./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2 --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 c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:08,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:08,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:08,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:08,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:08,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:08,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:08,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:08,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:08,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:08,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:08,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:08,761 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:08,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:08,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:08,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:08,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:08,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:08,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:08,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:08,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:08,769 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:08,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:08,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:08,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:08,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:08,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:08,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:08,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:08,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:08,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:08,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:08,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:08,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:08,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:08,780 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_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2023-11-21 18:36:09,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:09,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:09,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:09,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:09,113 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:09,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-21 18:36:12,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:12,569 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:12,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-21 18:36:12,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/data/47ec4ae8a/60c2ed4db0184811a37727d14705d2ee/FLAGbf54972c4 [2023-11-21 18:36:12,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/data/47ec4ae8a/60c2ed4db0184811a37727d14705d2ee [2023-11-21 18:36:12,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:12,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:12,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:12,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:12,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:12,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:12,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6223b391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12, skipping insertion in model container [2023-11-21 18:36:12,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:12,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:12,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:12,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:12,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:12,990 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:12,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12 WrapperNode [2023-11-21 18:36:12,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:12,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:12,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:12,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:13,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,054 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-21 18:36:13,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:13,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:13,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:13,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:13,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:13,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:13,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:13,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:13,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:13,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:13,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:13,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:13,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a7f15d-4e51-4726-b391-175e7935d86e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:36:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:36:13,251 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:13,254 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:13,727 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:13,781 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:13,781 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:36:13,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:13 BoogieIcfgContainer [2023-11-21 18:36:13,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:13,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:13,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:13,801 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:13,802 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:13" (1/1) ... [2023-11-21 18:36:13,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:36:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:36:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:36:13,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:36:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:36:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:36:14,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:14,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:36:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:36:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:36:14,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:36:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:36:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:14,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:36:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:36:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:15,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:15,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2023-11-21 18:36:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-21 18:36:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:36:15,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-21 18:36:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-21 18:36:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:16,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 104 states and 154 transitions. [2023-11-21 18:36:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-21 18:36:17,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:17,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2023-11-21 18:36:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-21 18:36:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:18,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2023-11-21 18:36:20,394 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2023-11-21 18:36:20,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:20,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2023-11-21 18:36:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-11-21 18:36:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:21,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:21,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:21,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:21,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 241 transitions. [2023-11-21 18:36:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2023-11-21 18:36:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:22,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:22,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:22,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 146 states and 293 transitions. [2023-11-21 18:36:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 293 transitions. [2023-11-21 18:36:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:23,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:23,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:23,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:23,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 157 states and 319 transitions. [2023-11-21 18:36:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 319 transitions. [2023-11-21 18:36:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:26,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:26,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 158 states and 320 transitions. [2023-11-21 18:36:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 320 transitions. [2023-11-21 18:36:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:26,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:26,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:26,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 164 states and 330 transitions. [2023-11-21 18:36:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 330 transitions. [2023-11-21 18:36:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:27,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:27,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:27,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:27,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 177 states and 357 transitions. [2023-11-21 18:36:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 357 transitions. [2023-11-21 18:36:30,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:30,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:30,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 184 states and 368 transitions. [2023-11-21 18:36:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 368 transitions. [2023-11-21 18:36:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:32,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:32,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:36,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 198 states and 394 transitions. [2023-11-21 18:36:36,366 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 394 transitions. [2023-11-21 18:36:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:36,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:36,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:36,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:36,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 199 states and 404 transitions. [2023-11-21 18:36:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 404 transitions. [2023-11-21 18:36:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:36:36,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:36,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:36,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:36,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:36:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 209 states and 429 transitions. [2023-11-21 18:36:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 429 transitions. [2023-11-21 18:36:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:39,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:39,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:39,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:39,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:36:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 220 states and 455 transitions. [2023-11-21 18:36:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 455 transitions. [2023-11-21 18:36:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:42,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:42,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:42,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:42,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 234 states and 493 transitions. [2023-11-21 18:36:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 493 transitions. [2023-11-21 18:36:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:45,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:45,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:45,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:45,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:46,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 238 states and 498 transitions. [2023-11-21 18:36:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 498 transitions. [2023-11-21 18:36:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:36:46,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:46,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:46,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:46,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 246 states and 528 transitions. [2023-11-21 18:36:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 528 transitions. [2023-11-21 18:36:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:36:49,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:49,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:49,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:49,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:49,308 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:50,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 250 states and 532 transitions. [2023-11-21 18:36:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 532 transitions. [2023-11-21 18:36:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:50,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:50,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:50,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:50,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 256 states and 555 transitions. [2023-11-21 18:36:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 555 transitions. [2023-11-21 18:36:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:51,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:51,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:51,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:51,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:55,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 269 states and 589 transitions. [2023-11-21 18:36:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 589 transitions. [2023-11-21 18:36:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:36:55,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:55,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 270 states and 590 transitions. [2023-11-21 18:36:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 590 transitions. [2023-11-21 18:36:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:36:55,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:55,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 279 states and 615 transitions. [2023-11-21 18:36:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 615 transitions. [2023-11-21 18:36:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:36:56,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:56,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:36:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 290 states and 647 transitions. [2023-11-21 18:36:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 647 transitions. [2023-11-21 18:36:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:36:59,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:59,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:59,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 294 states and 651 transitions. [2023-11-21 18:37:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 651 transitions. [2023-11-21 18:37:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:37:00,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:00,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:00,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.