./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c --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_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/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_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/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_a9ae4832-25f5-49b6-ae7b-29e8469835d5/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 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:48:49,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:48:49,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:48:49,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:48:49,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:48:49,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:48:49,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:48:49,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:48:49,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:48:49,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:48:49,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:48:49,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:48:49,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:48:49,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:48:49,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:48:49,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:48:49,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:48:49,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:48:49,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:48:49,535 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:48:49,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:48:49,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:48:49,538 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:48:49,539 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:48:49,539 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:48:49,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:48:49,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:48:49,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:48:49,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:48:49,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:48:49,541 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:48:49,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:48:49,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:48:49,542 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_a9ae4832-25f5-49b6-ae7b-29e8469835d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2023-12-03 00:48:49,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:48:49,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:48:49,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:48:49,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:48:49,768 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:48:49,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-12-03 00:48:52,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:48:52,648 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:48:52,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-12-03 00:48:52,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/data/e3546f54b/15dafd65d7584376bd23463058251cdf/FLAG3195b891d [2023-12-03 00:48:52,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/data/e3546f54b/15dafd65d7584376bd23463058251cdf [2023-12-03 00:48:52,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:48:52,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:48:52,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:48:52,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:48:52,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:48:52,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638c613a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52, skipping insertion in model container [2023-12-03 00:48:52,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:48:52,846 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_a9ae4832-25f5-49b6-ae7b-29e8469835d5/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2023-12-03 00:48:52,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:48:52,868 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:48:52,880 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_a9ae4832-25f5-49b6-ae7b-29e8469835d5/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2023-12-03 00:48:52,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:48:52,902 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:48:52,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52 WrapperNode [2023-12-03 00:48:52,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:48:52,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:48:52,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:48:52,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:48:52,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,932 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-12-03 00:48:52,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:48:52,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:48:52,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:48:52,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:48:52,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:48:52,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:48:52,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:48:52,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:48:52,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:52" (1/1) ... [2023-12-03 00:48:52,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:48:52,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:48:52,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:48:52,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ae4832-25f5-49b6-ae7b-29e8469835d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:48:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:48:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:48:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:48:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:48:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:48:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:48:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:48:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:48:53,083 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:48:53,085 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:48:53,205 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:48:53,248 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:48:53,248 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:48:53,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:48:53 BoogieIcfgContainer [2023-12-03 00:48:53,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:48:53,251 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:48:53,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:48:53,258 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:48:53,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:48:53" (1/1) ... [2023-12-03 00:48:53,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:48:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-03 00:48:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-03 00:48:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:48:53,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:53,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:53,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:48:53,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:48:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:53,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-12-03 00:48:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-12-03 00:48:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:48:53,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:53,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:48:53,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2023-12-03 00:48:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-12-03 00:48:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:48:54,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:54,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:54,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 00:48:54,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:48:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 57 transitions. [2023-12-03 00:48:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2023-12-03 00:48:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:48:55,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:55,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:55,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 00:48:55,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:48:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 78 transitions. [2023-12-03 00:48:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2023-12-03 00:48:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:48:58,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:58,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:58,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 00:48:58,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:49:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 88 transitions. [2023-12-03 00:49:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2023-12-03 00:49:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:49:01,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:01,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:01,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 00:49:01,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:49:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 89 transitions. [2023-12-03 00:49:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2023-12-03 00:49:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:49:02,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:02,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:02,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:49:02,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:49:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 50 states and 103 transitions. [2023-12-03 00:49:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 103 transitions. [2023-12-03 00:49:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:49:06,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:06,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:06,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:49:06,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:49:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 104 transitions. [2023-12-03 00:49:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2023-12-03 00:49:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:49:08,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:08,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:08,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 00:49:08,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:49:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 113 transitions. [2023-12-03 00:49:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 113 transitions. [2023-12-03 00:49:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:49:12,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:12,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:12,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 00:49:12,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:49:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 57 states and 126 transitions. [2023-12-03 00:49:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 126 transitions. [2023-12-03 00:49:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:49:16,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:16,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:16,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 00:49:16,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:49:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:24,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 59 states and 131 transitions. [2023-12-03 00:49:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2023-12-03 00:49:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:49:24,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:24,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:24,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 00:49:24,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-03 00:49:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 63 states and 144 transitions. [2023-12-03 00:49:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 144 transitions. [2023-12-03 00:49:32,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:49:32,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:32,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 00:49:32,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 13 proven. 50 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-03 00:49:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 149 transitions. [2023-12-03 00:49:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2023-12-03 00:49:43,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:49:43,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:43,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:43,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 00:49:43,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 24 proven. 49 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-03 00:49:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 69 states and 162 transitions. [2023-12-03 00:49:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 162 transitions. [2023-12-03 00:49:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:49:54,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:54,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:54,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 00:49:54,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 24 proven. 49 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-03 00:50:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 69 states and 155 transitions. [2023-12-03 00:50:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 155 transitions. [2023-12-03 00:50:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:50:00,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:00,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 00:50:00,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 24 proven. 61 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-03 00:50:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 71 states and 167 transitions. [2023-12-03 00:50:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 167 transitions. [2023-12-03 00:50:12,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:50:12,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:12,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:13,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 00:50:13,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-03 00:50:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 75 states and 180 transitions. [2023-12-03 00:50:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 180 transitions. [2023-12-03 00:50:29,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:50:29,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:29,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:29,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 00:50:29,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-03 00:50:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 75 states and 172 transitions. [2023-12-03 00:50:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 172 transitions. [2023-12-03 00:50:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:50:37,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:37,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:38,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 00:50:38,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 20 proven. 90 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-03 00:50:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 77 states and 185 transitions. [2023-12-03 00:50:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 185 transitions. [2023-12-03 00:50:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:50:54,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:54,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 00:50:54,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 34 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-03 00:51:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 81 states and 198 transitions. [2023-12-03 00:51:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 198 transitions. [2023-12-03 00:51:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:51:14,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:15,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-03 00:51:15,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 33 proven. 120 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-03 00:51:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 83 states and 203 transitions. [2023-12-03 00:51:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 203 transitions. [2023-12-03 00:51:44,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 00:51:44,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:44,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:44,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 00:51:44,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 27 proven. 124 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-03 00:52:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 87 states and 216 transitions. [2023-12-03 00:52:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 216 transitions. [2023-12-03 00:52:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 00:52:13,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:13,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:14,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 00:52:14,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 27 proven. 142 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-03 00:52:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 89 states and 221 transitions. [2023-12-03 00:52:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 221 transitions. [2023-12-03 00:52:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:56,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:56,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:56,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-03 00:52:56,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-03 00:54:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:25,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 115 states and 317 transitions. [2023-12-03 00:54:25,676 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 317 transitions. [2023-12-03 00:54:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:54:25,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:25,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:26,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-03 00:54:26,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 43 proven. 159 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 00:55:52,617 WARN L293 SmtUtils]: Spent 7.68s on a formula simplification. DAG size of input: 501 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:56:02,325 WARN L293 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 503 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:56:17,575 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 504 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:56:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 125 states and 341 transitions. [2023-12-03 00:56:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 341 transitions. [2023-12-03 00:56:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 00:56:21,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:21,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:22,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-03 00:56:22,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:45,499 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 60 proven. 182 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-12-03 00:57:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 129 states and 357 transitions. [2023-12-03 00:57:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 357 transitions. [2023-12-03 00:57:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 00:57:20,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:20,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:57:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:21,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 00:57:21,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 34 proven. 206 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-12-03 00:58:01,664 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 253 DAG size of output: 176 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:58:17,812 WARN L293 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 255 DAG size of output: 178 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:59:05,064 WARN L293 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 589 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:59:18,162 WARN L293 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 590 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:59:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 131 states and 369 transitions. [2023-12-03 00:59:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 369 transitions. [2023-12-03 00:59:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 00:59:20,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:20,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-03 00:59:21,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 54 proven. 202 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-12-03 01:00:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 135 states and 383 transitions. [2023-12-03 01:00:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 383 transitions. [2023-12-03 01:00:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:00:26,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:26,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:26,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-03 01:00:26,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 54 proven. 202 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-12-03 01:01:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 135 states and 363 transitions. [2023-12-03 01:01:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 363 transitions. [2023-12-03 01:01:04,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:01:04,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:06,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-03 01:01:06,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 53 proven. 254 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-03 01:01:53,088 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 669 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:02:03,654 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 670 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:02:22,282 WARN L293 SmtUtils]: Spent 9.63s on a formula simplification that was a NOOP. DAG size: 689 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:02:44,784 WARN L293 SmtUtils]: Spent 13.04s on a formula simplification that was a NOOP. DAG size: 690 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:02:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 137 states and 388 transitions. [2023-12-03 01:02:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 388 transitions. [2023-12-03 01:02:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 01:02:47,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:47,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:47,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-03 01:02:47,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 73 proven. 254 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked.