./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3 --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 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:20:49,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:20:50,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:20:50,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:20:50,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:20:50,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:20:50,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:20:50,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:20:50,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:20:50,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:20:50,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:20:50,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:20:50,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:20:50,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:20:50,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:20:50,077 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:20:50,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:20:50,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:50,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:20:50,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:20:50,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:20:50,080 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:20:50,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:20:50,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2024-11-25 05:20:50,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:20:50,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:20:50,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:20:50,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:20:50,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:20:50,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-11-25 05:20:53,598 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/data/27e28f9af/078945bde1114ecb8f63975f098dd31a/FLAGe2fa440b1 [2024-11-25 05:20:53,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:20:53,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-11-25 05:20:53,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/data/27e28f9af/078945bde1114ecb8f63975f098dd31a/FLAGe2fa440b1 [2024-11-25 05:20:53,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/data/27e28f9af/078945bde1114ecb8f63975f098dd31a [2024-11-25 05:20:53,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:20:53,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:20:53,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:53,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:20:53,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:20:53,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3e840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53, skipping insertion in model container [2024-11-25 05:20:53,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:20:54,126 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_cf586382-02ad-47ce-985c-f62642e93291/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-11-25 05:20:54,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:54,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:20:54,190 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_cf586382-02ad-47ce-985c-f62642e93291/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-11-25 05:20:54,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:54,217 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:20:54,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54 WrapperNode [2024-11-25 05:20:54,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:54,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:54,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:20:54,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:20:54,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,265 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-25 05:20:54,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:54,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:20:54,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:20:54,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:20:54,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:20:54,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:20:54,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:20:54,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:20:54,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:54,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:20:54,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:20:54,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf586382-02ad-47ce-985c-f62642e93291/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:20:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:20:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:20:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:20:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:20:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:20:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:20:54,458 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:20:54,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:20:54,664 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 05:20:54,664 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:20:54,740 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:20:54,740 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:20:54,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:54 BoogieIcfgContainer [2024-11-25 05:20:54,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:20:54,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:20:54,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:20:54,755 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:20:54,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:20:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-25 05:20:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-25 05:20:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:20:54,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:54,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-25 05:20:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-25 05:20:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:20:55,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:55,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:55,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-25 05:20:55,590 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-25 05:20:55,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:20:55,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:55,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-25 05:20:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-25 05:20:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:20:56,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-25 05:20:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-25 05:20:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:20:56,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:56,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:20:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:57,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 05:20:57,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:20:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-25 05:20:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-25 05:20:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 05:20:58,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:20:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:58,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 05:20:58,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:21:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-25 05:21:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-25 05:21:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 05:21:00,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:00,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:21:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-11-25 05:21:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-11-25 05:21:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 05:21:02,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:02,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:21:03,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-11-25 05:21:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-11-25 05:21:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:21:03,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 05:21:36,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:21:47,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:21:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 122 transitions. [2024-11-25 05:21:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 122 transitions. [2024-11-25 05:21:51,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:21:51,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:51,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 05:21:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 61 states and 130 transitions. [2024-11-25 05:21:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 130 transitions. [2024-11-25 05:21:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:21:54,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:54,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 05:21:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 132 transitions. [2024-11-25 05:21:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-11-25 05:21:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 05:21:55,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:55,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:21:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:56,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 05:21:56,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:21:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 05:22:17,381 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 27 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:22:48,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:24:18,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 69 states and 148 transitions. [2024-11-25 05:24:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 148 transitions. [2024-11-25 05:24:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 05:24:18,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:18,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:24:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:18,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:24:18,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 05:24:53,780 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 [] [2024-11-25 05:24:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 74 states and 163 transitions. [2024-11-25 05:24:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 163 transitions. [2024-11-25 05:24:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 05:24:53,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:53,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:24:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:53,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:24:53,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 05:25:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 78 states and 172 transitions. [2024-11-25 05:25:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 172 transitions. [2024-11-25 05:25:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:25:28,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:28,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:25:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:25:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:28,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:28,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 05:25:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 81 states and 183 transitions. [2024-11-25 05:25:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 183 transitions. [2024-11-25 05:25:30,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 05:25:30,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:30,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:25:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 05:25:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 86 states and 196 transitions. [2024-11-25 05:25:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 196 transitions. [2024-11-25 05:25:37,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 05:25:37,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:37,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:25:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 05:25:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 93 states and 217 transitions. [2024-11-25 05:25:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 217 transitions. [2024-11-25 05:25:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:25:44,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:44,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:25:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:25:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:45,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 05:25:45,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:09,691 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 05:26:59,322 WARN L286 SmtUtils]: Spent 20.27s on a formula simplification. DAG size of input: 26 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:27:30,752 WARN L286 SmtUtils]: Spent 10.60s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:27:52,886 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:28:03,679 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:28:16,208 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:28:46,584 WARN L286 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 27 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:29:17,262 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:29:18,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:29:29,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:29:29,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:29,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 104 states and 249 transitions. [2024-11-25 05:29:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 249 transitions. [2024-11-25 05:29:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:29:29,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:29,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:29:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:29:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:29,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:29:29,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:29,765 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 05:30:01,839 WARN L286 SmtUtils]: Spent 20.10s on a formula simplification. DAG size of input: 28 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:30:16,296 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:30:26,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:31:17,964 WARN L286 SmtUtils]: Spent 20.09s on a formula simplification. DAG size of input: 26 DAG size of output: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:32:52,070 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:33:02,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:33:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 110 states and 272 transitions. [2024-11-25 05:33:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 272 transitions. [2024-11-25 05:33:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 05:33:02,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:33:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 05:33:43,921 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:34:09,069 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:34:36,207 WARN L286 SmtUtils]: Spent 10.94s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:34:52,583 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:34:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 116 states and 297 transitions. [2024-11-25 05:34:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 297 transitions. [2024-11-25 05:34:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 05:34:55,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:55,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:34:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 05:35:40,601 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:35:53,682 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:36:04,789 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)