./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i --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_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/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_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/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_d45c573e-47e7-4561-942b-e13149d73957/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 aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:16:33,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:16:33,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:16:33,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:16:33,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:16:33,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:16:33,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:16:33,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:16:33,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:16:33,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:16:33,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:16:33,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:16:33,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:16:33,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:16:33,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:16:33,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:16:33,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:16:33,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:16:33,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:16:33,565 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:16:33,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:16:33,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:16:33,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:16:33,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:16:33,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:16:33,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:16:33,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:16:33,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:16:33,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:33,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:16:33,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:16:33,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:16:33,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:16:33,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:16:33,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:16:33,574 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_d45c573e-47e7-4561-942b-e13149d73957/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 [2023-11-23 20:16:33,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:16:33,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:16:33,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:16:33,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:16:33,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:16:33,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2023-11-23 20:16:37,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:37,589 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:37,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2023-11-23 20:16:37,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/data/1b3f30cf4/dfd2f412c60d434c9f27affcdaef9c4c/FLAG284ffdfa2 [2023-11-23 20:16:37,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/data/1b3f30cf4/dfd2f412c60d434c9f27affcdaef9c4c [2023-11-23 20:16:37,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:37,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:37,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:37,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:37,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:37,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:37,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73608668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37, skipping insertion in model container [2023-11-23 20:16:37,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:37,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:37,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:37,934 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:37,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:37,975 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:37,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37 WrapperNode [2023-11-23 20:16:37,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:37,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:37,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:37,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:37,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:37,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,021 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-23 20:16:38,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:38,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:38,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:38,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:38,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:38,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:38,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:38,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:38,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:37" (1/1) ... [2023-11-23 20:16:38,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:38,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:38,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:38,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45c573e-47e7-4561-942b-e13149d73957/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:16:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:16:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:16:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:16:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:16:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:16:38,258 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:38,261 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:16:38,568 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:16:38,655 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:16:38,655 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:16:38,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:38 BoogieIcfgContainer [2023-11-23 20:16:38,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:16:38,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:16:38,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:16:38,672 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:16:38,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:38" (1/1) ... [2023-11-23 20:16:38,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:16:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-23 20:16:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-23 20:16:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:16:38,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:38,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:39,180 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 20:16:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 35 transitions. [2023-11-23 20:16:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-23 20:16:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:16:39,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:39,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:39,441 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 20:16:39,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:39,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 36 transitions. [2023-11-23 20:16:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-23 20:16:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:16:39,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:39,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:39,625 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 20:16:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 36 transitions. [2023-11-23 20:16:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-23 20:16:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:16:39,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:39,900 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 20:16:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 43 transitions. [2023-11-23 20:16:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-23 20:16:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:16:40,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:40,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 45 transitions. [2023-11-23 20:16:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-23 20:16:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:16:40,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:40,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:40,464 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 20:16:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 53 transitions. [2023-11-23 20:16:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-23 20:16:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:16:40,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:40,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2023-11-23 20:16:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-23 20:16:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:16:41,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:41,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 59 transitions. [2023-11-23 20:16:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2023-11-23 20:16:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:16:41,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:41,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 60 transitions. [2023-11-23 20:16:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2023-11-23 20:16:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:16:41,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:41,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 68 transitions. [2023-11-23 20:16:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-23 20:16:42,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:16:42,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 71 transitions. [2023-11-23 20:16:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-11-23 20:16:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:42,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:42,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:42,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 80 transitions. [2023-11-23 20:16:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-23 20:16:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:42,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:42,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:42,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:42,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-23 20:16:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-23 20:16:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:43,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:43,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2023-11-23 20:16:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-23 20:16:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:43,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:43,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2023-11-23 20:16:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-11-23 20:16:43,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:43,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:43,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2023-11-23 20:16:44,076 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-23 20:16:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:44,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2023-11-23 20:16:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-23 20:16:44,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:16:44,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:16:44,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2023-11-23 20:16:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-23 20:16:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:16:44,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2023-11-23 20:16:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-23 20:16:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:16:44,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:45,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-23 20:16:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-23 20:16:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:45,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:45,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2023-11-23 20:16:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-23 20:16:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:45,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:45,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2023-11-23 20:16:46,212 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-23 20:16:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:46,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:46,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:46,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:16:46,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 89 states and 128 transitions. [2023-11-23 20:16:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2023-11-23 20:16:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:46,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:46,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2023-11-23 20:16:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-23 20:16:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:46,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:46,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 90 states and 129 transitions. [2023-11-23 20:16:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2023-11-23 20:16:47,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:47,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:47,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:47,366 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 94 states and 137 transitions. [2023-11-23 20:16:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2023-11-23 20:16:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:47,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 97 states and 140 transitions. [2023-11-23 20:16:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2023-11-23 20:16:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:16:48,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:48,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:16:48,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 102 states and 148 transitions. [2023-11-23 20:16:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2023-11-23 20:16:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:16:48,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:48,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 103 states and 155 transitions. [2023-11-23 20:16:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2023-11-23 20:16:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:16:48,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:48,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 149 transitions. [2023-11-23 20:16:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-23 20:16:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:16:49,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:49,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 107 states and 157 transitions. [2023-11-23 20:16:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2023-11-23 20:16:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:16:50,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 110 states and 160 transitions. [2023-11-23 20:16:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2023-11-23 20:16:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:16:50,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:50,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:50,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:16:50,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 118 states and 175 transitions. [2023-11-23 20:16:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 175 transitions. [2023-11-23 20:16:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:16:53,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:53,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 119 states and 183 transitions. [2023-11-23 20:16:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 183 transitions. [2023-11-23 20:16:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:16:53,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 119 states and 176 transitions. [2023-11-23 20:16:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2023-11-23 20:16:54,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:16:54,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:54,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 120 states and 179 transitions. [2023-11-23 20:16:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2023-11-23 20:16:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:16:55,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 123 states and 182 transitions. [2023-11-23 20:16:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 182 transitions. [2023-11-23 20:16:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:16:56,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:56,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 124 states and 191 transitions. [2023-11-23 20:16:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2023-11-23 20:16:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:16:56,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:56,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:16:56,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2023-11-23 20:16:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2023-11-23 20:16:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:16:57,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:58,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 129 states and 191 transitions. [2023-11-23 20:16:58,321 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2023-11-23 20:16:58,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:16:58,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 130 states and 194 transitions. [2023-11-23 20:16:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 194 transitions. [2023-11-23 20:16:59,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:16:59,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:59,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 133 states and 197 transitions. [2023-11-23 20:16:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 197 transitions. [2023-11-23 20:16:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:16:59,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:59,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:59,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:16:59,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 212 transitions. [2023-11-23 20:17:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2023-11-23 20:17:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:17:01,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:01,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 142 states and 222 transitions. [2023-11-23 20:17:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 222 transitions. [2023-11-23 20:17:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:17:01,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:01,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 142 states and 213 transitions. [2023-11-23 20:17:02,906 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 213 transitions. [2023-11-23 20:17:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:17:02,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:02,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 143 states and 216 transitions. [2023-11-23 20:17:03,964 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 216 transitions. [2023-11-23 20:17:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:17:03,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:03,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-23 20:17:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-23 20:17:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:17:04,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 147 states and 230 transitions. [2023-11-23 20:17:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 230 transitions. [2023-11-23 20:17:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:17:04,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:04,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:17:04,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-11-23 20:17:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-11-23 20:17:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:17:05,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:05,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 150 states and 225 transitions. [2023-11-23 20:17:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2023-11-23 20:17:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:17:06,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:06,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2023-11-23 20:17:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2023-11-23 20:17:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:17:08,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:08,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:08,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 154 states and 231 transitions. [2023-11-23 20:17:08,857 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 231 transitions. [2023-11-23 20:17:08,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:17:08,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:08,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:08,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:17:08,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 15 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 162 states and 245 transitions. [2023-11-23 20:17:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 245 transitions. [2023-11-23 20:17:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:17:10,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:10,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:10,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:10,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 163 states and 257 transitions. [2023-11-23 20:17:10,422 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 257 transitions. [2023-11-23 20:17:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:17:10,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:10,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 163 states and 246 transitions. [2023-11-23 20:17:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 246 transitions. [2023-11-23 20:17:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:17:12,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:12,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:13,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 164 states and 249 transitions. [2023-11-23 20:17:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 249 transitions. [2023-11-23 20:17:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:17:13,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:13,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 167 states and 252 transitions. [2023-11-23 20:17:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2023-11-23 20:17:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:17:14,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:14,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:17:14,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 175 states and 266 transitions. [2023-11-23 20:17:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 266 transitions. [2023-11-23 20:17:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:17:15,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:15,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 176 states and 279 transitions. [2023-11-23 20:17:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2023-11-23 20:17:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:17:15,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:15,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 176 states and 267 transitions. [2023-11-23 20:17:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 267 transitions. [2023-11-23 20:17:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:17:17,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:18,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 177 states and 270 transitions. [2023-11-23 20:17:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 270 transitions. [2023-11-23 20:17:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:17:18,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:19,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 180 states and 273 transitions. [2023-11-23 20:17:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 273 transitions. [2023-11-23 20:17:19,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:17:19,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:19,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:19,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:19,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 181 states and 287 transitions. [2023-11-23 20:17:19,946 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 287 transitions. [2023-11-23 20:17:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:17:19,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:19,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat