./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8cecbb1437ef2a2416e9d468bf4de8fbbd7da1f76f2f86e847aa165ffb35626c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:48,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:48,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:48,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:48,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:48,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:48,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:48,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:48,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:48,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:48,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:48,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:48,481 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:48,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:48,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:48,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:48,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:48,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:48,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:48,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:48,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:48,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:48,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:48,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:48,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:48,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:48,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:48,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:48,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:48,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:48,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:48,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:48,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:48,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:48,494 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:48,495 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_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cecbb1437ef2a2416e9d468bf4de8fbbd7da1f76f2f86e847aa165ffb35626c [2023-11-23 20:15:48,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:48,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:48,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:48,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:48,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:48,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.c [2023-11-23 20:15:51,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:52,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:52,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.c [2023-11-23 20:15:52,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/data/eaaaa93f2/f7f7903de3d04197a14d0e016f73a9f8/FLAG5dde0b7ab [2023-11-23 20:15:52,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/data/eaaaa93f2/f7f7903de3d04197a14d0e016f73a9f8 [2023-11-23 20:15:52,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:52,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:52,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:52,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:52,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:52,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf7b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52, skipping insertion in model container [2023-11-23 20:15:52,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:52,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:52,521 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:52,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:52,554 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:52,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52 WrapperNode [2023-11-23 20:15:52,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:52,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:52,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:52,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:52,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,609 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-23 20:15:52,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:52,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:52,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:52,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:52,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:52,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:52,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:52,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:52,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:52" (1/1) ... [2023-11-23 20:15:52,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:52,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:52,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c48d906-01cd-4fcf-886c-d3795129dcaf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:52,782 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:52,785 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:53,041 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:53,109 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:53,109 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:15:53,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:53 BoogieIcfgContainer [2023-11-23 20:15:53,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:53,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:53,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:53,126 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:53,126 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:53" (1/1) ... [2023-11-23 20:15:53,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-23 20:15:53,201 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-23 20:15:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:15:53,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-23 20:15:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-23 20:15:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:15:53,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-23 20:15:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-23 20:15:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:15:53,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-23 20:15:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-23 20:15:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:15:53,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2023-11-23 20:15:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2023-11-23 20:15:54,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:15:54,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:54,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 58 states and 64 transitions. [2023-11-23 20:15:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2023-11-23 20:15:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:15:54,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:54,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2023-11-23 20:15:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2023-11-23 20:15:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:15:55,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:55,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:55,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:55,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2023-11-23 20:15:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2023-11-23 20:15:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:15:56,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:56,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:56,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 79 states and 97 transitions. [2023-11-23 20:15:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2023-11-23 20:15:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:15:57,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:57,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:57,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2023-11-23 20:16:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2023-11-23 20:16:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:16:00,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:00,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:00,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:00,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 98 states and 129 transitions. [2023-11-23 20:16:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2023-11-23 20:16:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:16:02,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:02,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:02,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 101 states and 135 transitions. [2023-11-23 20:16:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2023-11-23 20:16:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:03,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:03,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:03,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:03,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:03,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 103 states and 137 transitions. [2023-11-23 20:16:03,784 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2023-11-23 20:16:03,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:03,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:03,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:03,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 156 transitions. [2023-11-23 20:16:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2023-11-23 20:16:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:05,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:05,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:07,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 119 states and 170 transitions. [2023-11-23 20:16:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2023-11-23 20:16:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:16:07,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:07,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:07,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:07,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 128 states and 189 transitions. [2023-11-23 20:16:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 189 transitions. [2023-11-23 20:16:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:16:10,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:10,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:10,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:11,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 135 states and 203 transitions. [2023-11-23 20:16:11,982 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 203 transitions. [2023-11-23 20:16:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:16:11,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:11,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:12,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:12,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 223 transitions. [2023-11-23 20:16:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 223 transitions. [2023-11-23 20:16:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:16:15,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:15,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 147 states and 227 transitions. [2023-11-23 20:16:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 227 transitions. [2023-11-23 20:16:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:16:16,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:16,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 158 states and 256 transitions. [2023-11-23 20:16:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 256 transitions. [2023-11-23 20:16:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:16:19,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:19,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:19,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:21,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 265 transitions. [2023-11-23 20:16:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2023-11-23 20:16:21,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:16:21,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:21,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:21,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:21,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 165 states and 270 transitions. [2023-11-23 20:16:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-23 20:16:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:16:22,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:22,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:22,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:22,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 177 states and 315 transitions. [2023-11-23 20:16:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 315 transitions. [2023-11-23 20:16:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:16:25,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:25,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:25,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:25,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 179 states and 318 transitions. [2023-11-23 20:16:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 318 transitions. [2023-11-23 20:16:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:26,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:26,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:26,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:26,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 192 states and 358 transitions. [2023-11-23 20:16:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 358 transitions. [2023-11-23 20:16:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:30,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:30,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:30,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 196 states and 368 transitions. [2023-11-23 20:16:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 368 transitions. [2023-11-23 20:16:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:31,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:31,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:31,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:31,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 197 states and 373 transitions. [2023-11-23 20:16:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 373 transitions. [2023-11-23 20:16:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:32,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:32,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:32,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:32,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:32,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 206 states and 397 transitions. [2023-11-23 20:16:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 397 transitions. [2023-11-23 20:16:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:35,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:35,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:35,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 223 states and 438 transitions. [2023-11-23 20:16:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 438 transitions. [2023-11-23 20:16:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:39,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:39,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:39,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:39,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 231 states and 454 transitions. [2023-11-23 20:16:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 454 transitions. [2023-11-23 20:16:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:42,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:42,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:42,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:42,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 239 states and 469 transitions. [2023-11-23 20:16:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 469 transitions. [2023-11-23 20:16:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:16:44,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:44,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.