./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:24:50,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:24:50,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:24:50,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:24:50,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:24:50,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:24:50,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:24:50,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:24:50,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:24:50,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:24:50,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:24:50,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:24:50,489 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:24:50,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:24:50,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:24:50,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:24:50,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:24:50,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:24:50,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:24:50,492 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:24:50,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:24:50,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:24:50,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:24:50,494 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:24:50,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:24:50,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:24:50,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:24:50,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:24:50,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:24:50,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:24:50,497 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:24:50,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:24:50,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:24:50,499 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_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 [2023-12-03 00:24:50,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:24:50,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:24:50,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:24:50,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:24:50,733 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:24:50,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-12-03 00:24:53,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:24:53,664 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:24:53,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-12-03 00:24:53,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/data/69ae429ce/ff2a8f329609412ca5137620cd79eb3f/FLAGe1a5807fd [2023-12-03 00:24:53,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/data/69ae429ce/ff2a8f329609412ca5137620cd79eb3f [2023-12-03 00:24:53,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:24:53,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:24:53,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:24:53,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:24:53,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:24:53,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1f9eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53, skipping insertion in model container [2023-12-03 00:24:53,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:24:53,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/sv-benchmarks/c/nla-digbench/prodbin-ll.c[537,550] [2023-12-03 00:24:53,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:24:53,863 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:24:53,873 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/sv-benchmarks/c/nla-digbench/prodbin-ll.c[537,550] [2023-12-03 00:24:53,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:24:53,889 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:24:53,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53 WrapperNode [2023-12-03 00:24:53,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:24:53,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:24:53,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:24:53,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:24:53,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,921 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2023-12-03 00:24:53,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:24:53,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:24:53,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:24:53,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:24:53,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:24:53,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:24:53,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:24:53,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:24:53,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:24:53" (1/1) ... [2023-12-03 00:24:53,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:24:53,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:24:53,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:24:53,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318de26a-c571-44bf-9c02-14847ad0cc1a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:24:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:24:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:24:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:24:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:24:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:24:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:24:54,082 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:24:54,085 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:24:54,199 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:24:54,254 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:24:54,254 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:24:54,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:24:54 BoogieIcfgContainer [2023-12-03 00:24:54,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:24:54,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:24:54,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:24:54,268 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:24:54,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:24:54" (1/1) ... [2023-12-03 00:24:54,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:24:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-12-03 00:24:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-12-03 00:24:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:24:54,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:54,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:54,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:24:54,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-03 00:24:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-03 00:24:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:24:54,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:54,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:54,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:54,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2023-12-03 00:24:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2023-12-03 00:24:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:24:54,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:54,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:54,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 00:24:54,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:58,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2023-12-03 00:24:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2023-12-03 00:24:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:24:58,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:58,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:58,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 00:24:58,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:14,354 WARN L293 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:25:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:25:35,022 WARN L293 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:25:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2023-12-03 00:25:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2023-12-03 00:25:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:25:35,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:35,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 00:25:35,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:59,495 WARN L293 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:26:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:26:06,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:26:09,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2023-12-03 00:26:09,561 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2023-12-03 00:26:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:26:09,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:09,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:09,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 00:26:09,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:29,277 WARN L293 SmtUtils]: Spent 10.43s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:26:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:27:06,746 WARN L293 SmtUtils]: Spent 24.61s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:27:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2023-12-03 00:27:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2023-12-03 00:27:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:27:07,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:07,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:07,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 00:27:07,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:31,042 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 17 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:27:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:28:05,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:28:09,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2023-12-03 00:28:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2023-12-03 00:28:09,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:28:09,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:09,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:09,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 00:28:09,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:36,846 WARN L293 SmtUtils]: Spent 11.36s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:28:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 00:29:04,050 WARN L293 SmtUtils]: Spent 10.74s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:29:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-12-03 00:29:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-12-03 00:29:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:29:05,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:05,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:06,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 00:29:06,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:46,759 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:30:12,434 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:30:30,988 WARN L293 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:30:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 00:31:03,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:31:14,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2023-12-03 00:31:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2023-12-03 00:31:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:31:14,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:14,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:15,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 00:31:15,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:01,510 WARN L293 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:32:34,636 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:32:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 00:32:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:38,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2023-12-03 00:32:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2023-12-03 00:32:39,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:32:39,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:40,064 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 00:32:40,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 00:34:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2023-12-03 00:34:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2023-12-03 00:34:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:34:01,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:01,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:02,520 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-03 00:34:02,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:46,727 WARN L293 SmtUtils]: Spent 8.63s on a formula simplification. DAG size of input: 18 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:34:59,119 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:35:08,133 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 21 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:35:17,294 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 23 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:35:37,027 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:35:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 00:36:18,243 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 375 DAG size of output: 207 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:36:30,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:36:40,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:36:50,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:37:00,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:37:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2023-12-03 00:37:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-12-03 00:37:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:37:00,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:00,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:37:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:01,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 00:37:01,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:34,981 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:37:53,916 WARN L293 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:38:05,911 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:38:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 00:38:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2023-12-03 00:38:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-12-03 00:38:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:38:33,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:33,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:38:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:34,422 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 00:38:34,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:58,116 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:39:26,155 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:39:39,571 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:39:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 00:39:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2023-12-03 00:39:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-12-03 00:39:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:39:59,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:00,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 00:40:00,948 INFO L285 TraceCheckSpWp]: Computing forward predicates...