./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC --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 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:23,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:23,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:20:23,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:23,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:23,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:23,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:23,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:23,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:23,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:23,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:23,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:23,658 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:23,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:23,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:23,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:23,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:23,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:23,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:23,663 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:23,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:23,664 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:23,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:23,665 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:23,666 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:23,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:23,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:23,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:23,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:23,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:23,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:23,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:23,672 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:23,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:23,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:23,694 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_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 [2023-11-23 20:20:23,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:24,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:24,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:24,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:24,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:24,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2023-11-23 20:20:27,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:27,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:27,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2023-11-23 20:20:27,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/data/801ecfd3a/fcb167f312174a37b1d083617c2d54c5/FLAGc4a09ba8e [2023-11-23 20:20:27,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/data/801ecfd3a/fcb167f312174a37b1d083617c2d54c5 [2023-11-23 20:20:27,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:27,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:27,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:27,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:27,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:27,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22431be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27, skipping insertion in model container [2023-11-23 20:20:27,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:27,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:27,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:27,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:27,740 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:27,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27 WrapperNode [2023-11-23 20:20:27,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:27,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:27,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:27,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:27,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,788 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-23 20:20:27,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:27,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:27,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:27,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:27,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:27,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:27,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:27,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:27,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:27,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:27,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:27,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a74faf6-64f0-40c9-82e7-2c098d1ec31e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:28,005 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:28,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:28,517 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:28,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:28,572 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:20:28,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:28 BoogieIcfgContainer [2023-11-23 20:20:28,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:28,575 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:28,575 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:28,584 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:28,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:28" (1/1) ... [2023-11-23 20:20:28,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-23 20:20:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-23 20:20:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:20:28,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:28,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-23 20:20:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-23 20:20:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:20:28,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:29,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-23 20:20:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-23 20:20:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:20:29,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:29,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-23 20:20:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-23 20:20:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:20:29,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:29,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:29,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:29,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-11-23 20:20:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-11-23 20:20:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:20:29,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:29,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:29,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:29,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-23 20:20:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-23 20:20:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:30,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:30,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-11-23 20:20:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-11-23 20:20:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:30,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:20:30,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2023-11-23 20:20:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-23 20:20:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:32,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:32,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:32,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:20:32,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 162 transitions. [2023-11-23 20:20:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 162 transitions. [2023-11-23 20:20:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:20:32,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:32,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:32,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2023-11-23 20:20:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2023-11-23 20:20:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:20:33,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:33,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:33,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:33,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 147 states and 196 transitions. [2023-11-23 20:20:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-23 20:20:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:20:36,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:36,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:36,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:36,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 158 states and 216 transitions. [2023-11-23 20:20:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2023-11-23 20:20:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:20:39,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:39,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:39,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:39,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 170 states and 238 transitions. [2023-11-23 20:20:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 238 transitions. [2023-11-23 20:20:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:20:42,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:42,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:42,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:42,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 173 states and 244 transitions. [2023-11-23 20:20:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-23 20:20:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:20:43,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:43,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:43,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:43,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 175 states and 246 transitions. [2023-11-23 20:20:43,830 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 246 transitions. [2023-11-23 20:20:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:20:43,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:43,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:43,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 184 states and 264 transitions. [2023-11-23 20:20:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 264 transitions. [2023-11-23 20:20:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:20:46,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:46,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:46,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:46,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 193 states and 283 transitions. [2023-11-23 20:20:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 283 transitions. [2023-11-23 20:20:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:20:49,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:49,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:49,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:49,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 192 states and 282 transitions. [2023-11-23 20:20:49,353 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 282 transitions. [2023-11-23 20:20:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:20:49,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:49,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:49,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:49,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 202 states and 303 transitions. [2023-11-23 20:20:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 303 transitions. [2023-11-23 20:20:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:20:53,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:53,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:53,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 205 states and 307 transitions. [2023-11-23 20:20:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2023-11-23 20:20:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:20:53,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:53,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:53,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:53,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 208 states and 311 transitions. [2023-11-23 20:20:53,821 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2023-11-23 20:20:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:20:53,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:53,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:53,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:53,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 207 states and 310 transitions. [2023-11-23 20:20:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2023-11-23 20:20:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:54,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:54,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:54,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:54,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 217 states and 327 transitions. [2023-11-23 20:21:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 327 transitions. [2023-11-23 20:21:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:21:05,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:05,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:05,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:21:05,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 228 states and 350 transitions. [2023-11-23 20:21:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2023-11-23 20:21:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:21:10,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:10,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:21:10,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 239 states and 372 transitions. [2023-11-23 20:21:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 372 transitions. [2023-11-23 20:21:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:21:15,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:15,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:15,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 376 transitions. [2023-11-23 20:21:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 376 transitions. [2023-11-23 20:21:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:21:15,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:15,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:15,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:15,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 246 states and 385 transitions. [2023-11-23 20:21:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2023-11-23 20:21:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:21:16,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:16,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:16,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:21:16,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 251 states and 391 transitions. [2023-11-23 20:21:19,536 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 391 transitions. [2023-11-23 20:21:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:21:19,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:19,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:19,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:21:19,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.