./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk --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 c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:39:39,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:39:39,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:39:39,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:39:39,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:39:39,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:39:39,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:39:39,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:39:39,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:39:39,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:39:39,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:39:39,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:39:39,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:39:39,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:39:39,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:39:39,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:39:39,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:39:39,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:39:39,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:39:39,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:39:39,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:39:39,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:39:39,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:39:39,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:39:39,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:39:39,904 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:39:39,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:39:39,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:39,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:39:39,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:39:39,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:39:39,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:39:39,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:39:39,906 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_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 [2024-11-08 22:39:40,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:39:40,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:39:40,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:39:40,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:39:40,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:39:40,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i Unable to find full path for "g++" [2024-11-08 22:39:42,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:39:42,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:39:42,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2024-11-08 22:39:42,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/data/8026e977d/fe06881e329d490094694d343e156f72/FLAGa57eeabfa [2024-11-08 22:39:42,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/data/8026e977d/fe06881e329d490094694d343e156f72 [2024-11-08 22:39:42,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:39:42,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:39:42,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:42,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:39:42,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:39:42,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1d5ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42, skipping insertion in model container [2024-11-08 22:39:42,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:43,043 WARN L250 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_fb95f75b-a77f-4532-83c5-ae83a8e1392a/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-11-08 22:39:43,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:43,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:43,095 WARN L250 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_fb95f75b-a77f-4532-83c5-ae83a8e1392a/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-11-08 22:39:43,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:43,124 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:43,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43 WrapperNode [2024-11-08 22:39:43,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:43,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:43,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:43,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:43,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,160 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-08 22:39:43,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:43,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:43,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:43,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:43,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:43,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:43,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:43,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:43,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:43,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:43,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb95f75b-a77f-4532-83c5-ae83a8e1392a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:39:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:39:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:39:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:39:43,313 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:43,315 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:39:43,456 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:39:43,456 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:39:43,514 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:39:43,515 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:39:43,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:43 BoogieIcfgContainer [2024-11-08 22:39:43,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:39:43,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:39:43,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:39:43,527 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:39:43,528 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:43" (1/1) ... [2024-11-08 22:39:43,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:39:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 22:39:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 22:39:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:39:43,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:43,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:39:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:39:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:39:43,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:43,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:43,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:39:43,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-08 22:39:44,140 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-08 22:39:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:39:44,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:44,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:44,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:45,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 22:39:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 22:39:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:39:45,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:45,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 22:39:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 22:39:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:39:45,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:45,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:45,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:39:45,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-11-08 22:39:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-08 22:39:47,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:39:47,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:47,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:47,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:39:47,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 22:39:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 22:39:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:39:50,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:50,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:50,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:39:50,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2024-11-08 22:39:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2024-11-08 22:39:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:39:52,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:52,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:39:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2024-11-08 22:39:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2024-11-08 22:39:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:39:56,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:56,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:56,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 22:39:56,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:40:01,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 66 states and 128 transitions. [2024-11-08 22:40:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2024-11-08 22:40:01,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:40:01,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:40:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:01,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:40:01,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:40:13,866 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 [] [2024-11-08 22:40:27,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:40:38,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:40:48,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:40:58,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:41:00,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:41:12,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:41:13,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 69 states and 144 transitions. [2024-11-08 22:41:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 144 transitions. [2024-11-08 22:41:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:41:13,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:13,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:13,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:41:13,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:41:34,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:41:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 77 states and 160 transitions. [2024-11-08 22:41:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 160 transitions. [2024-11-08 22:41:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:41:35,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:35,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:35,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 22:41:35,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:51,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:42:01,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:42:02,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:42:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 82 states and 168 transitions. [2024-11-08 22:42:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 168 transitions. [2024-11-08 22:42:02,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:42:02,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:02,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:03,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:42:03,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:42:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 92 states and 188 transitions. [2024-11-08 22:42:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 188 transitions. [2024-11-08 22:42:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:42:09,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:09,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:09,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:42:09,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:42:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 95 states and 195 transitions. [2024-11-08 22:42:17,213 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 195 transitions. [2024-11-08 22:42:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:42:17,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:17,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:39,876 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:42:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:42:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 97 states and 199 transitions. [2024-11-08 22:42:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 199 transitions. [2024-11-08 22:42:52,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:42:52,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:52,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:53,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:42:53,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:43:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 95 states and 194 transitions. [2024-11-08 22:43:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 194 transitions. [2024-11-08 22:43:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:43:03,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:03,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 22:43:03,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:43:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 100 states and 205 transitions. [2024-11-08 22:43:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 205 transitions. [2024-11-08 22:43:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 22:43:41,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:41,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 22:43:41,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:44:34,352 WARN L286 SmtUtils]: Spent 30.94s on a formula simplification that was a NOOP. DAG size: 166 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:44:36,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:44:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:36,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 111 states and 227 transitions. [2024-11-08 22:44:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 227 transitions. [2024-11-08 22:44:36,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:44:36,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:36,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:44:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:37,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 22:44:37,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 5 proven. 52 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:45:43,369 WARN L286 SmtUtils]: Spent 31.08s on a formula simplification that was a NOOP. DAG size: 177 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:45:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 116 states and 238 transitions. [2024-11-08 22:45:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 238 transitions. [2024-11-08 22:45:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:45:46,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:48:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 118 states and 242 transitions. [2024-11-08 22:48:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 242 transitions. [2024-11-08 22:48:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:48:24,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:24,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:48:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:48:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:24,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 22:48:24,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:35,946 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:49:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:51:17,491 WARN L286 SmtUtils]: Spent 36.00s on a formula simplification. DAG size of input: 67 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:52:13,425 WARN L286 SmtUtils]: Spent 34.64s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:53:14,795 WARN L286 SmtUtils]: Spent 48.99s on a formula simplification. DAG size of input: 142 DAG size of output: 137 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:53:39,621 WARN L286 SmtUtils]: Spent 11.41s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:54:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 123 states and 253 transitions. [2024-11-08 22:54:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 253 transitions. [2024-11-08 22:54:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:54:02,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:02,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:54:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 22:54:05,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:19,579 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:54:39,604 WARN L286 SmtUtils]: Spent 20.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)