MB. Max. memory is 16.1GB. [2023-12-02 22:29:47,015 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:29:47,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.08ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 121.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:29:47,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.10ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 119.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:29:47,016 INFO L158 Benchmark]: Boogie Preprocessor took 21.69ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 118.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:29:47,017 INFO L158 Benchmark]: RCFGBuilder took 291.50ms. Allocated memory is still 176.2MB. Free memory was 118.4MB in the beginning and 106.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:29:47,018 INFO L158 Benchmark]: CodeCheck took 103897.87ms. Allocated memory was 176.2MB in the beginning and 1.1GB in the end (delta: 941.6MB). Free memory was 106.8MB in the beginning and 781.9MB in the end (delta: -675.0MB). Peak memory consumption was 268.2MB. Max. memory is 16.1GB. [2023-12-02 22:29:47,018 INFO L158 Benchmark]: Witness Printer took 82.03ms. Allocated memory is still 1.1GB. Free memory was 781.9MB in the beginning and 777.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:29:47,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 103.2s, OverallIterations: 56, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12091 SdHoareTripleChecker+Valid, 47.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11565 mSDsluCounter, 22608 SdHoareTripleChecker+Invalid, 39.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13906 mSDsCounter, 15490 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38913 IncrementalHoareTripleChecker+Invalid, 54403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15490 mSolverCounterUnsat, 8702 mSDtfsCounter, 38913 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91858 GetRequests, 80707 SyntacticMatches, 10401 SemanticMatches, 750 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398244 ImplicationChecksByTransitivity, 79.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.8s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 42.4s InterpolantComputationTime, 10849 NumberOfCodeBlocks, 10849 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 10794 ConstructedInterpolants, 0 QuantifiedInterpolants, 32328 SizeOfPredicates, 2667 NumberOfNonLiveVariables, 30985 ConjunctsInSsa, 2793 ConjunctsInUnsatCore, 55 InterpolantComputations, 4 PerfectInterpolantSequences, 11850/180792 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.08ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 121.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.10ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 119.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.69ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 118.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.50ms. Allocated memory is still 176.2MB. Free memory was 118.4MB in the beginning and 106.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 103897.87ms. Allocated memory was 176.2MB in the beginning and 1.1GB in the end (delta: 941.6MB). Free memory was 106.8MB in the beginning and 781.9MB in the end (delta: -675.0MB). Peak memory consumption was 268.2MB. Max. memory is 16.1GB. * Witness Printer took 82.03ms. Allocated memory is still 1.1GB. Free memory was 781.9MB in the beginning and 777.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:29:47,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896846a7-153f-4966-a711-b55590273e04/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE