./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/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_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/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_a38546f2-6ea0-421d-8860-779deb498290/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 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:59:48,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:59:48,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:59:48,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:59:48,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:59:48,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:59:48,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:59:48,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:59:48,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:59:48,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:59:48,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:59:48,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:59:48,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:59:48,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:59:48,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:59:48,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:59:48,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:59:48,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:59:48,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:59:48,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:59:48,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:59:48,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:59:48,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:59:48,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:59:48,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:59:48,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:59:48,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:48,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:59:48,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:59:48,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:59:48,905 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:59:48,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:59:48,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:59:48,905 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_a38546f2-6ea0-421d-8860-779deb498290/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 [2023-12-02 23:59:49,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:59:49,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:59:49,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:59:49,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:59:49,142 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:59:49,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2023-12-02 23:59:51,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:59:52,066 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:59:52,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2023-12-02 23:59:52,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/data/1f156848f/e037a3627e404cb099b8f6674cda9da5/FLAG7d6d718cf [2023-12-02 23:59:52,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/data/1f156848f/e037a3627e404cb099b8f6674cda9da5 [2023-12-02 23:59:52,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:59:52,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:59:52,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:52,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:59:52,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:59:52,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a93bb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52, skipping insertion in model container [2023-12-02 23:59:52,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:59:52,237 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_a38546f2-6ea0-421d-8860-779deb498290/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i[950,963] [2023-12-02 23:59:52,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:52,263 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:59:52,274 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_a38546f2-6ea0-421d-8860-779deb498290/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i[950,963] [2023-12-02 23:59:52,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:52,295 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:59:52,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52 WrapperNode [2023-12-02 23:59:52,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:52,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:52,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:59:52,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:59:52,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,323 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-12-02 23:59:52,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:52,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:59:52,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:59:52,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:59:52,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:59:52,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:59:52,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:59:52,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:59:52,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:52,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:59:52,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:59:52,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38546f2-6ea0-421d-8860-779deb498290/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:59:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:59:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:59:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:59:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:59:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:59:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:59:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:59:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:59:52,481 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:59:52,483 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:59:52,625 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:59:52,667 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:59:52,667 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:59:52,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:52 BoogieIcfgContainer [2023-12-02 23:59:52,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:59:52,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:59:52,670 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:59:52,680 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:59:52,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:52" (1/1) ... [2023-12-02 23:59:52,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:59:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-12-02 23:59:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-12-02 23:59:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:59:52,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:52,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:52,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:59:52,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:59:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-12-02 23:59:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-12-02 23:59:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:59:52,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:52,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:53,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:59:53,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:59:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 36 transitions. [2023-12-02 23:59:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-12-02 23:59:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:59:53,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:53,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:53,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:59:53,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:59:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 42 transitions. [2023-12-02 23:59:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-12-02 23:59:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:59:54,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:54,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:54,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:59:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 52 transitions. [2023-12-02 23:59:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2023-12-02 23:59:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:59:54,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:54,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 23:59:54,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:00:03,497 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:00:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 63 transitions. [2023-12-03 00:00:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-12-03 00:00:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:00:05,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:05,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:05,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:00:05,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:00:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 49 states and 79 transitions. [2023-12-03 00:00:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2023-12-03 00:00:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:00:11,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:11,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:00:21,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 00:00:21,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:00:45,660 WARN L293 SmtUtils]: Spent 9.87s on a formula simplification. DAG size of input: 72 DAG size of output: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:00:58,383 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:01:11,232 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:01:26,024 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:01:46,061 WARN L293 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:01:58,255 WARN L293 SmtUtils]: Spent 12.19s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:02:10,883 WARN L293 SmtUtils]: Spent 12.63s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:02:23,862 WARN L293 SmtUtils]: Spent 12.98s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:02:42,667 WARN L293 SmtUtils]: Spent 18.80s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:03:02,709 WARN L293 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:03:27,046 WARN L293 SmtUtils]: Spent 20.17s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:03:47,113 WARN L293 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:04:07,163 WARN L293 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:04:27,231 WARN L293 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:04:42,822 WARN L293 SmtUtils]: Spent 15.59s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:04:49,487 WARN L293 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:05:05,974 WARN L293 SmtUtils]: Spent 12.25s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:05:21,689 WARN L293 SmtUtils]: Spent 13.14s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:05:31,639 WARN L293 SmtUtils]: Spent 9.95s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:05:41,149 WARN L293 SmtUtils]: Spent 9.51s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:05:55,849 WARN L293 SmtUtils]: Spent 14.70s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:06:17,473 WARN L293 SmtUtils]: Spent 16.05s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:06:29,130 WARN L293 SmtUtils]: Spent 11.66s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:06:36,505 WARN L293 SmtUtils]: Spent 7.37s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:06:48,461 WARN L293 SmtUtils]: Spent 11.96s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:06:55,060 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:07:05,955 WARN L293 SmtUtils]: Spent 10.89s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:07:34,027 WARN L293 SmtUtils]: Spent 20.07s on a formula simplification. DAG size of input: 24 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:07:48,053 WARN L293 SmtUtils]: Spent 11.05s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:08:08,085 WARN L293 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:08:28,128 WARN L293 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:08:41,256 WARN L293 SmtUtils]: Spent 13.13s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:08:53,135 WARN L293 SmtUtils]: Spent 11.88s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:09:05,896 WARN L293 SmtUtils]: Spent 12.65s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:09:19,516 WARN L293 SmtUtils]: Spent 13.62s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:09:39,543 WARN L293 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:09:59,649 WARN L293 SmtUtils]: Spent 20.11s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:10:11,125 WARN L293 SmtUtils]: Spent 11.47s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:10:31,723 WARN L293 SmtUtils]: Spent 20.60s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:10:44,024 WARN L293 SmtUtils]: Spent 12.23s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:11:04,114 WARN L293 SmtUtils]: Spent 20.09s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:11:22,899 WARN L293 SmtUtils]: Spent 18.78s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:11:43,042 WARN L293 SmtUtils]: Spent 20.14s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:11:56,153 WARN L293 SmtUtils]: Spent 13.11s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:12:16,224 WARN L293 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:12:35,809 WARN L293 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:12:55,842 WARN L293 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:13:10,828 WARN L293 SmtUtils]: Spent 14.99s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:13:31,033 WARN L293 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:13:58,476 WARN L293 SmtUtils]: Spent 27.44s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:14:11,324 WARN L293 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:14:24,812 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:15:00,973 WARN L293 SmtUtils]: Spent 20.12s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)