./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:44:22,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:44:22,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:44:22,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:44:22,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:44:22,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:44:22,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:44:22,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:44:22,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:44:22,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:44:22,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:44:22,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:44:22,688 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:44:22,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:44:22,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:44:22,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:44:22,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:44:22,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:44:22,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:44:22,691 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:44:22,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:44:22,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:44:22,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:44:22,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:44:22,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:44:22,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:44:22,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:44:22,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:44:22,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:44:22,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:44:22,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:44:22,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:44:22,697 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:44:22,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:44:22,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:44:22,698 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_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb [2023-12-03 04:44:22,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:44:23,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:44:23,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:44:23,004 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:44:23,004 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:44:23,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2023-12-03 04:44:25,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:44:25,875 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:44:25,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2023-12-03 04:44:25,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/data/4fffd0790/2d01ea6c1fa5407fadc0719f3b1329b2/FLAG8f3c61272 [2023-12-03 04:44:25,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/data/4fffd0790/2d01ea6c1fa5407fadc0719f3b1329b2 [2023-12-03 04:44:25,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:44:25,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:44:25,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:44:25,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:44:25,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:44:25,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:44:25" (1/1) ... [2023-12-03 04:44:25,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb39cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:25, skipping insertion in model container [2023-12-03 04:44:25,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:44:25" (1/1) ... [2023-12-03 04:44:25,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:44:26,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:44:26,099 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:44:26,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:44:26,127 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:44:26,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26 WrapperNode [2023-12-03 04:44:26,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:44:26,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:44:26,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:44:26,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:44:26,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,161 INFO L138 Inliner]: procedures = 14, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-12-03 04:44:26,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:44:26,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:44:26,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:44:26,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:44:26,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:44:26,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:44:26,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:44:26,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:44:26,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:44:26,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:44:26,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:44:26,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:44:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:44:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:44:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:44:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:44:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:44:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:44:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:44:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:44:26,304 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:44:26,306 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:44:26,494 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:44:26,544 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:44:26,545 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:44:26,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:44:26 BoogieIcfgContainer [2023-12-03 04:44:26,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:44:26,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:44:26,547 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:44:26,556 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:44:26,556 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:44:26" (1/1) ... [2023-12-03 04:44:26,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:44:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-12-03 04:44:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-03 04:44:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:44:26,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:26,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2023-12-03 04:44:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-12-03 04:44:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:44:26,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:26,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2023-12-03 04:44:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-12-03 04:44:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:44:27,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:27,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:27,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:44:27,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 42 transitions. [2023-12-03 04:44:27,349 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-12-03 04:44:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:44:27,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:27,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:27,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:27,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 55 transitions. [2023-12-03 04:44:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2023-12-03 04:44:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:44:27,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:27,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:27,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:44:27,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 46 transitions. [2023-12-03 04:44:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-12-03 04:44:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:44:28,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:28,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:28,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:44:28,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:28,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 58 transitions. [2023-12-03 04:44:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-12-03 04:44:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 04:44:28,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:28,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:44:28,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 70 transitions. [2023-12-03 04:44:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2023-12-03 04:44:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:44:29,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:29,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:29,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:44:29,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 83 transitions. [2023-12-03 04:44:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2023-12-03 04:44:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:30,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:30,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:30,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 04:44:30,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 15 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 95 transitions. [2023-12-03 04:44:30,845 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-12-03 04:44:30,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:44:30,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:30,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:30,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:30,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 107 transitions. [2023-12-03 04:44:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-12-03 04:44:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:44:31,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:31,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:31,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 04:44:31,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 119 transitions. [2023-12-03 04:44:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2023-12-03 04:44:31,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 04:44:31,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:31,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:32,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 04:44:32,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 131 transitions. [2023-12-03 04:44:33,407 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2023-12-03 04:44:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 04:44:33,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:33,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:33,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 04:44:33,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 143 transitions. [2023-12-03 04:44:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2023-12-03 04:44:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 04:44:34,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:34,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:34,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 04:44:34,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 107 states and 155 transitions. [2023-12-03 04:44:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2023-12-03 04:44:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 04:44:34,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:34,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:34,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 04:44:34,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 33 proven. 440 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 168 transitions. [2023-12-03 04:44:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2023-12-03 04:44:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 04:44:36,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:36,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 04:44:36,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 564 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:37,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 123 states and 180 transitions. [2023-12-03 04:44:37,123 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2023-12-03 04:44:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 04:44:37,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:37,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:37,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 04:44:37,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 39 proven. 624 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 131 states and 193 transitions. [2023-12-03 04:44:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-12-03 04:44:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-03 04:44:38,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:38,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:38,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 04:44:38,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:39,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 139 states and 205 transitions. [2023-12-03 04:44:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2023-12-03 04:44:39,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-03 04:44:39,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:39,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:39,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 04:44:39,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 147 states and 217 transitions. [2023-12-03 04:44:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2023-12-03 04:44:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-03 04:44:40,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:40,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 04:44:40,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 48 proven. 960 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 155 states and 230 transitions. [2023-12-03 04:44:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 230 transitions. [2023-12-03 04:44:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-03 04:44:41,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:41,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 04:44:41,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 0 proven. 1139 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 163 states and 242 transitions. [2023-12-03 04:44:43,108 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2023-12-03 04:44:43,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-03 04:44:43,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:43,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:43,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 04:44:43,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 54 proven. 1224 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 171 states and 255 transitions. [2023-12-03 04:44:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-12-03 04:44:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-03 04:44:44,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:44,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:44,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 04:44:44,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 57 proven. 1368 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 179 states and 267 transitions. [2023-12-03 04:44:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2023-12-03 04:44:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-03 04:44:45,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:45,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-03 04:44:45,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 60 proven. 1520 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 187 states and 279 transitions. [2023-12-03 04:44:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2023-12-03 04:44:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-03 04:44:46,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:46,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:46,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 04:44:46,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 1743 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 195 states and 291 transitions. [2023-12-03 04:44:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-12-03 04:44:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-12-03 04:44:48,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:48,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:48,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-03 04:44:48,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 66 proven. 1848 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 203 states and 304 transitions. [2023-12-03 04:44:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 304 transitions. [2023-12-03 04:44:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-03 04:44:50,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:50,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:50,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 04:44:50,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 0 proven. 2093 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 211 states and 316 transitions. [2023-12-03 04:44:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 316 transitions. [2023-12-03 04:44:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-03 04:44:52,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:52,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 04:44:52,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 219 states and 328 transitions. [2023-12-03 04:44:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 328 transitions. [2023-12-03 04:44:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-03 04:44:53,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:53,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-03 04:44:53,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 0 proven. 2475 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 227 states and 340 transitions. [2023-12-03 04:44:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 340 transitions. [2023-12-03 04:44:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-12-03 04:44:55,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:55,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:55,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-03 04:44:55,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2690 backedges. 0 proven. 2678 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:56,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 235 states and 352 transitions. [2023-12-03 04:44:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 352 transitions. [2023-12-03 04:44:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-12-03 04:44:56,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:56,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:56,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 04:44:56,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 81 proven. 2808 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 243 states and 365 transitions. [2023-12-03 04:44:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 365 transitions. [2023-12-03 04:44:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-12-03 04:44:59,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:59,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:59,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-03 04:44:59,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 3108 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 251 states and 377 transitions. [2023-12-03 04:45:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 377 transitions. [2023-12-03 04:45:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-03 04:45:01,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:01,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:02,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-03 04:45:02,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3347 backedges. 0 proven. 3335 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 259 states and 389 transitions. [2023-12-03 04:45:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 389 transitions. [2023-12-03 04:45:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-12-03 04:45:03,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:03,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-03 04:45:03,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3582 backedges. 90 proven. 3480 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 267 states and 402 transitions. [2023-12-03 04:45:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 402 transitions. [2023-12-03 04:45:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-12-03 04:45:05,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:05,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:06,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 04:45:06,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3825 backedges. 93 proven. 3720 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 275 states and 414 transitions. [2023-12-03 04:45:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 414 transitions. [2023-12-03 04:45:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-12-03 04:45:07,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:07,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:07,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-03 04:45:07,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4076 backedges. 0 proven. 4064 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 283 states and 426 transitions. [2023-12-03 04:45:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 426 transitions. [2023-12-03 04:45:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-03 04:45:09,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:09,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:10,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-03 04:45:10,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4335 backedges. 0 proven. 4323 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 291 states and 438 transitions. [2023-12-03 04:45:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 438 transitions. [2023-12-03 04:45:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-03 04:45:11,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:12,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-03 04:45:12,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4602 backedges. 102 proven. 4488 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 299 states and 451 transitions. [2023-12-03 04:45:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 451 transitions. [2023-12-03 04:45:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-12-03 04:45:14,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:14,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:14,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-03 04:45:14,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4877 backedges. 105 proven. 4760 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 307 states and 463 transitions. [2023-12-03 04:45:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 463 transitions. [2023-12-03 04:45:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-12-03 04:45:16,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:16,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-03 04:45:16,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5160 backedges. 0 proven. 5148 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 315 states and 475 transitions. [2023-12-03 04:45:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 475 transitions. [2023-12-03 04:45:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-12-03 04:45:19,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:19,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-03 04:45:19,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5451 backedges. 0 proven. 5439 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 323 states and 487 transitions. [2023-12-03 04:45:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 487 transitions. [2023-12-03 04:45:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-12-03 04:45:21,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:21,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:21,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 04:45:21,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5750 backedges. 114 proven. 5624 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 331 states and 500 transitions. [2023-12-03 04:45:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 500 transitions. [2023-12-03 04:45:24,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-12-03 04:45:24,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:24,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:24,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 04:45:24,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6057 backedges. 0 proven. 6045 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 339 states and 512 transitions. [2023-12-03 04:45:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 512 transitions. [2023-12-03 04:45:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-12-03 04:45:27,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:27,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:27,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 82 conjunts are in the unsatisfiable core [2023-12-03 04:45:27,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6372 backedges. 120 proven. 6240 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 347 states and 525 transitions. [2023-12-03 04:45:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 525 transitions. [2023-12-03 04:45:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2023-12-03 04:45:29,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:29,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:29,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 85 conjunts are in the unsatisfiable core [2023-12-03 04:45:29,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6695 backedges. 0 proven. 6683 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 355 states and 537 transitions. [2023-12-03 04:45:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 537 transitions. [2023-12-03 04:45:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-03 04:45:32,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:32,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:32,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 86 conjunts are in the unsatisfiable core [2023-12-03 04:45:32,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7026 backedges. 126 proven. 6888 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 363 states and 550 transitions. [2023-12-03 04:45:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 550 transitions. [2023-12-03 04:45:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2023-12-03 04:45:34,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:34,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:35,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 88 conjunts are in the unsatisfiable core [2023-12-03 04:45:35,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 7365 backedges. 129 proven. 7224 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 371 states and 562 transitions. [2023-12-03 04:45:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 562 transitions. [2023-12-03 04:45:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2023-12-03 04:45:36,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:36,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:36,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 91 conjunts are in the unsatisfiable core [2023-12-03 04:45:36,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7712 backedges. 0 proven. 7700 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 379 states and 574 transitions. [2023-12-03 04:45:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 574 transitions. [2023-12-03 04:45:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2023-12-03 04:45:40,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:40,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:40,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-03 04:45:40,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8067 backedges. 135 proven. 7920 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 387 states and 587 transitions. [2023-12-03 04:45:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 587 transitions. [2023-12-03 04:45:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-12-03 04:45:43,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:43,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:43,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-03 04:45:43,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8430 backedges. 138 proven. 8280 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 395 states and 599 transitions. [2023-12-03 04:45:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 599 transitions. [2023-12-03 04:45:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2023-12-03 04:45:45,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 96 conjunts are in the unsatisfiable core [2023-12-03 04:45:45,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 8801 backedges. 141 proven. 8648 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 403 states and 611 transitions. [2023-12-03 04:45:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 611 transitions. [2023-12-03 04:45:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-12-03 04:45:47,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:47,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:47,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 98 conjunts are in the unsatisfiable core [2023-12-03 04:45:47,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 144 proven. 9024 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 411 states and 623 transitions. [2023-12-03 04:45:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 623 transitions. [2023-12-03 04:45:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-12-03 04:45:49,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:49,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:49,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 100 conjunts are in the unsatisfiable core [2023-12-03 04:45:49,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9567 backedges. 147 proven. 9408 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 419 states and 635 transitions. [2023-12-03 04:45:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 635 transitions. [2023-12-03 04:45:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-03 04:45:51,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:51,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:51,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 103 conjunts are in the unsatisfiable core [2023-12-03 04:45:51,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 9962 backedges. 0 proven. 9950 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 427 states and 647 transitions. [2023-12-03 04:45:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 647 transitions. [2023-12-03 04:45:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2023-12-03 04:45:57,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:57,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:57,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 103 conjunts are in the unsatisfiable core [2023-12-03 04:45:57,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10365 backedges. 10303 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:46:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 421 states and 638 transitions. [2023-12-03 04:46:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 638 transitions. [2023-12-03 04:46:09,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:46:09,331 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2023-12-03 04:46:09,339 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-03 04:46:09,952 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:46:09,956 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:46:09,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:46:09 ImpRootNode [2023-12-03 04:46:09,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:46:09,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:46:09,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:46:09,957 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:46:09,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:44:26" (3/4) ... [2023-12-03 04:46:09,959 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:46:09,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 04:46:09,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 04:46:09,966 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-03 04:46:09,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 04:46:09,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:46:09,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:46:09,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:46:10,030 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:46:10,031 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:46:10,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:46:10,032 INFO L158 Benchmark]: Toolchain (without parser) took 104130.03ms. Allocated memory was 188.7MB in the beginning and 989.9MB in the end (delta: 801.1MB). Free memory was 158.4MB in the beginning and 757.9MB in the end (delta: -599.5MB). Peak memory consumption was 202.2MB. Max. memory is 16.1GB. [2023-12-03 04:46:10,032 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:46:10,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.56ms. Allocated memory is still 188.7MB. Free memory was 158.1MB in the beginning and 151.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-12-03 04:46:10,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.70ms. Allocated memory is still 188.7MB. Free memory was 151.4MB in the beginning and 149.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:46:10,033 INFO L158 Benchmark]: Boogie Preprocessor took 18.23ms. Allocated memory is still 188.7MB. Free memory was 149.5MB in the beginning and 148.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:46:10,033 INFO L158 Benchmark]: RCFGBuilder took 365.43ms. Allocated memory is still 188.7MB. Free memory was 148.4MB in the beginning and 151.4MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:46:10,034 INFO L158 Benchmark]: CodeCheck took 103409.43ms. Allocated memory was 188.7MB in the beginning and 989.9MB in the end (delta: 801.1MB). Free memory was 151.4MB in the beginning and 763.1MB in the end (delta: -611.8MB). Peak memory consumption was 190.4MB. Max. memory is 16.1GB. [2023-12-03 04:46:10,034 INFO L158 Benchmark]: Witness Printer took 73.91ms. Allocated memory is still 989.9MB. Free memory was 763.1MB in the beginning and 757.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:46:10,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 102.8s, OverallIterations: 56, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14478 SdHoareTripleChecker+Valid, 62.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12687 mSDsluCounter, 21768 SdHoareTripleChecker+Invalid, 50.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11444 mSDsCounter, 16767 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48927 IncrementalHoareTripleChecker+Invalid, 65694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16767 mSolverCounterUnsat, 10324 mSDtfsCounter, 48927 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98669 GetRequests, 87205 SyntacticMatches, 10738 SemanticMatches, 726 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381215 ImplicationChecksByTransitivity, 77.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.1s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 43.3s InterpolantComputationTime, 11564 NumberOfCodeBlocks, 11564 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 11509 ConstructedInterpolants, 0 QuantifiedInterpolants, 33717 SizeOfPredicates, 2658 NumberOfNonLiveVariables, 26884 ConjunctsInSsa, 2789 ConjunctsInUnsatCore, 55 InterpolantComputations, 4 PerfectInterpolantSequences, 13065/181452 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.56ms. Allocated memory is still 188.7MB. Free memory was 158.1MB in the beginning and 151.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.70ms. Allocated memory is still 188.7MB. Free memory was 151.4MB in the beginning and 149.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.23ms. Allocated memory is still 188.7MB. Free memory was 149.5MB in the beginning and 148.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.43ms. Allocated memory is still 188.7MB. Free memory was 148.4MB in the beginning and 151.4MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 103409.43ms. Allocated memory was 188.7MB in the beginning and 989.9MB in the end (delta: 801.1MB). Free memory was 151.4MB in the beginning and 763.1MB in the end (delta: -611.8MB). Peak memory consumption was 190.4MB. Max. memory is 16.1GB. * Witness Printer took 73.91ms. Allocated memory is still 989.9MB. Free memory was 763.1MB in the beginning and 757.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:46:10,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f89db3-9aa2-422b-9236-aa6f570dd9b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE