./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a9aad6636e75eb788a44e63e1649ee5df89ecae877c31a886978a8e3fdd2e8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:18:21,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:18:21,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:18:21,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:18:21,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:18:21,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:18:21,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:18:21,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:18:21,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:18:21,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:18:21,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:18:21,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:18:21,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:18:21,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:18:21,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:18:21,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:18:21,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:18:21,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:18:21,617 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:18:21,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:18:21,617 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_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a9aad6636e75eb788a44e63e1649ee5df89ecae877c31a886978a8e3fdd2e8f [2024-12-06 05:18:21,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:18:21,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:18:21,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:18:21,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:18:21,889 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:18:21,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c [2024-12-06 05:18:24,592 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/data/7c73dec0e/439252a904534f6984d6040144a940b3/FLAGe288ea190 [2024-12-06 05:18:24,788 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:18:24,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c [2024-12-06 05:18:24,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/data/7c73dec0e/439252a904534f6984d6040144a940b3/FLAGe288ea190 [2024-12-06 05:18:24,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/data/7c73dec0e/439252a904534f6984d6040144a940b3 [2024-12-06 05:18:24,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:18:24,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:18:24,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:24,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:18:24,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:18:24,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:24" (1/1) ... [2024-12-06 05:18:24,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54cf4428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:24, skipping insertion in model container [2024-12-06 05:18:24,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:24" (1/1) ... [2024-12-06 05:18:24,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:18:24,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:24,986 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:18:25,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:25,032 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:18:25,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25 WrapperNode [2024-12-06 05:18:25,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:25,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:25,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:18:25,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:18:25,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,074 INFO L138 Inliner]: procedures = 17, calls = 172, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 185 [2024-12-06 05:18:25,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:25,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:18:25,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:18:25,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:18:25,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:18:25,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:18:25,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:18:25,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:18:25,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:25" (1/1) ... [2024-12-06 05:18:25,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:18:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:18:25,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:18:25,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc9a20c-059f-4a9c-9d3d-3303e200ccd6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:18:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:18:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_32_0 [2024-12-06 05:18:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_32_0 [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:18:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:18:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_36_to_52_0 [2024-12-06 05:18:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_36_to_52_0 [2024-12-06 05:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:18:25,262 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:18:25,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:18:26,845 INFO L? ?]: Removed 1170 outVars from TransFormulas that were not future-live. [2024-12-06 05:18:26,845 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:18:26,888 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:18:26,888 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:18:26,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:26 BoogieIcfgContainer [2024-12-06 05:18:26,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:18:26,890 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:18:26,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:18:26,900 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:18:26,900 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:26" (1/1) ... [2024-12-06 05:18:26,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:18:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 554 states and 568 transitions. [2024-12-06 05:18:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 568 transitions. [2024-12-06 05:18:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:18:26,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:26,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:27,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 558 states and 574 transitions. [2024-12-06 05:18:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 574 transitions. [2024-12-06 05:18:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:27,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 561 states and 579 transitions. [2024-12-06 05:18:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 579 transitions. [2024-12-06 05:18:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:18:28,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:28,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 568 states and 596 transitions. [2024-12-06 05:18:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 596 transitions. [2024-12-06 05:18:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:18:29,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:29,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 569 states and 597 transitions. [2024-12-06 05:18:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 597 transitions. [2024-12-06 05:18:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:18:30,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:30,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 575 states and 610 transitions. [2024-12-06 05:18:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 610 transitions. [2024-12-06 05:18:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:18:31,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:31,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:33,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 581 states and 623 transitions. [2024-12-06 05:18:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 623 transitions. [2024-12-06 05:18:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:18:33,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:33,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 587 states and 638 transitions. [2024-12-06 05:18:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 638 transitions. [2024-12-06 05:18:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:18:35,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:35,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 589 states and 642 transitions. [2024-12-06 05:18:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 642 transitions. [2024-12-06 05:18:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:18:36,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:36,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 596 states and 657 transitions. [2024-12-06 05:18:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 657 transitions. [2024-12-06 05:18:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:18:38,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:38,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:18:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:38,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 05:18:38,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:38,745 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2024-12-06 05:18:38,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-12-06 05:18:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:38,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 86 [2024-12-06 05:18:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:38,804 INFO L349 Elim1Store]: treesize reduction 54, result has 21.7 percent of original size [2024-12-06 05:18:38,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 39 [2024-12-06 05:18:38,907 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 05:18:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 603 states and 685 transitions. [2024-12-06 05:18:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 685 transitions. [2024-12-06 05:18:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:18:40,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:18:44,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 607 states and 697 transitions. [2024-12-06 05:18:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 697 transitions. [2024-12-06 05:18:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:18:44,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:44,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:18:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 609 states and 725 transitions. [2024-12-06 05:18:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 725 transitions. [2024-12-06 05:18:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:18:44,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:44,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 615 states and 742 transitions. [2024-12-06 05:18:49,147 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 742 transitions. [2024-12-06 05:18:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:18:49,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:18:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:49,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 05:18:49,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:49,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:18:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver