./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/terminator_03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi --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 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:00,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:01,056 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:06:01,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:01,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:01,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:01,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:01,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:01,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:01,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:01,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:01,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:01,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:01,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:01,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:01,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:01,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:01,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:01,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:01,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:01,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:01,135 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:01,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:01,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:01,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:01,138 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:01,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:01,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:01,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:01,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:01,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:01,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:01,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:01,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:01,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:01,144 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_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 [2023-11-24 23:06:01,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:01,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:01,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:01,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:01,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:01,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loops/terminator_03-2.i [2023-11-24 23:06:04,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:05,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:05,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/sv-benchmarks/c/loops/terminator_03-2.i [2023-11-24 23:06:05,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/data/42022e675/bd7b92fb79934310a19844d302fb5773/FLAG01f92f9da [2023-11-24 23:06:05,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/data/42022e675/bd7b92fb79934310a19844d302fb5773 [2023-11-24 23:06:05,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:05,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:05,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:05,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:05,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:05,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12f5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05, skipping insertion in model container [2023-11-24 23:06:05,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,096 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:05,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:05,288 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:05,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:05,319 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:05,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05 WrapperNode [2023-11-24 23:06:05,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:05,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:05,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:05,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:05,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,362 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2023-11-24 23:06:05,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:05,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:05,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:05,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:05,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:05,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:05,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:05,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:05,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:05,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:05,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:05,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce5a756-8f41-45fb-8a19-f925bf6aec68/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:05,543 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:05,546 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:05,680 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:05,733 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:05,733 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:06:05,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:05 BoogieIcfgContainer [2023-11-24 23:06:05,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:05,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:05,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:05,748 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:05,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-24 23:06:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-24 23:06:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:06:05,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:05,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-24 23:06:06,298 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-24 23:06:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:06,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:06,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-24 23:06:06,700 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-24 23:06:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:06,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:06,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2023-11-24 23:06:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2023-11-24 23:06:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:06:07,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:07,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2023-11-24 23:06:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2023-11-24 23:06:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:06:07,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:07,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2023-11-24 23:06:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2023-11-24 23:06:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:06:08,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:08,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2023-11-24 23:06:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2023-11-24 23:06:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:09,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:09,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2023-11-24 23:06:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2023-11-24 23:06:10,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:10,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2023-11-24 23:06:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2023-11-24 23:06:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:06:12,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:12,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2023-11-24 23:06:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2023-11-24 23:06:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:06:14,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:14,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2023-11-24 23:06:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2023-11-24 23:06:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:06:16,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:16,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2023-11-24 23:06:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2023-11-24 23:06:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:06:19,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:19,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2023-11-24 23:06:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2023-11-24 23:06:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:06:22,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2023-11-24 23:06:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2023-11-24 23:06:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:06:26,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2023-11-24 23:06:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2023-11-24 23:06:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:06:30,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:30,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2023-11-24 23:06:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-11-24 23:06:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:06:35,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:41,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 108 transitions. [2023-11-24 23:06:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2023-11-24 23:06:41,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:06:41,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:41,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2023-11-24 23:06:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2023-11-24 23:06:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:06:47,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:47,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 120 transitions. [2023-11-24 23:06:55,411 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2023-11-24 23:06:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:06:55,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat