./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/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_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/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_ab8be794-26dc-4f55-bbd0-d520efd0853d/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 a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:50,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:50,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:04:50,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:04:50,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:04:50,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:50,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:50,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:50,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:50,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:50,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:50,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:50,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:04:50,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:04:50,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:04:50,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:50,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:50,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:50,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:50,933 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:04:50,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:04:50,934 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:04:50,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:50,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:50,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:50,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:50,936 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:50,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:50,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:50,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:50,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:50,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:50,939 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:04:50,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:04:50,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:50,939 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_ab8be794-26dc-4f55-bbd0-d520efd0853d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 [2023-11-23 20:04:51,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:51,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:51,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:51,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:51,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:51,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-23 20:04:54,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:54,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:54,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-23 20:04:54,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/data/178c9cae6/4261823bc8154984ab2cb6c5dcfab21a/FLAG1f7272080 [2023-11-23 20:04:55,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/data/178c9cae6/4261823bc8154984ab2cb6c5dcfab21a [2023-11-23 20:04:55,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:55,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:55,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:55,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:55,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:55,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724d6336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55, skipping insertion in model container [2023-11-23 20:04:55,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:55,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:55,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:04:55,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:55,354 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:04:55,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55 WrapperNode [2023-11-23 20:04:55,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:55,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:55,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:04:55,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:04:55,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,406 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-23 20:04:55,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:55,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:04:55,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:04:55,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:04:55,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:04:55,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:04:55,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:04:55,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:04:55,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:55,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:55,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:04:55,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:04:55,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab8be794-26dc-4f55-bbd0-d520efd0853d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:04:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:04:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:04:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:04:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:04:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:04:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:04:55,588 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:04:55,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:04:55,926 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:04:55,976 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:04:55,976 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:04:55,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:55 BoogieIcfgContainer [2023-11-23 20:04:55,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:04:55,979 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:04:55,979 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:04:55,990 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:04:55,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:55" (1/1) ... [2023-11-23 20:04:56,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:04:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 20:04:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 20:04:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:04:56,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:56,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:56,283 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 20:04:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 20:04:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 20:04:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:04:56,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:56,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:56,401 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 20:04:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 20:04:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 20:04:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:04:56,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:56,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:56,594 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 20:04:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 20:04:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:04:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:04:56,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:56,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:56,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:04:56,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:04:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 20:04:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 20:04:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:04:57,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:57,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:57,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:04:57,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:04:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2023-11-23 20:04:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-23 20:04:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:04:57,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:57,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:57,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:04:57,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:04:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-23 20:04:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-23 20:04:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:57,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:57,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:57,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:04:57,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:04:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 104 states and 154 transitions. [2023-11-23 20:04:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-23 20:04:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:58,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:58,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:58,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:04:58,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:04:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2023-11-23 20:04:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-23 20:04:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:04:59,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:59,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:59,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:04:59,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2023-11-23 20:05:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2023-11-23 20:05:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:01,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:01,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:01,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:01,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2023-11-23 20:05:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-11-23 20:05:02,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:05:02,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:02,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:02,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:02,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 241 transitions. [2023-11-23 20:05:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2023-11-23 20:05:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:03,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:03,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:03,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 241 transitions. [2023-11-23 20:05:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 241 transitions. [2023-11-23 20:05:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:03,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:03,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:03,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:03,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:05,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:05,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 266 transitions. [2023-11-23 20:05:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2023-11-23 20:05:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:05,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:05,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:05,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:05,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 147 states and 267 transitions. [2023-11-23 20:05:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 267 transitions. [2023-11-23 20:05:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:05,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:05,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:05,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:05,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 161 states and 325 transitions. [2023-11-23 20:05:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 325 transitions. [2023-11-23 20:05:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:05:08,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:08,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:08,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:08,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 174 states and 352 transitions. [2023-11-23 20:05:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 352 transitions. [2023-11-23 20:05:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:05:11,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 181 states and 363 transitions. [2023-11-23 20:05:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 363 transitions. [2023-11-23 20:05:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:05:12,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:12,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 195 states and 388 transitions. [2023-11-23 20:05:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 388 transitions. [2023-11-23 20:05:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:16,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:16,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 196 states and 388 transitions. [2023-11-23 20:05:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 388 transitions. [2023-11-23 20:05:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:16,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:16,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 206 states and 412 transitions. [2023-11-23 20:05:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 412 transitions. [2023-11-23 20:05:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:05:19,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 217 states and 437 transitions. [2023-11-23 20:05:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 437 transitions. [2023-11-23 20:05:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:22,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 231 states and 474 transitions. [2023-11-23 20:05:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 474 transitions. [2023-11-23 20:05:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:05:26,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 239 states and 504 transitions. [2023-11-23 20:05:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 504 transitions. [2023-11-23 20:05:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:29,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 245 states and 527 transitions. [2023-11-23 20:05:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 527 transitions. [2023-11-23 20:05:30,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:30,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 258 states and 560 transitions. [2023-11-23 20:05:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 560 transitions. [2023-11-23 20:05:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:05:34,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 259 states and 561 transitions. [2023-11-23 20:05:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 561 transitions. [2023-11-23 20:05:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:05:34,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 268 states and 586 transitions. [2023-11-23 20:05:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 586 transitions. [2023-11-23 20:05:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:35,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:35,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 279 states and 617 transitions. [2023-11-23 20:05:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 617 transitions. [2023-11-23 20:05:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:38,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 288 states and 642 transitions. [2023-11-23 20:05:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 642 transitions. [2023-11-23 20:05:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:05:39,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 294 states and 648 transitions. [2023-11-23 20:05:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 648 transitions. [2023-11-23 20:05:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:05:41,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:41,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:41,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 308 states and 688 transitions. [2023-11-23 20:05:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 688 transitions. [2023-11-23 20:05:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:05:45,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:45,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.