./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.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_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:03,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:03,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:50:03,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:03,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:03,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:03,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:03,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:03,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:03,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:03,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:03,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:03,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:03,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:03,172 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:03,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:03,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:03,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:03,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:03,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:03,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:03,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:03,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:03,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:03,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:03,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:03,175 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_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 -> 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b [2024-12-02 05:50:03,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:03,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:03,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:03,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:03,419 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:03,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-12-02 05:50:06,074 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/2b24b45e4/b3bbace7a45c48e29b7df3162a6b79a7/FLAG6ed363adf [2024-12-02 05:50:06,313 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:06,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-12-02 05:50:06,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/2b24b45e4/b3bbace7a45c48e29b7df3162a6b79a7/FLAG6ed363adf [2024-12-02 05:50:06,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/2b24b45e4/b3bbace7a45c48e29b7df3162a6b79a7 [2024-12-02 05:50:06,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:06,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:06,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:06,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:06,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:06,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fb692e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06, skipping insertion in model container [2024-12-02 05:50:06,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:06,787 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_2abb475e-4d5a-4fda-891a-0f78cd142be1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-12-02 05:50:06,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:06,851 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:06,858 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_2abb475e-4d5a-4fda-891a-0f78cd142be1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-12-02 05:50:06,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:06,907 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:06,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06 WrapperNode [2024-12-02 05:50:06,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:06,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:06,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:06,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:06,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,950 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-12-02 05:50:06,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:06,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:06,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:06,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:06,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,979 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 05:50:06,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,987 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:06,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:07,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:07,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:07,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:07,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (1/1) ... [2024-12-02 05:50:07,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:07,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:50:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:07,119 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:07,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:07,446 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:07,446 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:07,457 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:07,457 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:07,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:07 BoogieIcfgContainer [2024-12-02 05:50:07,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:07,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:07,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:07,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:07,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:06" (1/3) ... [2024-12-02 05:50:07,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bc12c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:07, skipping insertion in model container [2024-12-02 05:50:07,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:06" (2/3) ... [2024-12-02 05:50:07,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bc12c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:07, skipping insertion in model container [2024-12-02 05:50:07,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:07" (3/3) ... [2024-12-02 05:50:07,466 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-12-02 05:50:07,477 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:07,479 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:07,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:07,536 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;@65d6cedd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:07,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 05:50:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:50:07,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:07,550 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:07,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:07,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash -705274678, now seen corresponding path program 1 times [2024-12-02 05:50:07,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532478666] [2024-12-02 05:50:07,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 05:50:07,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:07,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532478666] [2024-12-02 05:50:07,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532478666] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:07,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885884260] [2024-12-02 05:50:07,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:07,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:50:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:08,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 05:50:08,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:08,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885884260] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:08,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:08,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:50:08,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325038156] [2024-12-02 05:50:08,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:08,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:08,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:08,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:08,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:08,053 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:50:08,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:08,073 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-12-02 05:50:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:08,075 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-12-02 05:50:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:08,081 INFO L225 Difference]: With dead ends: 155 [2024-12-02 05:50:08,081 INFO L226 Difference]: Without dead ends: 77 [2024-12-02 05:50:08,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 05:50:08,087 INFO L435 NwaCegarLoop]: 121 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, 121 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 05:50:08,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:08,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-02 05:50:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-12-02 05:50:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 53 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 05:50:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2024-12-02 05:50:08,123 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 149 [2024-12-02 05:50:08,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:08,124 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2024-12-02 05:50:08,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:50:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2024-12-02 05:50:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:50:08,127 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:08,127 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:08,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:50:08,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 05:50:08,328 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:08,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:08,329 INFO L85 PathProgramCache]: Analyzing trace with hash 558426822, now seen corresponding path program 1 times [2024-12-02 05:50:08,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:08,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711810330] [2024-12-02 05:50:08,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:08,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:08,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711810330] [2024-12-02 05:50:08,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711810330] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:08,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:08,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:08,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873016145] [2024-12-02 05:50:08,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:08,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:08,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:08,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:08,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:08,603 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:50:08,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:08,650 INFO L93 Difference]: Finished difference Result 151 states and 239 transitions. [2024-12-02 05:50:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:08,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-12-02 05:50:08,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:08,652 INFO L225 Difference]: With dead ends: 151 [2024-12-02 05:50:08,653 INFO L226 Difference]: Without dead ends: 77 [2024-12-02 05:50:08,653 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 05:50:08,654 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:08,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 106 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:08,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-02 05:50:08,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-12-02 05:50:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 05:50:08,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-12-02 05:50:08,665 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 149 [2024-12-02 05:50:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:08,666 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-12-02 05:50:08,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:50:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-12-02 05:50:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:50:08,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:08,669 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:08,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:08,669 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:08,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1961533112, now seen corresponding path program 1 times [2024-12-02 05:50:08,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:08,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449289957] [2024-12-02 05:50:08,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:09,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:09,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449289957] [2024-12-02 05:50:09,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449289957] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:09,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:09,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:50:09,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662922230] [2024-12-02 05:50:09,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:09,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:50:09,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:09,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:09,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:09,120 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:09,560 INFO L93 Difference]: Finished difference Result 251 states and 403 transitions. [2024-12-02 05:50:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:50:09,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-12-02 05:50:09,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:09,564 INFO L225 Difference]: With dead ends: 251 [2024-12-02 05:50:09,564 INFO L226 Difference]: Without dead ends: 177 [2024-12-02 05:50:09,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:09,566 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 148 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:09,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 435 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-12-02 05:50:09,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 139. [2024-12-02 05:50:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 91 states have internal predecessors, (128), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 05:50:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 216 transitions. [2024-12-02 05:50:09,596 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 216 transitions. Word has length 149 [2024-12-02 05:50:09,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:09,596 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 216 transitions. [2024-12-02 05:50:09,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2024-12-02 05:50:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:50:09,599 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:09,599 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:09,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:50:09,600 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:09,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:09,600 INFO L85 PathProgramCache]: Analyzing trace with hash 644490442, now seen corresponding path program 1 times [2024-12-02 05:50:09,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:09,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834123061] [2024-12-02 05:50:09,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:09,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:10,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:10,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834123061] [2024-12-02 05:50:10,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834123061] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:10,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:10,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:50:10,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324351566] [2024-12-02 05:50:10,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:10,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:50:10,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:10,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:10,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:10,826 INFO L87 Difference]: Start difference. First operand 139 states and 216 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:50:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:11,267 INFO L93 Difference]: Finished difference Result 253 states and 404 transitions. [2024-12-02 05:50:11,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:11,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-12-02 05:50:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:11,270 INFO L225 Difference]: With dead ends: 253 [2024-12-02 05:50:11,270 INFO L226 Difference]: Without dead ends: 179 [2024-12-02 05:50:11,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:50:11,271 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 137 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:11,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 384 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:11,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-12-02 05:50:11,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 144. [2024-12-02 05:50:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 05:50:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 225 transitions. [2024-12-02 05:50:11,299 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 225 transitions. Word has length 149 [2024-12-02 05:50:11,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:11,300 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 225 transitions. [2024-12-02 05:50:11,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:50:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 225 transitions. [2024-12-02 05:50:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:50:11,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:11,303 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:11,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:50:11,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:11,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:11,304 INFO L85 PathProgramCache]: Analyzing trace with hash -780156358, now seen corresponding path program 1 times [2024-12-02 05:50:11,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:11,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650506456] [2024-12-02 05:50:11,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:11,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:12,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:12,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650506456] [2024-12-02 05:50:12,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650506456] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:12,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:12,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 05:50:12,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362937403] [2024-12-02 05:50:12,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:12,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:50:12,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:12,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:50:12,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:50:12,362 INFO L87 Difference]: Start difference. First operand 144 states and 225 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:13,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:13,577 INFO L93 Difference]: Finished difference Result 436 states and 656 transitions. [2024-12-02 05:50:13,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 05:50:13,578 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:50:13,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:13,581 INFO L225 Difference]: With dead ends: 436 [2024-12-02 05:50:13,581 INFO L226 Difference]: Without dead ends: 362 [2024-12-02 05:50:13,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:50:13,583 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 330 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:13,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 944 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 05:50:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-12-02 05:50:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 257. [2024-12-02 05:50:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 198 states have (on average 1.4848484848484849) internal successors, (294), 201 states have internal predecessors, (294), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 05:50:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 398 transitions. [2024-12-02 05:50:13,613 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 398 transitions. Word has length 150 [2024-12-02 05:50:13,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:13,614 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 398 transitions. [2024-12-02 05:50:13,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:13,614 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 398 transitions. [2024-12-02 05:50:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:50:13,615 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:13,616 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:13,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:50:13,616 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:13,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:13,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1679730286, now seen corresponding path program 1 times [2024-12-02 05:50:13,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:13,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326467423] [2024-12-02 05:50:13,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:13,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:17,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:17,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326467423] [2024-12-02 05:50:17,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326467423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:17,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:17,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 05:50:17,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476201378] [2024-12-02 05:50:17,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:17,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 05:50:17,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:17,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 05:50:17,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:50:17,584 INFO L87 Difference]: Start difference. First operand 257 states and 398 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:19,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:19,191 INFO L93 Difference]: Finished difference Result 712 states and 1066 transitions. [2024-12-02 05:50:19,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 05:50:19,192 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:50:19,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:19,196 INFO L225 Difference]: With dead ends: 712 [2024-12-02 05:50:19,196 INFO L226 Difference]: Without dead ends: 535 [2024-12-02 05:50:19,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2024-12-02 05:50:19,197 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 372 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:19,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 595 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 05:50:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-12-02 05:50:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 295. [2024-12-02 05:50:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 236 states have (on average 1.4745762711864407) internal successors, (348), 239 states have internal predecessors, (348), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 05:50:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 452 transitions. [2024-12-02 05:50:19,237 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 452 transitions. Word has length 150 [2024-12-02 05:50:19,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:19,237 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 452 transitions. [2024-12-02 05:50:19,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 452 transitions. [2024-12-02 05:50:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:50:19,239 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:19,239 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:19,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:50:19,240 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:19,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:19,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1681577328, now seen corresponding path program 1 times [2024-12-02 05:50:19,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:19,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087623271] [2024-12-02 05:50:19,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:46,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:46,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087623271] [2024-12-02 05:50:46,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087623271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:46,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:46,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 05:50:46,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072756255] [2024-12-02 05:50:46,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:46,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 05:50:46,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:46,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 05:50:46,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:50:46,325 INFO L87 Difference]: Start difference. First operand 295 states and 452 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:48,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:48,215 INFO L93 Difference]: Finished difference Result 810 states and 1191 transitions. [2024-12-02 05:50:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 05:50:48,216 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:50:48,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:48,219 INFO L225 Difference]: With dead ends: 810 [2024-12-02 05:50:48,219 INFO L226 Difference]: Without dead ends: 633 [2024-12-02 05:50:48,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:50:48,221 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 255 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:48,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 706 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 05:50:48,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-12-02 05:50:48,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 247. [2024-12-02 05:50:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 195 states have (on average 1.4666666666666666) internal successors, (286), 196 states have internal predecessors, (286), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 05:50:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 378 transitions. [2024-12-02 05:50:48,257 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 378 transitions. Word has length 150 [2024-12-02 05:50:48,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:48,258 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 378 transitions. [2024-12-02 05:50:48,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2024-12-02 05:50:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:50:48,260 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:48,260 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:48,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:50:48,260 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:48,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:48,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1937895724, now seen corresponding path program 1 times [2024-12-02 05:50:48,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:48,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680992104] [2024-12-02 05:50:48,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:52,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:52,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680992104] [2024-12-02 05:50:52,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680992104] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:52,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:52,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 05:50:52,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185782188] [2024-12-02 05:50:52,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:52,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 05:50:52,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:52,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 05:50:52,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-12-02 05:50:52,325 INFO L87 Difference]: Start difference. First operand 247 states and 378 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:53,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:53,556 INFO L93 Difference]: Finished difference Result 457 states and 650 transitions. [2024-12-02 05:50:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 05:50:53,557 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:50:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:53,559 INFO L225 Difference]: With dead ends: 457 [2024-12-02 05:50:53,559 INFO L226 Difference]: Without dead ends: 455 [2024-12-02 05:50:53,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:50:53,559 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 331 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:53,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 545 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 05:50:53,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-12-02 05:50:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 260. [2024-12-02 05:50:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 208 states have (on average 1.4615384615384615) internal successors, (304), 209 states have internal predecessors, (304), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 05:50:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 396 transitions. [2024-12-02 05:50:53,586 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 396 transitions. Word has length 150 [2024-12-02 05:50:53,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:53,586 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 396 transitions. [2024-12-02 05:50:53,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:50:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 396 transitions. [2024-12-02 05:50:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:50:53,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:53,588 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:53,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 05:50:53,588 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:53,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:53,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1939742766, now seen corresponding path program 1 times [2024-12-02 05:50:53,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:53,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244422236] [2024-12-02 05:50:53,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:50:58,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:58,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244422236] [2024-12-02 05:50:58,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244422236] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:58,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:58,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 05:50:58,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840939891] [2024-12-02 05:50:58,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:58,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 05:50:58,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:58,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 05:50:58,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:50:58,837 INFO L87 Difference]: Start difference. First operand 260 states and 396 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:00,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:00,329 INFO L93 Difference]: Finished difference Result 455 states and 647 transitions. [2024-12-02 05:51:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 05:51:00,330 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:51:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:00,332 INFO L225 Difference]: With dead ends: 455 [2024-12-02 05:51:00,332 INFO L226 Difference]: Without dead ends: 453 [2024-12-02 05:51:00,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:51:00,333 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 221 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:00,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 625 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 05:51:00,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-12-02 05:51:00,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 252. [2024-12-02 05:51:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 200 states have (on average 1.47) internal successors, (294), 201 states have internal predecessors, (294), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 05:51:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 386 transitions. [2024-12-02 05:51:00,367 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 386 transitions. Word has length 150 [2024-12-02 05:51:00,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:00,368 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 386 transitions. [2024-12-02 05:51:00,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 386 transitions. [2024-12-02 05:51:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:51:00,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:00,369 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:00,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 05:51:00,369 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:00,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash 91382384, now seen corresponding path program 1 times [2024-12-02 05:51:00,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:00,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801526013] [2024-12-02 05:51:00,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:00,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:00,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801526013] [2024-12-02 05:51:00,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801526013] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:00,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:00,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:00,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244061580] [2024-12-02 05:51:00,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:00,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:00,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:00,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:00,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:00,426 INFO L87 Difference]: Start difference. First operand 252 states and 386 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:00,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:00,507 INFO L93 Difference]: Finished difference Result 556 states and 852 transitions. [2024-12-02 05:51:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:00,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:51:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:00,510 INFO L225 Difference]: With dead ends: 556 [2024-12-02 05:51:00,510 INFO L226 Difference]: Without dead ends: 383 [2024-12-02 05:51:00,511 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 05:51:00,511 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 99 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:00,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 314 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:00,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-12-02 05:51:00,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 381. [2024-12-02 05:51:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 302 states have (on average 1.4337748344370862) internal successors, (433), 304 states have internal predecessors, (433), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-12-02 05:51:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 573 transitions. [2024-12-02 05:51:00,545 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 573 transitions. Word has length 150 [2024-12-02 05:51:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:00,546 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 573 transitions. [2024-12-02 05:51:00,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 573 transitions. [2024-12-02 05:51:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:51:00,547 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:00,547 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:00,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 05:51:00,547 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:00,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:00,548 INFO L85 PathProgramCache]: Analyzing trace with hash 792446962, now seen corresponding path program 1 times [2024-12-02 05:51:00,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:00,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856720029] [2024-12-02 05:51:00,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:00,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:00,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:00,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856720029] [2024-12-02 05:51:00,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856720029] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:00,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:00,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:51:00,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665560440] [2024-12-02 05:51:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:00,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:51:00,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:00,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:51:00,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:51:00,630 INFO L87 Difference]: Start difference. First operand 381 states and 573 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:00,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:00,887 INFO L93 Difference]: Finished difference Result 858 states and 1268 transitions. [2024-12-02 05:51:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:51:00,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:51:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:00,890 INFO L225 Difference]: With dead ends: 858 [2024-12-02 05:51:00,890 INFO L226 Difference]: Without dead ends: 570 [2024-12-02 05:51:00,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:51:00,892 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 99 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:00,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 394 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:51:00,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-12-02 05:51:00,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 526. [2024-12-02 05:51:00,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 419 states have (on average 1.4248210023866348) internal successors, (597), 422 states have internal predecessors, (597), 94 states have call successors, (94), 12 states have call predecessors, (94), 12 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 05:51:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 785 transitions. [2024-12-02 05:51:00,942 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 785 transitions. Word has length 150 [2024-12-02 05:51:00,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:00,942 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 785 transitions. [2024-12-02 05:51:00,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 785 transitions. [2024-12-02 05:51:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:51:00,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:00,943 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:00,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 05:51:00,944 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:00,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:00,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1050612400, now seen corresponding path program 1 times [2024-12-02 05:51:00,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:00,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46361076] [2024-12-02 05:51:00,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:00,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:03,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:03,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46361076] [2024-12-02 05:51:03,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46361076] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:03,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:03,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 05:51:03,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759100862] [2024-12-02 05:51:03,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:03,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:51:03,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:03,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:51:03,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:51:03,077 INFO L87 Difference]: Start difference. First operand 526 states and 785 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:04,727 INFO L93 Difference]: Finished difference Result 826 states and 1147 transitions. [2024-12-02 05:51:04,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:51:04,727 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:51:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:04,731 INFO L225 Difference]: With dead ends: 826 [2024-12-02 05:51:04,732 INFO L226 Difference]: Without dead ends: 824 [2024-12-02 05:51:04,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-12-02 05:51:04,733 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 327 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:04,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 800 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 05:51:04,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2024-12-02 05:51:04,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 622. [2024-12-02 05:51:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 504 states have (on average 1.4087301587301588) internal successors, (710), 509 states have internal predecessors, (710), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 05:51:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 914 transitions. [2024-12-02 05:51:04,831 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 914 transitions. Word has length 150 [2024-12-02 05:51:04,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:04,831 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 914 transitions. [2024-12-02 05:51:04,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 914 transitions. [2024-12-02 05:51:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:51:04,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:04,832 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:04,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 05:51:04,832 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:04,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1052459442, now seen corresponding path program 1 times [2024-12-02 05:51:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:04,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066128499] [2024-12-02 05:51:04,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:04,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:08,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:08,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066128499] [2024-12-02 05:51:08,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066128499] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:08,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:08,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 05:51:08,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694872615] [2024-12-02 05:51:08,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:08,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 05:51:08,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:08,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 05:51:08,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:51:08,204 INFO L87 Difference]: Start difference. First operand 622 states and 914 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:11,055 INFO L93 Difference]: Finished difference Result 758 states and 1067 transitions. [2024-12-02 05:51:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:51:11,056 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-12-02 05:51:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:11,058 INFO L225 Difference]: With dead ends: 758 [2024-12-02 05:51:11,058 INFO L226 Difference]: Without dead ends: 756 [2024-12-02 05:51:11,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:51:11,059 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 398 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:11,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 740 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 05:51:11,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-12-02 05:51:11,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 622. [2024-12-02 05:51:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 504 states have (on average 1.4087301587301588) internal successors, (710), 509 states have internal predecessors, (710), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 05:51:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 914 transitions. [2024-12-02 05:51:11,119 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 914 transitions. Word has length 150 [2024-12-02 05:51:11,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:11,120 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 914 transitions. [2024-12-02 05:51:11,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 914 transitions. [2024-12-02 05:51:11,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:51:11,121 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:11,121 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:11,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 05:51:11,121 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:11,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:11,122 INFO L85 PathProgramCache]: Analyzing trace with hash 862081836, now seen corresponding path program 1 times [2024-12-02 05:51:11,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:11,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932807512] [2024-12-02 05:51:11,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:11,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:11,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:11,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932807512] [2024-12-02 05:51:11,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932807512] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:11,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:11,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 05:51:11,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364548331] [2024-12-02 05:51:11,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:11,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:51:11,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:11,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:51:11,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:51:11,465 INFO L87 Difference]: Start difference. First operand 622 states and 914 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 05:51:11,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:11,816 INFO L93 Difference]: Finished difference Result 1221 states and 1810 transitions. [2024-12-02 05:51:11,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:51:11,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 150 [2024-12-02 05:51:11,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:11,819 INFO L225 Difference]: With dead ends: 1221 [2024-12-02 05:51:11,819 INFO L226 Difference]: Without dead ends: 704 [2024-12-02 05:51:11,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:51:11,820 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 205 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:11,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 443 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:51:11,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-12-02 05:51:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 622. [2024-12-02 05:51:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 504 states have (on average 1.4047619047619047) internal successors, (708), 509 states have internal predecessors, (708), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 05:51:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 912 transitions. [2024-12-02 05:51:11,882 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 912 transitions. Word has length 150 [2024-12-02 05:51:11,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:11,882 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 912 transitions. [2024-12-02 05:51:11,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 05:51:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 912 transitions. [2024-12-02 05:51:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:51:11,883 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:11,884 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:11,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 05:51:11,884 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:11,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:11,884 INFO L85 PathProgramCache]: Analyzing trace with hash 943425489, now seen corresponding path program 1 times [2024-12-02 05:51:11,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:11,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118356471] [2024-12-02 05:51:11,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:11,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:12,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:12,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118356471] [2024-12-02 05:51:12,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118356471] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:12,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:12,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:51:12,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935405233] [2024-12-02 05:51:12,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:12,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:51:12,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:12,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:51:12,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:51:12,121 INFO L87 Difference]: Start difference. First operand 622 states and 912 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:51:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:12,473 INFO L93 Difference]: Finished difference Result 1230 states and 1776 transitions. [2024-12-02 05:51:12,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:51:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-12-02 05:51:12,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:12,475 INFO L225 Difference]: With dead ends: 1230 [2024-12-02 05:51:12,475 INFO L226 Difference]: Without dead ends: 709 [2024-12-02 05:51:12,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:51:12,477 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 191 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:12,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 228 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:51:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-12-02 05:51:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 700. [2024-12-02 05:51:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 560 states have (on average 1.3678571428571429) internal successors, (766), 569 states have internal predecessors, (766), 118 states have call successors, (118), 21 states have call predecessors, (118), 21 states have return successors, (118), 109 states have call predecessors, (118), 118 states have call successors, (118) [2024-12-02 05:51:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1002 transitions. [2024-12-02 05:51:12,560 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1002 transitions. Word has length 150 [2024-12-02 05:51:12,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:12,560 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1002 transitions. [2024-12-02 05:51:12,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:51:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1002 transitions. [2024-12-02 05:51:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:51:12,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:12,562 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:12,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 05:51:12,562 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:12,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:12,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1810085860, now seen corresponding path program 1 times [2024-12-02 05:51:12,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:12,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620375504] [2024-12-02 05:51:12,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:12,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:12,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:12,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620375504] [2024-12-02 05:51:12,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620375504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:12,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:12,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:51:12,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761088566] [2024-12-02 05:51:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:12,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:51:12,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:12,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:51:12,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:51:12,633 INFO L87 Difference]: Start difference. First operand 700 states and 1002 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:12,897 INFO L93 Difference]: Finished difference Result 1525 states and 2181 transitions. [2024-12-02 05:51:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:51:12,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:51:12,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:12,900 INFO L225 Difference]: With dead ends: 1525 [2024-12-02 05:51:12,900 INFO L226 Difference]: Without dead ends: 924 [2024-12-02 05:51:12,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:51:12,902 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 128 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:12,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 416 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:51:12,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-12-02 05:51:13,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 901. [2024-12-02 05:51:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 723 states have (on average 1.3734439834024896) internal successors, (993), 735 states have internal predecessors, (993), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-12-02 05:51:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1293 transitions. [2024-12-02 05:51:13,090 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1293 transitions. Word has length 151 [2024-12-02 05:51:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:13,090 INFO L471 AbstractCegarLoop]: Abstraction has 901 states and 1293 transitions. [2024-12-02 05:51:13,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1293 transitions. [2024-12-02 05:51:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:51:13,092 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:13,092 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:13,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 05:51:13,092 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:13,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:13,093 INFO L85 PathProgramCache]: Analyzing trace with hash 465352446, now seen corresponding path program 1 times [2024-12-02 05:51:13,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:13,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099858813] [2024-12-02 05:51:13,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:13,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:37,863 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:51:37,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:37,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099858813] [2024-12-02 05:51:37,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099858813] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:37,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:37,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 05:51:37,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378076301] [2024-12-02 05:51:37,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:37,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 05:51:37,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:37,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 05:51:37,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:51:37,865 INFO L87 Difference]: Start difference. First operand 901 states and 1293 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:41,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:41,003 INFO L93 Difference]: Finished difference Result 2086 states and 2951 transitions. [2024-12-02 05:51:41,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 05:51:41,004 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:51:41,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:41,007 INFO L225 Difference]: With dead ends: 2086 [2024-12-02 05:51:41,007 INFO L226 Difference]: Without dead ends: 1496 [2024-12-02 05:51:41,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2024-12-02 05:51:41,009 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 394 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:41,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 882 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 05:51:41,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2024-12-02 05:51:41,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 971. [2024-12-02 05:51:41,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 793 states have (on average 1.3783102143757882) internal successors, (1093), 805 states have internal predecessors, (1093), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-12-02 05:51:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1393 transitions. [2024-12-02 05:51:41,190 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1393 transitions. Word has length 151 [2024-12-02 05:51:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:41,190 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1393 transitions. [2024-12-02 05:51:41,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1393 transitions. [2024-12-02 05:51:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:51:41,192 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:41,192 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:41,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 05:51:41,192 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:41,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:41,192 INFO L85 PathProgramCache]: Analyzing trace with hash 467199488, now seen corresponding path program 1 times [2024-12-02 05:51:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:41,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091435031] [2024-12-02 05:51:41,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:41,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:52:16,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:16,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091435031] [2024-12-02 05:52:16,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091435031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:16,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:16,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 05:52:16,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352797907] [2024-12-02 05:52:16,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:16,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 05:52:16,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:16,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 05:52:16,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:52:16,801 INFO L87 Difference]: Start difference. First operand 971 states and 1393 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:22,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:22,016 INFO L93 Difference]: Finished difference Result 1472 states and 2040 transitions. [2024-12-02 05:52:22,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:52:22,017 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:52:22,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:22,020 INFO L225 Difference]: With dead ends: 1472 [2024-12-02 05:52:22,021 INFO L226 Difference]: Without dead ends: 1470 [2024-12-02 05:52:22,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2024-12-02 05:52:22,021 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 553 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:22,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 962 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 05:52:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2024-12-02 05:52:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 971. [2024-12-02 05:52:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 793 states have (on average 1.3783102143757882) internal successors, (1093), 805 states have internal predecessors, (1093), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-12-02 05:52:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1393 transitions. [2024-12-02 05:52:22,127 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1393 transitions. Word has length 151 [2024-12-02 05:52:22,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:22,127 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1393 transitions. [2024-12-02 05:52:22,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1393 transitions. [2024-12-02 05:52:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:22,128 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:22,129 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:22,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 05:52:22,129 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:22,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:22,129 INFO L85 PathProgramCache]: Analyzing trace with hash 723517884, now seen corresponding path program 1 times [2024-12-02 05:52:22,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:22,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46625761] [2024-12-02 05:52:22,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:22,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:52:25,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:25,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46625761] [2024-12-02 05:52:25,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46625761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:25,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:25,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 05:52:25,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360157588] [2024-12-02 05:52:25,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:25,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 05:52:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:25,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 05:52:25,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:52:25,736 INFO L87 Difference]: Start difference. First operand 971 states and 1393 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:27,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:27,345 INFO L93 Difference]: Finished difference Result 1368 states and 1911 transitions. [2024-12-02 05:52:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 05:52:27,346 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:52:27,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:27,349 INFO L225 Difference]: With dead ends: 1368 [2024-12-02 05:52:27,349 INFO L226 Difference]: Without dead ends: 1366 [2024-12-02 05:52:27,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:52:27,350 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 369 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:27,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 783 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 05:52:27,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-12-02 05:52:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 986. [2024-12-02 05:52:27,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 808 states have (on average 1.3787128712871286) internal successors, (1114), 820 states have internal predecessors, (1114), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-12-02 05:52:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1414 transitions. [2024-12-02 05:52:27,455 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1414 transitions. Word has length 151 [2024-12-02 05:52:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:27,455 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1414 transitions. [2024-12-02 05:52:27,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1414 transitions. [2024-12-02 05:52:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:27,456 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:27,456 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:27,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 05:52:27,457 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:27,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:27,457 INFO L85 PathProgramCache]: Analyzing trace with hash 725364926, now seen corresponding path program 1 times [2024-12-02 05:52:27,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:27,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109124494] [2024-12-02 05:52:27,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:27,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:52:33,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:33,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109124494] [2024-12-02 05:52:33,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109124494] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:33,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:33,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 05:52:33,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608631724] [2024-12-02 05:52:33,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:33,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 05:52:33,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:33,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 05:52:33,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:52:33,097 INFO L87 Difference]: Start difference. First operand 986 states and 1414 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:35,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:35,465 INFO L93 Difference]: Finished difference Result 1366 states and 1908 transitions. [2024-12-02 05:52:35,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:52:35,466 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:52:35,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:35,471 INFO L225 Difference]: With dead ends: 1366 [2024-12-02 05:52:35,472 INFO L226 Difference]: Without dead ends: 1364 [2024-12-02 05:52:35,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-12-02 05:52:35,473 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 389 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:35,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 821 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 05:52:35,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-12-02 05:52:35,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 978. [2024-12-02 05:52:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 800 states have (on average 1.38) internal successors, (1104), 812 states have internal predecessors, (1104), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-12-02 05:52:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1404 transitions. [2024-12-02 05:52:35,577 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1404 transitions. Word has length 151 [2024-12-02 05:52:35,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:35,577 INFO L471 AbstractCegarLoop]: Abstraction has 978 states and 1404 transitions. [2024-12-02 05:52:35,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1404 transitions. [2024-12-02 05:52:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:35,578 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:35,578 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:35,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 05:52:35,578 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:35,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:35,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1285914010, now seen corresponding path program 1 times [2024-12-02 05:52:35,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:35,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917445661] [2024-12-02 05:52:35,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:35,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:52:35,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:35,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917445661] [2024-12-02 05:52:35,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917445661] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:35,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342683015] [2024-12-02 05:52:35,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:35,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:35,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:52:35,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:52:35,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:52:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:35,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 05:52:35,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-12-02 05:52:36,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:52:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:52:36,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342683015] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:52:36,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:52:36,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-12-02 05:52:36,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327646150] [2024-12-02 05:52:36,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:52:36,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 05:52:36,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:36,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 05:52:36,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:52:36,265 INFO L87 Difference]: Start difference. First operand 978 states and 1404 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-12-02 05:52:36,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:36,495 INFO L93 Difference]: Finished difference Result 1336 states and 1882 transitions. [2024-12-02 05:52:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:52:36,496 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 151 [2024-12-02 05:52:36,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:36,498 INFO L225 Difference]: With dead ends: 1336 [2024-12-02 05:52:36,498 INFO L226 Difference]: Without dead ends: 420 [2024-12-02 05:52:36,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:52:36,500 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:36,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 311 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:52:36,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-12-02 05:52:36,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2024-12-02 05:52:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 298 states have (on average 1.2248322147651007) internal successors, (365), 301 states have internal predecessors, (365), 94 states have call successors, (94), 19 states have call predecessors, (94), 19 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 05:52:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2024-12-02 05:52:36,584 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 151 [2024-12-02 05:52:36,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:36,584 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2024-12-02 05:52:36,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-12-02 05:52:36,584 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2024-12-02 05:52:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:36,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:36,585 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:36,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 05:52:36,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:36,786 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:36,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:36,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1178338907, now seen corresponding path program 1 times [2024-12-02 05:52:36,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:36,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036169993] [2024-12-02 05:52:36,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:36,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:52:41,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:41,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036169993] [2024-12-02 05:52:41,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036169993] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:41,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:41,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 05:52:41,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474526589] [2024-12-02 05:52:41,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:41,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 05:52:41,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:41,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 05:52:41,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:52:41,735 INFO L87 Difference]: Start difference. First operand 412 states and 553 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:43,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:43,460 INFO L93 Difference]: Finished difference Result 797 states and 1058 transitions. [2024-12-02 05:52:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:52:43,461 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:52:43,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:43,463 INFO L225 Difference]: With dead ends: 797 [2024-12-02 05:52:43,463 INFO L226 Difference]: Without dead ends: 795 [2024-12-02 05:52:43,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-12-02 05:52:43,464 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 228 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:43,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 559 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 05:52:43,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-12-02 05:52:43,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 759. [2024-12-02 05:52:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 558 states have (on average 1.2329749103942653) internal successors, (688), 564 states have internal predecessors, (688), 166 states have call successors, (166), 34 states have call predecessors, (166), 34 states have return successors, (166), 160 states have call predecessors, (166), 166 states have call successors, (166) [2024-12-02 05:52:43,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1020 transitions. [2024-12-02 05:52:43,561 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1020 transitions. Word has length 151 [2024-12-02 05:52:43,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:43,561 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1020 transitions. [2024-12-02 05:52:43,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:43,561 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1020 transitions. [2024-12-02 05:52:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:43,562 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:43,562 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:43,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 05:52:43,562 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:43,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:43,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1180185949, now seen corresponding path program 1 times [2024-12-02 05:52:43,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:43,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189787218] [2024-12-02 05:52:43,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:43,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:52:47,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:47,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189787218] [2024-12-02 05:52:47,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189787218] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:47,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:47,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 05:52:47,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208431896] [2024-12-02 05:52:47,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:47,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 05:52:47,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:47,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 05:52:47,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:52:47,934 INFO L87 Difference]: Start difference. First operand 759 states and 1020 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:50,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:50,856 INFO L93 Difference]: Finished difference Result 795 states and 1055 transitions. [2024-12-02 05:52:50,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:52:50,856 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:52:50,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:50,860 INFO L225 Difference]: With dead ends: 795 [2024-12-02 05:52:50,860 INFO L226 Difference]: Without dead ends: 793 [2024-12-02 05:52:50,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-12-02 05:52:50,861 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 252 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:50,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 654 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 05:52:50,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-12-02 05:52:50,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 744. [2024-12-02 05:52:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 543 states have (on average 1.2302025782688766) internal successors, (668), 549 states have internal predecessors, (668), 166 states have call successors, (166), 34 states have call predecessors, (166), 34 states have return successors, (166), 160 states have call predecessors, (166), 166 states have call successors, (166) [2024-12-02 05:52:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1000 transitions. [2024-12-02 05:52:50,959 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1000 transitions. Word has length 151 [2024-12-02 05:52:50,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:50,960 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1000 transitions. [2024-12-02 05:52:50,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1000 transitions. [2024-12-02 05:52:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:50,960 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:50,961 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:50,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 05:52:50,961 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:50,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:50,961 INFO L85 PathProgramCache]: Analyzing trace with hash 232988646, now seen corresponding path program 1 times [2024-12-02 05:52:50,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:50,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206542066] [2024-12-02 05:52:50,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:50,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:52:51,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:51,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206542066] [2024-12-02 05:52:51,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206542066] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:51,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500555380] [2024-12-02 05:52:51,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:51,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:52:51,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:52:51,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 05:52:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:51,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 05:52:51,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-12-02 05:52:51,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:52:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:52:51,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500555380] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:52:51,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:52:51,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2024-12-02 05:52:51,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630201471] [2024-12-02 05:52:51,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:52:51,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:52:51,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:51,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:52:51,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:52:51,495 INFO L87 Difference]: Start difference. First operand 744 states and 1000 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-12-02 05:52:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:52,149 INFO L93 Difference]: Finished difference Result 1838 states and 2431 transitions. [2024-12-02 05:52:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 05:52:52,149 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) Word has length 151 [2024-12-02 05:52:52,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:52,155 INFO L225 Difference]: With dead ends: 1838 [2024-12-02 05:52:52,155 INFO L226 Difference]: Without dead ends: 1160 [2024-12-02 05:52:52,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=488, Unknown=0, NotChecked=0, Total=702 [2024-12-02 05:52:52,158 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 253 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:52,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 395 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:52:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-12-02 05:52:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1118. [2024-12-02 05:52:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 814 states have (on average 1.2002457002457003) internal successors, (977), 828 states have internal predecessors, (977), 246 states have call successors, (246), 57 states have call predecessors, (246), 57 states have return successors, (246), 232 states have call predecessors, (246), 246 states have call successors, (246) [2024-12-02 05:52:52,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1469 transitions. [2024-12-02 05:52:52,370 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1469 transitions. Word has length 151 [2024-12-02 05:52:52,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:52,370 INFO L471 AbstractCegarLoop]: Abstraction has 1118 states and 1469 transitions. [2024-12-02 05:52:52,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-12-02 05:52:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1469 transitions. [2024-12-02 05:52:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:52,371 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:52,371 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:52,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 05:52:52,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:52,571 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:52,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:52,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1540325407, now seen corresponding path program 1 times [2024-12-02 05:52:52,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:52,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238957954] [2024-12-02 05:52:52,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:52:52,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:52,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238957954] [2024-12-02 05:52:52,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238957954] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:52,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550304080] [2024-12-02 05:52:52,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:52,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:52,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:52:52,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:52:52,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 05:52:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:52,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 05:52:52,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 481 proven. 33 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 05:52:52,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:52:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:52:53,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550304080] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:52:53,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:52:53,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-12-02 05:52:53,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314800949] [2024-12-02 05:52:53,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:52:53,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:52:53,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:53,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:52:53,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:52:53,066 INFO L87 Difference]: Start difference. First operand 1118 states and 1469 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 05:52:53,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:53,513 INFO L93 Difference]: Finished difference Result 2231 states and 2899 transitions. [2024-12-02 05:52:53,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:52:53,514 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 151 [2024-12-02 05:52:53,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:53,521 INFO L225 Difference]: With dead ends: 2231 [2024-12-02 05:52:53,521 INFO L226 Difference]: Without dead ends: 1184 [2024-12-02 05:52:53,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:52:53,523 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:53,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 210 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:52:53,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-12-02 05:52:53,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1162. [2024-12-02 05:52:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 847 states have (on average 1.1865407319952774) internal successors, (1005), 861 states have internal predecessors, (1005), 246 states have call successors, (246), 68 states have call predecessors, (246), 68 states have return successors, (246), 232 states have call predecessors, (246), 246 states have call successors, (246) [2024-12-02 05:52:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1497 transitions. [2024-12-02 05:52:53,746 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1497 transitions. Word has length 151 [2024-12-02 05:52:53,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:53,746 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1497 transitions. [2024-12-02 05:52:53,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 05:52:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1497 transitions. [2024-12-02 05:52:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:52:53,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:53,747 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:53,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 05:52:53,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-02 05:52:53,948 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:53,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:53,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1065698147, now seen corresponding path program 1 times [2024-12-02 05:52:53,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:53,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319786633] [2024-12-02 05:52:53,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 05:52:54,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:54,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319786633] [2024-12-02 05:52:54,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319786633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:54,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:54,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:52:54,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647871827] [2024-12-02 05:52:54,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:54,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:52:54,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:54,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:52:54,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:52:54,195 INFO L87 Difference]: Start difference. First operand 1162 states and 1497 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:54,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:54,707 INFO L93 Difference]: Finished difference Result 2261 states and 2912 transitions. [2024-12-02 05:52:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:52:54,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 05:52:54,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:54,712 INFO L225 Difference]: With dead ends: 2261 [2024-12-02 05:52:54,712 INFO L226 Difference]: Without dead ends: 1182 [2024-12-02 05:52:54,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:52:54,714 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 94 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:54,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 379 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:52:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-12-02 05:52:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1162. [2024-12-02 05:52:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 846 states have (on average 1.1832151300236406) internal successors, (1001), 860 states have internal predecessors, (1001), 246 states have call successors, (246), 69 states have call predecessors, (246), 69 states have return successors, (246), 232 states have call predecessors, (246), 246 states have call successors, (246) [2024-12-02 05:52:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1493 transitions. [2024-12-02 05:52:54,889 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1493 transitions. Word has length 151 [2024-12-02 05:52:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:54,889 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1493 transitions. [2024-12-02 05:52:54,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:52:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1493 transitions. [2024-12-02 05:52:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 05:52:54,890 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:54,890 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:54,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 05:52:54,890 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:54,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:54,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1171362359, now seen corresponding path program 1 times [2024-12-02 05:52:54,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:54,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141182751] [2024-12-02 05:52:54,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:54,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 93 proven. 78 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2024-12-02 05:53:02,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:02,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141182751] [2024-12-02 05:53:02,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141182751] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:02,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131206510] [2024-12-02 05:53:02,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:02,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:02,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:02,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:02,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 05:53:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:02,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 05:53:02,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 634 proven. 141 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-12-02 05:53:04,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:07,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131206510] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:07,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:53:07,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 29 [2024-12-02 05:53:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838968355] [2024-12-02 05:53:07,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:53:07,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 05:53:07,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:07,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 05:53:07,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=962, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 05:53:07,335 INFO L87 Difference]: Start difference. First operand 1162 states and 1493 transitions. Second operand has 29 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 14 states have call successors, (44), 7 states have call predecessors, (44), 10 states have return successors, (44), 11 states have call predecessors, (44), 14 states have call successors, (44) [2024-12-02 05:53:30,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:30,584 INFO L93 Difference]: Finished difference Result 2247 states and 2766 transitions. [2024-12-02 05:53:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-12-02 05:53:30,585 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 14 states have call successors, (44), 7 states have call predecessors, (44), 10 states have return successors, (44), 11 states have call predecessors, (44), 14 states have call successors, (44) Word has length 152 [2024-12-02 05:53:30,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:30,590 INFO L225 Difference]: With dead ends: 2247 [2024-12-02 05:53:30,590 INFO L226 Difference]: Without dead ends: 1720 [2024-12-02 05:53:30,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2985 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=1603, Invalid=8297, Unknown=0, NotChecked=0, Total=9900 [2024-12-02 05:53:30,592 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 931 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:30,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 958 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 05:53:30,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2024-12-02 05:53:30,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 954. [2024-12-02 05:53:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 682 states have (on average 1.1612903225806452) internal successors, (792), 685 states have internal predecessors, (792), 186 states have call successors, (186), 85 states have call predecessors, (186), 85 states have return successors, (186), 183 states have call predecessors, (186), 186 states have call successors, (186) [2024-12-02 05:53:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1164 transitions. [2024-12-02 05:53:30,788 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1164 transitions. Word has length 152 [2024-12-02 05:53:30,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:30,789 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1164 transitions. [2024-12-02 05:53:30,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 14 states have call successors, (44), 7 states have call predecessors, (44), 10 states have return successors, (44), 11 states have call predecessors, (44), 14 states have call successors, (44) [2024-12-02 05:53:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1164 transitions. [2024-12-02 05:53:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 05:53:30,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:30,790 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:30,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 05:53:30,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-02 05:53:30,990 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:30,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:30,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1109358928, now seen corresponding path program 1 times [2024-12-02 05:53:30,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:30,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137982380] [2024-12-02 05:53:30,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:30,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:53:31,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489750157] [2024-12-02 05:53:31,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:31,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:31,041 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:31,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 05:53:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:31,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 05:53:31,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 514 proven. 69 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-12-02 05:53:32,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:33,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:33,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137982380] [2024-12-02 05:53:33,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:53:33,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489750157] [2024-12-02 05:53:33,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489750157] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:33,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:53:33,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-12-02 05:53:33,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145708501] [2024-12-02 05:53:33,998 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:53:33,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 05:53:33,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:33,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 05:53:33,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:53:33,999 INFO L87 Difference]: Start difference. First operand 954 states and 1164 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 05:53:34,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:34,617 INFO L93 Difference]: Finished difference Result 1577 states and 1899 transitions. [2024-12-02 05:53:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 05:53:34,618 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 153 [2024-12-02 05:53:34,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:34,625 INFO L225 Difference]: With dead ends: 1577 [2024-12-02 05:53:34,625 INFO L226 Difference]: Without dead ends: 1026 [2024-12-02 05:53:34,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-12-02 05:53:34,626 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 151 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:34,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 474 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:53:34,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-12-02 05:53:34,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1010. [2024-12-02 05:53:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.1464088397790055) internal successors, (830), 727 states have internal predecessors, (830), 186 states have call successors, (186), 99 states have call predecessors, (186), 99 states have return successors, (186), 183 states have call predecessors, (186), 186 states have call successors, (186) [2024-12-02 05:53:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1202 transitions. [2024-12-02 05:53:34,821 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1202 transitions. Word has length 153 [2024-12-02 05:53:34,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:34,821 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1202 transitions. [2024-12-02 05:53:34,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 05:53:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1202 transitions. [2024-12-02 05:53:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 05:53:34,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:34,822 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:34,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 05:53:35,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-12-02 05:53:35,022 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:35,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:35,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1107511886, now seen corresponding path program 1 times [2024-12-02 05:53:35,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:35,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837583065] [2024-12-02 05:53:35,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:53:35,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195814456] [2024-12-02 05:53:35,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:35,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:35,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:35,068 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:35,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 05:53:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:35,181 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:53:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:53:35,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:53:35,271 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:53:35,272 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:53:35,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 05:53:35,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-02 05:53:35,475 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 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 05:53:35,557 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:53:35,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:53:35 BoogieIcfgContainer [2024-12-02 05:53:35,560 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:53:35,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:53:35,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:53:35,561 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:53:35,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:07" (3/4) ... [2024-12-02 05:53:35,564 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:53:35,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:53:35,566 INFO L158 Benchmark]: Toolchain (without parser) took 208906.05ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 116.6MB in the beginning and 227.6MB in the end (delta: -111.0MB). Peak memory consumption was 266.0MB. Max. memory is 16.1GB. [2024-12-02 05:53:35,566 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:53:35,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.44ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 101.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:53:35,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:53:35,566 INFO L158 Benchmark]: Boogie Preprocessor took 47.37ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 94.1MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:53:35,566 INFO L158 Benchmark]: RCFGBuilder took 457.35ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 71.2MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:53:35,566 INFO L158 Benchmark]: TraceAbstraction took 208100.38ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 70.7MB in the beginning and 227.7MB in the end (delta: -157.0MB). Peak memory consumption was 232.4MB. Max. memory is 16.1GB. [2024-12-02 05:53:35,567 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 520.1MB. Free memory was 227.7MB in the beginning and 227.6MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:53:35,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.44ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 101.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.37ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 94.1MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.35ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 71.2MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 208100.38ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 70.7MB in the beginning and 227.7MB in the end (delta: -157.0MB). Peak memory consumption was 232.4MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 520.1MB. Free memory was 227.7MB in the beginning and 227.6MB in the end (delta: 70.8kB). 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 someUnaryDOUBLEoperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 178. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned long int var_1_26 = 10; [L41] signed long int var_1_28 = -10000; [L42] signed long int var_1_29 = -1263929197; [L43] signed short int var_1_31 = 1; [L44] unsigned char var_1_36 = 32; [L45] double var_1_39 = 3.6; [L46] double var_1_40 = 24.25; [L47] double var_1_41 = 31.25; [L48] unsigned long int var_1_42 = 10; [L49] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L182] isInitial = 1 [L183] FCALL initially() [L185] CALL updateLastVariables() [L175] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L185] RET updateLastVariables() [L186] CALL updateVariables() [L139] var_1_3 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L140] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] var_1_4 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] var_1_6 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L146] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L147] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L147] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L148] var_1_7 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L150] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L150] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L151] var_1_10 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L152] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L153] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L153] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L154] var_1_11 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L155] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L156] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L156] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L159] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L159] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L160] var_1_20 = __VERIFIER_nondet_short() [L161] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L161] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L162] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L162] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L163] var_1_21 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L164] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L165] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L165] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L166] var_1_29 = __VERIFIER_nondet_long() [L167] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L167] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L168] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L168] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L169] var_1_40 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L170] RET assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L171] var_1_41 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L172] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L186] RET updateVariables() [L187] CALL step() [L53] signed char stepLocal_1 = var_1_6; [L54] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=89, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L55] COND FALSE !(-25 == stepLocal_1) [L60] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L62] COND FALSE !(var_1_10 <= (~ ((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6))))) [L73] var_1_42 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L75] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=26, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L76] COND TRUE var_1_8 >= stepLocal_2 [L77] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L79] COND FALSE !(((((((((var_1_21) > (var_1_7)) ? (var_1_21) : (var_1_7)))) > (var_1_19)) ? (((((var_1_21) > (var_1_7)) ? (var_1_21) : (var_1_7)))) : (var_1_19))) > var_1_7) [L84] var_1_36 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L86] var_1_39 = ((((((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) > (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75))))) ? (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) : (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L87] COND TRUE \read(var_1_12) [L88] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L90] COND TRUE var_1_8 > var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L91] COND TRUE var_1_29 < var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L92] COND TRUE var_1_29 <= (-64 & var_1_18) [L93] var_1_31 = ((((var_1_7) > (((((8) < (var_1_7)) ? (8) : (var_1_7))))) ? (var_1_7) : (((((8) < (var_1_7)) ? (8) : (var_1_7)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L99] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L100] COND TRUE \read(var_1_12) [L101] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L104] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=89, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L105] COND TRUE var_1_1 < stepLocal_4 [L106] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L110] COND TRUE \read(var_1_12) [L111] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L113] COND FALSE !(var_1_4 > var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L118] COND FALSE !(-64 > (var_1_6 + var_1_19)) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L121] COND FALSE !(! var_1_12) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L127] var_1_26 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L128] COND FALSE !(((((-256) < 0 ) ? -(-256) : (-256))) < var_1_4) [L131] var_1_28 = var_1_29 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L133] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_3=32767, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L134] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L187] RET step() [L188] CALL, EXPR property() [L178-L179] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 208.0s, OverallIterations: 29, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 57.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7105 SdHoareTripleChecker+Valid, 23.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7051 mSDsluCounter, 15184 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11853 mSDsCounter, 859 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15078 IncrementalHoareTripleChecker+Invalid, 15937 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 859 mSolverCounterUnsat, 3331 mSDtfsCounter, 15078 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2004 GetRequests, 1559 SyntacticMatches, 0 SemanticMatches, 445 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3779 ImplicationChecksByTransitivity, 48.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1162occurred in iteration=25, InterpolantAutomatonStates: 392, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 28 MinimizatonAttempts, 4445 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 144.4s InterpolantComputationTime, 5425 NumberOfCodeBlocks, 5425 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5383 ConstructedInterpolants, 1 QuantifiedInterpolants, 66195 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2191 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 36 InterpolantComputations, 23 PerfectInterpolantSequences, 32664/33264 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 05:53:35,777 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 05:53:35,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:53:37,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:53:37,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:53:37,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:53:37,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:53:37,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:53:37,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:53:37,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:53:37,750 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:53:37,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:53:37,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:53:37,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:53:37,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:53:37,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:53:37,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:53:37,752 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:53:37,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:53:37,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:53:37,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:53:37,753 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:53:37,754 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:53:37,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:53:37,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:53:37,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:53:37,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:53:37,754 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_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 -> 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b [2024-12-02 05:53:38,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:53:38,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:53:38,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:53:38,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:53:38,014 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:53:38,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-12-02 05:53:40,725 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/b910b7d64/a219d80da5034e79bc4697d001936daa/FLAGa4a13457c [2024-12-02 05:53:40,900 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:53:40,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-12-02 05:53:40,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/b910b7d64/a219d80da5034e79bc4697d001936daa/FLAGa4a13457c [2024-12-02 05:53:40,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/data/b910b7d64/a219d80da5034e79bc4697d001936daa [2024-12-02 05:53:40,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:53:40,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:53:40,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:53:40,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:53:40,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:53:40,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:53:40" (1/1) ... [2024-12-02 05:53:40,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5155ee9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:40, skipping insertion in model container [2024-12-02 05:53:40,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:53:40" (1/1) ... [2024-12-02 05:53:40,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:53:41,069 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_2abb475e-4d5a-4fda-891a-0f78cd142be1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-12-02 05:53:41,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:53:41,149 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:53:41,159 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_2abb475e-4d5a-4fda-891a-0f78cd142be1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-12-02 05:53:41,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:53:41,217 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:53:41,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41 WrapperNode [2024-12-02 05:53:41,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:53:41,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:53:41,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:53:41,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:53:41,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,258 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2024-12-02 05:53:41,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:53:41,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:53:41,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:53:41,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:53:41,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,289 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 05:53:41,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:53:41,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:53:41,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:53:41,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:53:41,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (1/1) ... [2024-12-02 05:53:41,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:53:41,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:41,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:53:41,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:53:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:53:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:53:41,473 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:53:41,475 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:53:41,904 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 05:53:41,904 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:53:41,915 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:53:41,915 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:53:41,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:53:41 BoogieIcfgContainer [2024-12-02 05:53:41,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:53:41,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:53:41,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:53:41,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:53:41,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:53:40" (1/3) ... [2024-12-02 05:53:41,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3431cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:53:41, skipping insertion in model container [2024-12-02 05:53:41,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:41" (2/3) ... [2024-12-02 05:53:41,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3431cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:53:41, skipping insertion in model container [2024-12-02 05:53:41,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:53:41" (3/3) ... [2024-12-02 05:53:41,926 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-12-02 05:53:41,941 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:53:41,943 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:53:42,004 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:53:42,017 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;@3be10e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:53:42,017 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:53:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 05:53:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:53:42,033 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:42,034 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:42,034 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:42,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:42,040 INFO L85 PathProgramCache]: Analyzing trace with hash -705274678, now seen corresponding path program 1 times [2024-12-02 05:53:42,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:53:42,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933609242] [2024-12-02 05:53:42,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:42,051 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 05:53:42,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:53:42,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:42,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:42,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:53:42,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-12-02 05:53:42,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:53:42,333 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:53:42,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933609242] [2024-12-02 05:53:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933609242] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:42,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:53:42,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:53:42,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901971394] [2024-12-02 05:53:42,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:42,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:53:42,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:53:42,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:53:42,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:53:42,362 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:53:42,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:42,385 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-12-02 05:53:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:53:42,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-12-02 05:53:42,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:42,391 INFO L225 Difference]: With dead ends: 155 [2024-12-02 05:53:42,392 INFO L226 Difference]: Without dead ends: 77 [2024-12-02 05:53:42,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 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 05:53:42,397 INFO L435 NwaCegarLoop]: 120 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, 120 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 05:53:42,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:53:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-02 05:53:42,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-12-02 05:53:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 05:53:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-12-02 05:53:42,441 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 149 [2024-12-02 05:53:42,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:42,442 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-12-02 05:53:42,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 05:53:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-12-02 05:53:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 05:53:42,446 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:42,446 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:42,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:42,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:42,647 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:42,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:42,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1961533112, now seen corresponding path program 1 times [2024-12-02 05:53:42,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:53:42,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628253458] [2024-12-02 05:53:42,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:42,649 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 05:53:42,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:53:42,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:42,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:42,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 05:53:42,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 548 proven. 75 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-12-02 05:53:44,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:44,748 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:53:44,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628253458] [2024-12-02 05:53:44,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628253458] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:44,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1657865256] [2024-12-02 05:53:44,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:44,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:53:44,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:53:44,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:53:44,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 05:53:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:45,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:53:45,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 548 proven. 75 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-12-02 05:53:46,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:46,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1657865256] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:46,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:53:46,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-12-02 05:53:46,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91758251] [2024-12-02 05:53:46,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:53:46,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:53:46,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:53:46,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:53:46,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:53:46,583 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 05:53:47,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:47,397 INFO L93 Difference]: Finished difference Result 237 states and 370 transitions. [2024-12-02 05:53:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:53:47,398 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 149 [2024-12-02 05:53:47,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:47,401 INFO L225 Difference]: With dead ends: 237 [2024-12-02 05:53:47,401 INFO L226 Difference]: Without dead ends: 163 [2024-12-02 05:53:47,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:53:47,402 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 178 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:47,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 347 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 05:53:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-12-02 05:53:47,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 144. [2024-12-02 05:53:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 05:53:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions. [2024-12-02 05:53:47,427 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 149 [2024-12-02 05:53:47,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:47,428 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 218 transitions. [2024-12-02 05:53:47,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 05:53:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2024-12-02 05:53:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:53:47,431 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:47,431 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:47,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:47,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-02 05:53:47,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 05:53:47,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:47,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:47,833 INFO L85 PathProgramCache]: Analyzing trace with hash 908787384, now seen corresponding path program 1 times [2024-12-02 05:53:47,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:53:47,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108109364] [2024-12-02 05:53:47,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:47,834 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 05:53:47,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:53:47,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:47,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:47,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:53:47,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-12-02 05:53:48,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:53:48,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:53:48,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108109364] [2024-12-02 05:53:48,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108109364] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:53:48,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:53:48,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-12-02 05:53:48,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312309687] [2024-12-02 05:53:48,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:53:48,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:53:48,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:53:48,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:53:48,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:53:48,448 INFO L87 Difference]: Start difference. First operand 144 states and 218 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 05:53:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:48,855 INFO L93 Difference]: Finished difference Result 231 states and 345 transitions. [2024-12-02 05:53:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:53:48,860 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 150 [2024-12-02 05:53:48,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:48,862 INFO L225 Difference]: With dead ends: 231 [2024-12-02 05:53:48,862 INFO L226 Difference]: Without dead ends: 149 [2024-12-02 05:53:48,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:53:48,864 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 64 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:48,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 342 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:53:48,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-12-02 05:53:48,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2024-12-02 05:53:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 92 states have internal predecessors, (118), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 05:53:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 206 transitions. [2024-12-02 05:53:48,888 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 206 transitions. Word has length 150 [2024-12-02 05:53:48,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:48,888 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 206 transitions. [2024-12-02 05:53:48,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 05:53:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2024-12-02 05:53:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 05:53:48,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:48,891 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:48,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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)] Ended with exit code 0 [2024-12-02 05:53:49,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:49,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:49,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:49,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1679730286, now seen corresponding path program 1 times [2024-12-02 05:53:49,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:53:49,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657523085] [2024-12-02 05:53:49,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:49,093 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 05:53:49,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:53:49,094 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:49,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 (6)] Waiting until timeout for monitored process [2024-12-02 05:53:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:49,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:53:49,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-12-02 05:53:49,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 05:53:49,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:53:49,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657523085] [2024-12-02 05:53:49,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657523085] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:53:49,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:53:49,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-12-02 05:53:49,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082360827] [2024-12-02 05:53:49,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:53:49,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:53:49,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:53:49,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:53:49,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:53:49,728 INFO L87 Difference]: Start difference. First operand 143 states and 206 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-12-02 05:53:50,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:50,644 INFO L93 Difference]: Finished difference Result 291 states and 421 transitions. [2024-12-02 05:53:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:53:50,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 150 [2024-12-02 05:53:50,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:50,648 INFO L225 Difference]: With dead ends: 291 [2024-12-02 05:53:50,648 INFO L226 Difference]: Without dead ends: 214 [2024-12-02 05:53:50,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:53:50,649 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 221 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:50,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 358 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 05:53:50,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-12-02 05:53:50,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 203. [2024-12-02 05:53:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 132 states have internal predecessors, (167), 62 states have call successors, (62), 9 states have call predecessors, (62), 9 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 05:53:50,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 291 transitions. [2024-12-02 05:53:50,679 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 291 transitions. Word has length 150 [2024-12-02 05:53:50,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:50,680 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 291 transitions. [2024-12-02 05:53:50,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-12-02 05:53:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 291 transitions. [2024-12-02 05:53:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:53:50,682 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:50,682 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:50,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 (6)] Ended with exit code 0 [2024-12-02 05:53:50,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:50,883 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:50,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:50,883 INFO L85 PathProgramCache]: Analyzing trace with hash 878716413, now seen corresponding path program 1 times [2024-12-02 05:53:50,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:53:50,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110682462] [2024-12-02 05:53:50,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:50,884 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 05:53:50,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:53:50,885 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:53:50,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 (7)] Waiting until timeout for monitored process [2024-12-02 05:53:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:51,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 05:53:51,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 546 proven. 114 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 05:53:52,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:53:57,633 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:53:57,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110682462] [2024-12-02 05:53:57,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110682462] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:57,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [90147216] [2024-12-02 05:53:57,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:57,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:53:57,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:53:57,635 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:53:57,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 05:53:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:58,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 05:53:58,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 528 proven. 108 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 05:54:07,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:54:14,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [90147216] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:54:14,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:54:14,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-12-02 05:54:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36873048] [2024-12-02 05:54:14,846 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:54:14,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 05:54:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:54:14,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 05:54:14,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=650, Unknown=1, NotChecked=0, Total=756 [2024-12-02 05:54:14,848 INFO L87 Difference]: Start difference. First operand 203 states and 291 transitions. Second operand has 22 states, 22 states have (on average 4.863636363636363) internal successors, (107), 22 states have internal predecessors, (107), 7 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2024-12-02 05:54:32,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 05:54:34,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 05:54:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:49,041 INFO L93 Difference]: Finished difference Result 453 states and 612 transitions. [2024-12-02 05:54:49,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-02 05:54:49,042 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.863636363636363) internal successors, (107), 22 states have internal predecessors, (107), 7 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) Word has length 151 [2024-12-02 05:54:49,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:49,047 INFO L225 Difference]: With dead ends: 453 [2024-12-02 05:54:49,047 INFO L226 Difference]: Without dead ends: 311 [2024-12-02 05:54:49,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=532, Invalid=2223, Unknown=1, NotChecked=0, Total=2756 [2024-12-02 05:54:49,050 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 237 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:49,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 459 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 24.7s Time] [2024-12-02 05:54:49,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-12-02 05:54:49,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 297. [2024-12-02 05:54:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 195 states have (on average 1.158974358974359) internal successors, (226), 198 states have internal predecessors, (226), 78 states have call successors, (78), 23 states have call predecessors, (78), 23 states have return successors, (78), 75 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 05:54:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 382 transitions. [2024-12-02 05:54:49,092 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 382 transitions. Word has length 151 [2024-12-02 05:54:49,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:49,092 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 382 transitions. [2024-12-02 05:54:49,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.863636363636363) internal successors, (107), 22 states have internal predecessors, (107), 7 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2024-12-02 05:54:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 382 transitions. [2024-12-02 05:54:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 05:54:49,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:49,095 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:49,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 (7)] Forceful destruction successful, exit code 0 [2024-12-02 05:54:49,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 05:54:49,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 05:54:49,496 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:49,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:49,496 INFO L85 PathProgramCache]: Analyzing trace with hash 880563455, now seen corresponding path program 1 times [2024-12-02 05:54:49,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:54:49,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646240308] [2024-12-02 05:54:49,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:49,497 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 05:54:49,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:54:49,498 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 05:54:49,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/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 (9)] Waiting until timeout for monitored process [2024-12-02 05:54:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:49,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 05:54:49,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 663 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 05:55:19,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:55:28,175 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:28,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646240308] [2024-12-02 05:55:28,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646240308] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:55:28,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1539311875] [2024-12-02 05:55:28,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:28,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:55:28,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:55:28,177 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:55:28,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2abb475e-4d5a-4fda-891a-0f78cd142be1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 05:55:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:29,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 05:55:29,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:56:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 645 proven. 156 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-12-02 05:56:16,698 INFO L312 TraceCheckSpWp]: Computing backward predicates...