./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i --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_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5fd059d5a759507a96afa6a0d4588ef4f04a7933448ee3dd4bfcf9210da23be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:43:29,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:43:29,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:43:29,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:43:29,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:43:29,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:43:29,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:43:29,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:43:29,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:43:29,913 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:43:29,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:43:29,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:43:29,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:43:29,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:43:29,913 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:43:29,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:43:29,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:43:29,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:43:29,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:43:29,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:43:29,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:43:29,916 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer 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 -> b5fd059d5a759507a96afa6a0d4588ef4f04a7933448ee3dd4bfcf9210da23be [2024-12-02 06:43:30,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:43:30,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:43:30,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:43:30,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:43:30,157 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:43:30,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i [2024-12-02 06:43:32,813 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/e0c6796de/19d36f31240e47aebcf7c6f009f475ea/FLAG445c710ae [2024-12-02 06:43:33,049 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:43:33,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i [2024-12-02 06:43:33,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/e0c6796de/19d36f31240e47aebcf7c6f009f475ea/FLAG445c710ae [2024-12-02 06:43:33,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/e0c6796de/19d36f31240e47aebcf7c6f009f475ea [2024-12-02 06:43:33,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:43:33,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:43:33,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:43:33,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:43:33,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:43:33,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f72f773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33, skipping insertion in model container [2024-12-02 06:43:33,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:43:33,588 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_569c04eb-32b5-4419-96e3-8a036c3173ba/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i[919,932] [2024-12-02 06:43:33,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:43:33,658 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:43:33,670 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_569c04eb-32b5-4419-96e3-8a036c3173ba/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i[919,932] [2024-12-02 06:43:33,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:43:33,717 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:43:33,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33 WrapperNode [2024-12-02 06:43:33,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:43:33,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:43:33,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:43:33,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:43:33,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,766 INFO L138 Inliner]: procedures = 30, calls = 38, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 215 [2024-12-02 06:43:33,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:43:33,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:43:33,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:43:33,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:43:33,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,795 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 06:43:33,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:43:33,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:43:33,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:43:33,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:43:33,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (1/1) ... [2024-12-02 06:43:33,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:43:33,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:33,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:43:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:43:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:43:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:43:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:43:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:43:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:43:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:43:33,972 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:43:33,974 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:43:34,301 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-12-02 06:43:34,301 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:43:34,312 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:43:34,312 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:43:34,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:34 BoogieIcfgContainer [2024-12-02 06:43:34,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:43:34,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:43:34,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:43:34,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:43:34,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:43:33" (1/3) ... [2024-12-02 06:43:34,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20280bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:34, skipping insertion in model container [2024-12-02 06:43:34,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:33" (2/3) ... [2024-12-02 06:43:34,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20280bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:34, skipping insertion in model container [2024-12-02 06:43:34,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:34" (3/3) ... [2024-12-02 06:43:34,322 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-9.i [2024-12-02 06:43:34,337 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:43:34,339 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_functionizing_file-9.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:43:34,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:43:34,411 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4579b04b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:43:34,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:43:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 62 states have internal predecessors, (84), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 06:43:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 06:43:34,428 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:34,429 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:34,429 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:34,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:34,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1908118560, now seen corresponding path program 1 times [2024-12-02 06:43:34,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:34,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261594810] [2024-12-02 06:43:34,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 06:43:34,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:34,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261594810] [2024-12-02 06:43:34,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261594810] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:34,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358962176] [2024-12-02 06:43:34,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:34,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:34,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:34,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:34,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:43:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:34,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:43:34,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 06:43:34,948 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:43:34,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358962176] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:34,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:43:34,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:43:34,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915442928] [2024-12-02 06:43:34,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:34,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:43:34,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:34,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:43:34,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:43:34,980 INFO L87 Difference]: Start difference. First operand has 85 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 62 states have internal predecessors, (84), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 06:43:35,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:35,011 INFO L93 Difference]: Finished difference Result 163 states and 267 transitions. [2024-12-02 06:43:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:43:35,013 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2024-12-02 06:43:35,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:35,021 INFO L225 Difference]: With dead ends: 163 [2024-12-02 06:43:35,021 INFO L226 Difference]: Without dead ends: 81 [2024-12-02 06:43:35,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:43:35,028 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:35,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:43:35,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-02 06:43:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-12-02 06:43:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 58 states have internal predecessors, (77), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 06:43:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 119 transitions. [2024-12-02 06:43:35,075 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 119 transitions. Word has length 139 [2024-12-02 06:43:35,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:35,075 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 119 transitions. [2024-12-02 06:43:35,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 06:43:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2024-12-02 06:43:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 06:43:35,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:35,078 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:35,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:43:35,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:43:35,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:35,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:35,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1894686822, now seen corresponding path program 1 times [2024-12-02 06:43:35,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:35,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158108968] [2024-12-02 06:43:35,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:35,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:35,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158108968] [2024-12-02 06:43:35,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158108968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:35,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:43:35,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:43:35,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036710804] [2024-12-02 06:43:35,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:35,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:43:35,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:35,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:43:35,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:35,585 INFO L87 Difference]: Start difference. First operand 81 states and 119 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:35,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:35,612 INFO L93 Difference]: Finished difference Result 160 states and 237 transitions. [2024-12-02 06:43:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:43:35,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2024-12-02 06:43:35,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:35,615 INFO L225 Difference]: With dead ends: 160 [2024-12-02 06:43:35,615 INFO L226 Difference]: Without dead ends: 82 [2024-12-02 06:43:35,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:35,617 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:35,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:43:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-02 06:43:35,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-12-02 06:43:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 59 states have internal predecessors, (78), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 06:43:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2024-12-02 06:43:35,629 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 139 [2024-12-02 06:43:35,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:35,631 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2024-12-02 06:43:35,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2024-12-02 06:43:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:43:35,634 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:35,634 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:35,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:43:35,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:35,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1128868079, now seen corresponding path program 1 times [2024-12-02 06:43:35,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:35,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387470279] [2024-12-02 06:43:35,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:35,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 06:43:37,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:37,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387470279] [2024-12-02 06:43:37,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387470279] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:37,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364720225] [2024-12-02 06:43:37,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:37,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:37,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:37,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:37,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:43:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:37,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:43:37,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:38,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:43:38,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364720225] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:38,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:43:38,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 13 [2024-12-02 06:43:38,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792516319] [2024-12-02 06:43:38,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:38,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:43:38,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:38,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:43:38,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:43:38,025 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:38,283 INFO L93 Difference]: Finished difference Result 248 states and 356 transitions. [2024-12-02 06:43:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:43:38,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140 [2024-12-02 06:43:38,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:38,287 INFO L225 Difference]: With dead ends: 248 [2024-12-02 06:43:38,287 INFO L226 Difference]: Without dead ends: 169 [2024-12-02 06:43:38,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:43:38,289 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 129 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:38,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 480 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:43:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-12-02 06:43:38,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 140. [2024-12-02 06:43:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 112 states have (on average 1.375) internal successors, (154), 113 states have internal predecessors, (154), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 06:43:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2024-12-02 06:43:38,306 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 140 [2024-12-02 06:43:38,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:38,307 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2024-12-02 06:43:38,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:38,307 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2024-12-02 06:43:38,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:43:38,309 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:38,309 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:38,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 06:43:38,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-12-02 06:43:38,510 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:38,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:38,511 INFO L85 PathProgramCache]: Analyzing trace with hash 107799725, now seen corresponding path program 1 times [2024-12-02 06:43:38,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:38,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031618301] [2024-12-02 06:43:38,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 06:43:39,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:39,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031618301] [2024-12-02 06:43:39,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031618301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:39,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125594812] [2024-12-02 06:43:39,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:39,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:39,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:39,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:39,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:43:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:39,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 06:43:39,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:39,748 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:43:39,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125594812] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:39,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:43:39,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2024-12-02 06:43:39,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675564159] [2024-12-02 06:43:39,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:39,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:43:39,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:39,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:43:39,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:43:39,750 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:40,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:40,160 INFO L93 Difference]: Finished difference Result 308 states and 442 transitions. [2024-12-02 06:43:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:43:40,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140 [2024-12-02 06:43:40,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:40,162 INFO L225 Difference]: With dead ends: 308 [2024-12-02 06:43:40,162 INFO L226 Difference]: Without dead ends: 171 [2024-12-02 06:43:40,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:43:40,164 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 104 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:40,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 552 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:43:40,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-12-02 06:43:40,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 124. [2024-12-02 06:43:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 96 states have (on average 1.34375) internal successors, (129), 97 states have internal predecessors, (129), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 06:43:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 179 transitions. [2024-12-02 06:43:40,181 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 179 transitions. Word has length 140 [2024-12-02 06:43:40,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:40,182 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 179 transitions. [2024-12-02 06:43:40,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 179 transitions. [2024-12-02 06:43:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:43:40,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:40,184 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:40,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:43:40,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:40,385 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:40,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:40,386 INFO L85 PathProgramCache]: Analyzing trace with hash -459479823, now seen corresponding path program 1 times [2024-12-02 06:43:40,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:40,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563296197] [2024-12-02 06:43:40,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:40,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 06:43:41,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:41,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563296197] [2024-12-02 06:43:41,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563296197] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:41,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433497068] [2024-12-02 06:43:41,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:41,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:41,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:41,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:41,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 06:43:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:41,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:43:41,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:41,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:43:41,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433497068] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:41,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:43:41,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2024-12-02 06:43:41,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677650136] [2024-12-02 06:43:41,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:41,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:43:41,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:41,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:43:41,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:43:41,757 INFO L87 Difference]: Start difference. First operand 124 states and 179 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:42,109 INFO L93 Difference]: Finished difference Result 407 states and 581 transitions. [2024-12-02 06:43:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:43:42,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140 [2024-12-02 06:43:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:42,113 INFO L225 Difference]: With dead ends: 407 [2024-12-02 06:43:42,113 INFO L226 Difference]: Without dead ends: 286 [2024-12-02 06:43:42,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:43:42,115 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 210 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:42,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 493 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:43:42,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-12-02 06:43:42,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 212. [2024-12-02 06:43:42,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 181 states have (on average 1.3977900552486189) internal successors, (253), 183 states have internal predecessors, (253), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 06:43:42,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 307 transitions. [2024-12-02 06:43:42,138 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 307 transitions. Word has length 140 [2024-12-02 06:43:42,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:42,138 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 307 transitions. [2024-12-02 06:43:42,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 307 transitions. [2024-12-02 06:43:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:43:42,140 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:42,140 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:42,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 06:43:42,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:42,341 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:42,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:42,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1480548177, now seen corresponding path program 1 times [2024-12-02 06:43:42,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:42,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419632921] [2024-12-02 06:43:42,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:42,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 06:43:43,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419632921] [2024-12-02 06:43:43,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419632921] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325141449] [2024-12-02 06:43:43,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:43,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:43,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:43,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:43,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 06:43:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:43,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 06:43:43,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:43,620 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:43:43,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325141449] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:43,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:43:43,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2024-12-02 06:43:43,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451274270] [2024-12-02 06:43:43,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:43,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:43:43,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:43,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:43:43,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:43:43,622 INFO L87 Difference]: Start difference. First operand 212 states and 307 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:44,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:44,082 INFO L93 Difference]: Finished difference Result 525 states and 743 transitions. [2024-12-02 06:43:44,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:43:44,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140 [2024-12-02 06:43:44,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:44,086 INFO L225 Difference]: With dead ends: 525 [2024-12-02 06:43:44,086 INFO L226 Difference]: Without dead ends: 316 [2024-12-02 06:43:44,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:43:44,087 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 167 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:44,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 546 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:43:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-12-02 06:43:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 209. [2024-12-02 06:43:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 178 states have (on average 1.3932584269662922) internal successors, (248), 180 states have internal predecessors, (248), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 06:43:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 302 transitions. [2024-12-02 06:43:44,102 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 302 transitions. Word has length 140 [2024-12-02 06:43:44,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:44,102 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 302 transitions. [2024-12-02 06:43:44,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 302 transitions. [2024-12-02 06:43:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 06:43:44,103 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:44,104 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:44,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 06:43:44,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:44,304 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:44,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:44,304 INFO L85 PathProgramCache]: Analyzing trace with hash -660985923, now seen corresponding path program 1 times [2024-12-02 06:43:44,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:44,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886851765] [2024-12-02 06:43:44,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:44,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 06:43:45,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:45,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886851765] [2024-12-02 06:43:45,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886851765] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:45,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965163229] [2024-12-02 06:43:45,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:45,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:45,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:45,516 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:45,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 06:43:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:45,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 06:43:45,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 456 proven. 54 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-12-02 06:43:45,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:43:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 06:43:46,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965163229] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:43:46,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:43:46,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-12-02 06:43:46,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817645950] [2024-12-02 06:43:46,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:43:46,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:43:46,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:46,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:43:46,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:43:46,145 INFO L87 Difference]: Start difference. First operand 209 states and 302 transitions. Second operand has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 18 states have internal predecessors, (95), 5 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 5 states have call predecessors, (59), 5 states have call successors, (59) [2024-12-02 06:43:47,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:47,651 INFO L93 Difference]: Finished difference Result 599 states and 843 transitions. [2024-12-02 06:43:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 06:43:47,652 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 18 states have internal predecessors, (95), 5 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 5 states have call predecessors, (59), 5 states have call successors, (59) Word has length 141 [2024-12-02 06:43:47,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:47,655 INFO L225 Difference]: With dead ends: 599 [2024-12-02 06:43:47,656 INFO L226 Difference]: Without dead ends: 393 [2024-12-02 06:43:47,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=258, Invalid=932, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 06:43:47,657 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 351 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:47,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 623 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:43:47,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-12-02 06:43:47,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 239. [2024-12-02 06:43:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 204 states have (on average 1.357843137254902) internal successors, (277), 206 states have internal predecessors, (277), 27 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 06:43:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 331 transitions. [2024-12-02 06:43:47,684 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 331 transitions. Word has length 141 [2024-12-02 06:43:47,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:47,684 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 331 transitions. [2024-12-02 06:43:47,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 18 states have internal predecessors, (95), 5 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 5 states have call predecessors, (59), 5 states have call successors, (59) [2024-12-02 06:43:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 331 transitions. [2024-12-02 06:43:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 06:43:47,686 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:47,686 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:47,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 06:43:47,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:47,887 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:47,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:47,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1458827457, now seen corresponding path program 1 times [2024-12-02 06:43:47,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:47,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805826938] [2024-12-02 06:43:47,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:47,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 06:43:48,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:48,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805826938] [2024-12-02 06:43:48,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805826938] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:48,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283609478] [2024-12-02 06:43:48,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:48,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:48,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:48,704 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:48,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 06:43:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:48,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 06:43:48,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 493 proven. 138 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-12-02 06:43:49,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:43:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:50,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283609478] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:43:50,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:43:50,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 18] total 24 [2024-12-02 06:43:50,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757274277] [2024-12-02 06:43:50,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:50,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:43:50,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:50,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:43:50,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:43:50,321 INFO L87 Difference]: Start difference. First operand 239 states and 331 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:50,711 INFO L93 Difference]: Finished difference Result 570 states and 780 transitions. [2024-12-02 06:43:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:43:50,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2024-12-02 06:43:50,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:50,714 INFO L225 Difference]: With dead ends: 570 [2024-12-02 06:43:50,714 INFO L226 Difference]: Without dead ends: 338 [2024-12-02 06:43:50,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=120, Invalid=480, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:43:50,715 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 92 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:50,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 438 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:43:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-12-02 06:43:50,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 201. [2024-12-02 06:43:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 168 states have (on average 1.3392857142857142) internal successors, (225), 169 states have internal predecessors, (225), 25 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 06:43:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 275 transitions. [2024-12-02 06:43:50,731 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 275 transitions. Word has length 141 [2024-12-02 06:43:50,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:50,732 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 275 transitions. [2024-12-02 06:43:50,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 275 transitions. [2024-12-02 06:43:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:43:50,733 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:50,733 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:50,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 06:43:50,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:50,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:50,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:50,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1962011690, now seen corresponding path program 1 times [2024-12-02 06:43:50,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:50,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648519944] [2024-12-02 06:43:50,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:50,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:50,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:50,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648519944] [2024-12-02 06:43:50,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648519944] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:50,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:43:50,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:43:50,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060096350] [2024-12-02 06:43:50,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:50,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:43:50,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:50,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:43:50,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:50,998 INFO L87 Difference]: Start difference. First operand 201 states and 275 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:51,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:51,044 INFO L93 Difference]: Finished difference Result 434 states and 590 transitions. [2024-12-02 06:43:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:43:51,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 142 [2024-12-02 06:43:51,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:51,047 INFO L225 Difference]: With dead ends: 434 [2024-12-02 06:43:51,048 INFO L226 Difference]: Without dead ends: 236 [2024-12-02 06:43:51,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:51,049 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 45 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:51,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 221 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:43:51,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-12-02 06:43:51,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 220. [2024-12-02 06:43:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 187 states have (on average 1.320855614973262) internal successors, (247), 188 states have internal predecessors, (247), 25 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 06:43:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 297 transitions. [2024-12-02 06:43:51,069 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 297 transitions. Word has length 142 [2024-12-02 06:43:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:51,069 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 297 transitions. [2024-12-02 06:43:51,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 297 transitions. [2024-12-02 06:43:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:43:51,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:51,071 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:51,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:43:51,071 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:51,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:51,072 INFO L85 PathProgramCache]: Analyzing trace with hash -2031190326, now seen corresponding path program 1 times [2024-12-02 06:43:51,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:51,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799842902] [2024-12-02 06:43:51,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:51,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:51,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:51,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799842902] [2024-12-02 06:43:51,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799842902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:51,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:43:51,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:43:51,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973767186] [2024-12-02 06:43:51,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:51,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:43:51,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:51,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:43:51,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:43:51,811 INFO L87 Difference]: Start difference. First operand 220 states and 297 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:52,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:52,138 INFO L93 Difference]: Finished difference Result 520 states and 702 transitions. [2024-12-02 06:43:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:43:52,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 142 [2024-12-02 06:43:52,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:52,140 INFO L225 Difference]: With dead ends: 520 [2024-12-02 06:43:52,140 INFO L226 Difference]: Without dead ends: 303 [2024-12-02 06:43:52,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:43:52,141 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 30 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:52,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 355 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:43:52,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-12-02 06:43:52,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 273. [2024-12-02 06:43:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 240 states have (on average 1.3375) internal successors, (321), 241 states have internal predecessors, (321), 25 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 06:43:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2024-12-02 06:43:52,159 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 142 [2024-12-02 06:43:52,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:52,160 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2024-12-02 06:43:52,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2024-12-02 06:43:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 06:43:52,162 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:52,162 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:52,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:43:52,162 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:52,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:52,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1888154417, now seen corresponding path program 1 times [2024-12-02 06:43:52,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:52,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364821954] [2024-12-02 06:43:52,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:52,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 06:43:52,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482820416] [2024-12-02 06:43:52,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:52,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:43:52,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:52,242 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:43:52,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 06:43:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:43:52,480 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:43:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:43:52,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:43:52,598 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:43:52,599 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:43:52,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-02 06:43:52,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 06:43:52,803 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:52,863 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:43:52,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:43:52 BoogieIcfgContainer [2024-12-02 06:43:52,866 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:43:52,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:43:52,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:43:52,866 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:43:52,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:34" (3/4) ... [2024-12-02 06:43:52,869 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:43:52,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:43:52,870 INFO L158 Benchmark]: Toolchain (without parser) took 19463.13ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.5MB in the beginning and 117.7MB in the end (delta: -25.1MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2024-12-02 06:43:52,870 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:43:52,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.32ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:43:52,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:43:52,871 INFO L158 Benchmark]: Boogie Preprocessor took 49.73ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 73.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:43:52,871 INFO L158 Benchmark]: RCFGBuilder took 495.37ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 51.3MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 06:43:52,871 INFO L158 Benchmark]: TraceAbstraction took 18551.05ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 50.7MB in the beginning and 117.7MB in the end (delta: -67.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-12-02 06:43:52,871 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 218.1MB. Free memory was 117.7MB in the beginning and 117.7MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:43:52,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.32ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.09ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.73ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 73.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.37ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 51.3MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18551.05ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 50.7MB in the beginning and 117.7MB in the end (delta: -67.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 218.1MB. Free memory was 117.7MB in the beginning and 117.7MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 136, overapproximation of shiftLeft at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 136. Possible FailurePath: [L25] unsigned char isInitial = 0; [L26] double var_1_1 = 5.5; [L27] signed char var_1_2 = 100; [L28] signed short int var_1_3 = 1; [L29] signed long int var_1_4 = -16; [L30] signed long int var_1_5 = -64; [L31] signed char var_1_6 = 10; [L32] signed char var_1_7 = 5; [L33] double var_1_8 = 16.25; [L34] double var_1_9 = 1.8; [L35] unsigned char var_1_10 = 32; [L36] unsigned char var_1_11 = 64; [L37] unsigned short int var_1_12 = 16; [L38] unsigned long int var_1_13 = 128; [L39] unsigned char var_1_15 = 1; [L40] unsigned short int var_1_16 = 256; [L41] unsigned short int var_1_17 = 8; [L42] signed char var_1_18 = -2; VAL [isInitial=0, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=100, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L140] isInitial = 1 [L141] FCALL initially() [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L100] var_1_2 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L101] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L102] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L102] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L103] var_1_3 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L104] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L105] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L105] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L106] var_1_4 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L107] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L108] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L108] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L109] var_1_5 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L110] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L111] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L111] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L112] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L112] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L113] var_1_6 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L114] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L115] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L115] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L116] var_1_7 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L117] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L118] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L118] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=65/4, var_1_9=9/5] [L119] var_1_8 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_9=9/5] [L120] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_9=9/5] [L121] var_1_9 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L122] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L123] var_1_11 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L124] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L125] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L125] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L126] var_1_15 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L127] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L128] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L128] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L129] var_1_17 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L130] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L131] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L131] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L144] RET updateVariables() [L145] CALL step() [L72] EXPR var_1_2 >> var_1_3 VAL [isInitial=1, var_1_10=32, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L72] COND FALSE !((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) [L79] COND TRUE var_1_6 <= (var_1_4 + var_1_7) [L80] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L84] COND TRUE ((var_1_6 >> 2) * var_1_10) > var_1_4 [L85] var_1_12 = var_1_6 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L87] EXPR 1 << var_1_2 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L87] COND FALSE !((1 << var_1_2) != (-500 / -100)) [L94] var_1_13 = var_1_6 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6] [L96] CALL functionized3(var_1_17, var_1_8, var_1_10, var_1_9, var_1_15, 256) [L53] COND FALSE !((- functionized3_localFunctionVar3) <= functionized3_localFunctionVar1) [L66] var_1_16 = functionized3_localFunctionVar2 VAL [functionized3_localFunctionVar0=19, functionized3_localFunctionVar4=0, isInitial=1, localFunctionVar5=256, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=-2, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L96] RET functionized3(var_1_17, var_1_8, var_1_10, var_1_9, var_1_15, 256) [L97] var_1_18 = var_1_3 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR var_1_2 >> var_1_3 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L136] EXPR ((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L136] EXPR (((((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (var_1_4 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * var_1_10) > var_1_4) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_2) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_10 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L136] EXPR 1 << var_1_2 VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L136] EXPR (((((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (var_1_4 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * var_1_10) > var_1_4) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_2) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_10 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L136-L137] return (((((((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (var_1_4 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * var_1_10) > var_1_4) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_2) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_10 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_2) ? ((var_1_17 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=3, var_1_17=19, var_1_18=0, var_1_1=11/2, var_1_2=1, var_1_3=0, var_1_4=7, var_1_5=3, var_1_6=12, var_1_7=6, var_1_8=3, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 11, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1130 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1128 mSDsluCounter, 4058 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2775 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2008 IncrementalHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 1283 mSDtfsCounter, 2008 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1357 GetRequests, 1245 SyntacticMatches, 2 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=10, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 594 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 2671 NumberOfCodeBlocks, 2671 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2648 ConstructedInterpolants, 0 QuantifiedInterpolants, 10123 SizeOfPredicates, 40 NumberOfNonLiveVariables, 2373 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 15584/15960 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 06:43:52,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5fd059d5a759507a96afa6a0d4588ef4f04a7933448ee3dd4bfcf9210da23be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:43:54,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:43:54,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:43:54,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:43:54,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:43:54,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:43:54,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:43:54,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:43:54,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:43:54,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:43:54,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:43:54,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:43:54,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:43:54,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:43:54,938 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:43:54,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:43:54,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:43:54,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:43:54,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:43:54,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:43:54,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:43:54,939 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:43:54,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:43:54,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:43:54,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:43:54,940 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:43:54,941 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:43:54,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:43:54,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:43:54,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:43:54,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:43:54,941 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer 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 -> b5fd059d5a759507a96afa6a0d4588ef4f04a7933448ee3dd4bfcf9210da23be [2024-12-02 06:43:55,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:43:55,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:43:55,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:43:55,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:43:55,174 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:43:55,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i [2024-12-02 06:43:57,853 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/933404dc9/f6d9d6c6f2734a7c8acec783efd82393/FLAGbdc06a7ab [2024-12-02 06:43:58,031 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:43:58,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i [2024-12-02 06:43:58,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/933404dc9/f6d9d6c6f2734a7c8acec783efd82393/FLAGbdc06a7ab [2024-12-02 06:43:58,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/data/933404dc9/f6d9d6c6f2734a7c8acec783efd82393 [2024-12-02 06:43:58,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:43:58,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:43:58,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:43:58,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:43:58,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:43:58,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58, skipping insertion in model container [2024-12-02 06:43:58,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:43:58,181 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_569c04eb-32b5-4419-96e3-8a036c3173ba/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i[919,932] [2024-12-02 06:43:58,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:43:58,246 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:43:58,254 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_569c04eb-32b5-4419-96e3-8a036c3173ba/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-9.i[919,932] [2024-12-02 06:43:58,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:43:58,301 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:43:58,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58 WrapperNode [2024-12-02 06:43:58,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:43:58,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:43:58,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:43:58,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:43:58,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,344 INFO L138 Inliner]: procedures = 31, calls = 38, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 154 [2024-12-02 06:43:58,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:43:58,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:43:58,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:43:58,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:43:58,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,357 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,369 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 06:43:58,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,380 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:43:58,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:43:58,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:43:58,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:43:58,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (1/1) ... [2024-12-02 06:43:58,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:43:58,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:43:58,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:43:58,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:43:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:43:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:43:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:43:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:43:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:43:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:43:58,519 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:43:58,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:43:58,836 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-12-02 06:43:58,836 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:43:58,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:43:58,847 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:43:58,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:58 BoogieIcfgContainer [2024-12-02 06:43:58,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:43:58,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:43:58,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:43:58,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:43:58,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:43:58" (1/3) ... [2024-12-02 06:43:58,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4222dbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:58, skipping insertion in model container [2024-12-02 06:43:58,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:58" (2/3) ... [2024-12-02 06:43:58,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4222dbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:58, skipping insertion in model container [2024-12-02 06:43:58,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:58" (3/3) ... [2024-12-02 06:43:58,856 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-9.i [2024-12-02 06:43:58,871 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:43:58,873 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_functionizing_file-9.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:43:58,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:43:58,927 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5556c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:43:58,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:43:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 06:43:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 06:43:58,941 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:58,941 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:58,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:58,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:58,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1971917253, now seen corresponding path program 1 times [2024-12-02 06:43:58,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:43:58,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099237238] [2024-12-02 06:43:58,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:58,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:43:58,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:43:58,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:43:58,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 06:43:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:59,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:43:59,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:43:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:43:59,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:43:59,249 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:43:59,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099237238] [2024-12-02 06:43:59,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099237238] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:59,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:43:59,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:43:59,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808896244] [2024-12-02 06:43:59,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:59,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:43:59,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:43:59,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:43:59,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:43:59,277 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:59,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:59,300 INFO L93 Difference]: Finished difference Result 125 states and 213 transitions. [2024-12-02 06:43:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:43:59,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-12-02 06:43:59,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:59,307 INFO L225 Difference]: With dead ends: 125 [2024-12-02 06:43:59,307 INFO L226 Difference]: Without dead ends: 62 [2024-12-02 06:43:59,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:43:59,313 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:59,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:43:59,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-12-02 06:43:59,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-12-02 06:43:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 06:43:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2024-12-02 06:43:59,348 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 132 [2024-12-02 06:43:59,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:59,350 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2024-12-02 06:43:59,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 06:43:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2024-12-02 06:43:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:43:59,352 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:59,353 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:43:59,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 06:43:59,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:43:59,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:43:59,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:59,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2079072756, now seen corresponding path program 1 times [2024-12-02 06:43:59,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:43:59,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089640570] [2024-12-02 06:43:59,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:59,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:43:59,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:43:59,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:43:59,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 06:43:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:59,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:43:59,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:44:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 129 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-12-02 06:44:01,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:44:01,319 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:44:01,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089640570] [2024-12-02 06:44:01,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089640570] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:44:01,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1148039234] [2024-12-02 06:44:01,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:44:01,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:44:01,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:44:01,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:44:01,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 06:44:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:44:02,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:44:02,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:44:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 129 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-12-02 06:44:03,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:44:03,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1148039234] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:44:03,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:44:03,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2024-12-02 06:44:03,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437405955] [2024-12-02 06:44:03,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:44:03,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:44:03,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:44:03,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:44:03,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:44:03,214 INFO L87 Difference]: Start difference. First operand 62 states and 91 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 states have internal predecessors, (47), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 06:44:04,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:44:04,469 INFO L93 Difference]: Finished difference Result 137 states and 192 transitions. [2024-12-02 06:44:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 06:44:04,474 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 states have internal predecessors, (47), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 134 [2024-12-02 06:44:04,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:44:04,476 INFO L225 Difference]: With dead ends: 137 [2024-12-02 06:44:04,476 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 06:44:04,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:44:04,477 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 94 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:44:04,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 265 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:44:04,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 06:44:04,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2024-12-02 06:44:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.1875) internal successors, (57), 48 states have internal predecessors, (57), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 06:44:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2024-12-02 06:44:04,488 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 134 [2024-12-02 06:44:04,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:44:04,489 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2024-12-02 06:44:04,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 states have internal predecessors, (47), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 06:44:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2024-12-02 06:44:04,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:44:04,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:44:04,491 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:44:04,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-02 06:44:04,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 06:44:04,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:44:04,891 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:44:04,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:44:04,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1406547914, now seen corresponding path program 1 times [2024-12-02 06:44:04,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:44:04,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283685269] [2024-12-02 06:44:04,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:44:04,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:44:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:44:04,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:44:04,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569c04eb-32b5-4419-96e3-8a036c3173ba/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 06:44:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:44:05,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-02 06:44:05,158 INFO L279 TraceCheckSpWp]: Computing forward predicates...