./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.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_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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_b88a9c19-3c93-43c8-a00b-613a14877da6/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 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:23:54,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:23:54,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:23:54,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:23:54,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:23:54,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:23:54,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:23:54,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:23:54,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:23:54,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:23:54,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:23:54,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:23:54,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:23:54,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:23:54,209 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:23:54,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:23:54,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:23:54,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:23:54,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:23:54,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:23:54,210 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:54,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:54,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:54,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:23:54,211 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:23:54,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:23:54,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:23:54,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:23:54,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:23:54,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:23:54,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:23:54,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:23:54,212 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_b88a9c19-3c93-43c8-a00b-613a14877da6/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 -> 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 [2024-12-02 15:23:54,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:23:54,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:23:54,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:23:54,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:23:54,507 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:23:54,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-12-02 15:23:57,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/62ccc5c83/fda18f1e0c62416998a09e82a711007c/FLAG52eb92d58 [2024-12-02 15:23:57,397 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:23:57,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-12-02 15:23:57,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/62ccc5c83/fda18f1e0c62416998a09e82a711007c/FLAG52eb92d58 [2024-12-02 15:23:57,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/62ccc5c83/fda18f1e0c62416998a09e82a711007c [2024-12-02 15:23:57,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:23:57,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:23:57,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:57,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:23:57,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:23:57,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b630e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57, skipping insertion in model container [2024-12-02 15:23:57,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:23:57,591 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_b88a9c19-3c93-43c8-a00b-613a14877da6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-12-02 15:23:57,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:57,666 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:23:57,677 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_b88a9c19-3c93-43c8-a00b-613a14877da6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-12-02 15:23:57,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:57,729 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:23:57,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57 WrapperNode [2024-12-02 15:23:57,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:57,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:57,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:23:57,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:23:57,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,785 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-12-02 15:23:57,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:57,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:23:57,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:23:57,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:23:57,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,801 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,820 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 15:23:57,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:23:57,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:23:57,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:23:57,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:23:57,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (1/1) ... [2024-12-02 15:23:57,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:57,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:57,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:23:57,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:23:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:23:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:23:57,982 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:23:57,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:23:58,351 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-02 15:23:58,351 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:23:58,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:23:58,362 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:23:58,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:58 BoogieIcfgContainer [2024-12-02 15:23:58,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:23:58,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:23:58,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:23:58,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:23:58,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:23:57" (1/3) ... [2024-12-02 15:23:58,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d565f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:58, skipping insertion in model container [2024-12-02 15:23:58,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:57" (2/3) ... [2024-12-02 15:23:58,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d565f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:58, skipping insertion in model container [2024-12-02 15:23:58,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:58" (3/3) ... [2024-12-02 15:23:58,373 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-12-02 15:23:58,389 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:23:58,391 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:23:58,442 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:23:58,456 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;@1bb75176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:23:58,456 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:23:58,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:23:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:23:58,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:58,472 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:58,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:58,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:58,476 INFO L85 PathProgramCache]: Analyzing trace with hash 293078757, now seen corresponding path program 1 times [2024-12-02 15:23:58,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:58,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40047510] [2024-12-02 15:23:58,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:58,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 15:23:58,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:58,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40047510] [2024-12-02 15:23:58,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40047510] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:23:58,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451080475] [2024-12-02 15:23:58,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:58,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:23:58,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:58,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:23:58,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:23:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:58,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:23:58,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:23:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 15:23:58,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:23:58,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451080475] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:58,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:23:58,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:23:58,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396862115] [2024-12-02 15:23:58,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:58,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:23:58,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:58,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:23:58,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:23:58,972 INFO L87 Difference]: Start difference. First operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:23:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:58,997 INFO L93 Difference]: Finished difference Result 136 states and 236 transitions. [2024-12-02 15:23:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:23:58,998 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2024-12-02 15:23:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:59,003 INFO L225 Difference]: With dead ends: 136 [2024-12-02 15:23:59,004 INFO L226 Difference]: Without dead ends: 67 [2024-12-02 15:23:59,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 15:23:59,010 INFO L435 NwaCegarLoop]: 103 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, 103 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 15:23:59,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:23:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-12-02 15:23:59,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-12-02 15:23:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:23:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-12-02 15:23:59,048 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 129 [2024-12-02 15:23:59,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:59,049 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-12-02 15:23:59,049 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:23:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-12-02 15:23:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:23:59,053 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:59,053 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:59,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:23:59,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:23:59,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:59,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2013606881, now seen corresponding path program 1 times [2024-12-02 15:23:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:59,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264611109] [2024-12-02 15:23:59,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:59,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:23:59,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:59,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264611109] [2024-12-02 15:23:59,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264611109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:59,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:59,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:23:59,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535576018] [2024-12-02 15:23:59,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:59,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:23:59,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:59,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:23:59,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:23:59,689 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:23:59,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:59,886 INFO L93 Difference]: Finished difference Result 196 states and 304 transitions. [2024-12-02 15:23:59,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:23:59,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2024-12-02 15:23:59,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:59,890 INFO L225 Difference]: With dead ends: 196 [2024-12-02 15:23:59,890 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 15:23:59,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:59,892 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 90 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:59,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 289 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:23:59,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 15:23:59,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2024-12-02 15:23:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:23:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-12-02 15:23:59,918 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 129 [2024-12-02 15:23:59,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:59,919 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-12-02 15:23:59,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:23:59,919 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-12-02 15:23:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:23:59,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:59,922 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:59,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:23:59,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:59,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:59,923 INFO L85 PathProgramCache]: Analyzing trace with hash -105600659, now seen corresponding path program 1 times [2024-12-02 15:23:59,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:59,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697346944] [2024-12-02 15:23:59,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:59,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:00,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:00,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697346944] [2024-12-02 15:24:00,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697346944] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:00,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:00,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:24:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334160127] [2024-12-02 15:24:00,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:00,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:24:00,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:00,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:24:00,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:24:00,128 INFO L87 Difference]: Start difference. First operand 102 states and 155 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:00,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:00,210 INFO L93 Difference]: Finished difference Result 230 states and 355 transitions. [2024-12-02 15:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:24:00,211 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:00,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:00,213 INFO L225 Difference]: With dead ends: 230 [2024-12-02 15:24:00,214 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 15:24:00,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 15:24:00,215 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:00,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 232 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:24:00,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 15:24:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 115. [2024-12-02 15:24:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:24:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 177 transitions. [2024-12-02 15:24:00,235 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 177 transitions. Word has length 130 [2024-12-02 15:24:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:00,235 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 177 transitions. [2024-12-02 15:24:00,235 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2024-12-02 15:24:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:00,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:00,238 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:00,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:24:00,238 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:00,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash 574457711, now seen corresponding path program 1 times [2024-12-02 15:24:00,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:00,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672060264] [2024-12-02 15:24:00,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:00,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:00,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:00,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672060264] [2024-12-02 15:24:00,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672060264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:00,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:00,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:24:00,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165125572] [2024-12-02 15:24:00,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:00,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:24:00,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:00,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:24:00,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:24:00,598 INFO L87 Difference]: Start difference. First operand 115 states and 177 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:00,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:00,758 INFO L93 Difference]: Finished difference Result 244 states and 375 transitions. [2024-12-02 15:24:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:24:00,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:00,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:00,760 INFO L225 Difference]: With dead ends: 244 [2024-12-02 15:24:00,761 INFO L226 Difference]: Without dead ends: 167 [2024-12-02 15:24:00,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:24:00,762 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 51 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:00,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 224 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:24:00,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-12-02 15:24:00,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-12-02 15:24:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 121 states have (on average 1.43801652892562) internal successors, (174), 122 states have internal predecessors, (174), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 15:24:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2024-12-02 15:24:00,789 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 130 [2024-12-02 15:24:00,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:00,790 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2024-12-02 15:24:00,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2024-12-02 15:24:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:00,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:00,792 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:00,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:24:00,792 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:00,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash 517199409, now seen corresponding path program 1 times [2024-12-02 15:24:00,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:00,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089241629] [2024-12-02 15:24:00,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:01,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:01,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089241629] [2024-12-02 15:24:01,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089241629] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:01,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:01,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:24:01,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022385855] [2024-12-02 15:24:01,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:01,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:01,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:01,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:01,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:01,158 INFO L87 Difference]: Start difference. First operand 164 states and 250 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:01,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:01,553 INFO L93 Difference]: Finished difference Result 519 states and 825 transitions. [2024-12-02 15:24:01,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:24:01,554 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:01,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:01,559 INFO L225 Difference]: With dead ends: 519 [2024-12-02 15:24:01,559 INFO L226 Difference]: Without dead ends: 397 [2024-12-02 15:24:01,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 15:24:01,561 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 154 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:01,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 450 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:24:01,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-12-02 15:24:01,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 239. [2024-12-02 15:24:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 177 states have (on average 1.4576271186440677) internal successors, (258), 178 states have internal predecessors, (258), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 15:24:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 370 transitions. [2024-12-02 15:24:01,624 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 370 transitions. Word has length 130 [2024-12-02 15:24:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:01,624 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 370 transitions. [2024-12-02 15:24:01,625 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 370 transitions. [2024-12-02 15:24:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:01,626 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:01,627 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:01,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:24:01,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:01,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash 383185903, now seen corresponding path program 1 times [2024-12-02 15:24:01,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:01,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239399937] [2024-12-02 15:24:01,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:01,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:01,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:01,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239399937] [2024-12-02 15:24:01,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239399937] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:01,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:01,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:24:01,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142574323] [2024-12-02 15:24:01,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:01,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:24:01,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:01,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:24:01,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:24:01,806 INFO L87 Difference]: Start difference. First operand 239 states and 370 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:01,880 INFO L93 Difference]: Finished difference Result 436 states and 682 transitions. [2024-12-02 15:24:01,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:24:01,881 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:01,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:01,883 INFO L225 Difference]: With dead ends: 436 [2024-12-02 15:24:01,883 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 15:24:01,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 15:24:01,885 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:01,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:24:01,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 15:24:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-12-02 15:24:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 177 states have (on average 1.423728813559322) internal successors, (252), 178 states have internal predecessors, (252), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 15:24:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 364 transitions. [2024-12-02 15:24:01,917 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 364 transitions. Word has length 130 [2024-12-02 15:24:01,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:01,917 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 364 transitions. [2024-12-02 15:24:01,917 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 364 transitions. [2024-12-02 15:24:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:01,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:01,919 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:01,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:24:01,919 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:01,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:01,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1610958803, now seen corresponding path program 1 times [2024-12-02 15:24:01,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:01,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871470383] [2024-12-02 15:24:01,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:01,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-12-02 15:24:02,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:02,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871470383] [2024-12-02 15:24:02,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871470383] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:24:02,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218794952] [2024-12-02 15:24:02,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:02,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:02,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:02,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:24:02,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:24:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:02,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 15:24:02,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 401 proven. 45 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-02 15:24:03,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-12-02 15:24:03,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218794952] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:24:03,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:24:03,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 9] total 16 [2024-12-02 15:24:03,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499375725] [2024-12-02 15:24:03,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:24:03,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 15:24:03,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:03,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 15:24:03,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:24:03,866 INFO L87 Difference]: Start difference. First operand 239 states and 364 transitions. Second operand has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:24:05,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:05,250 INFO L93 Difference]: Finished difference Result 864 states and 1273 transitions. [2024-12-02 15:24:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-12-02 15:24:05,251 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 130 [2024-12-02 15:24:05,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:05,255 INFO L225 Difference]: With dead ends: 864 [2024-12-02 15:24:05,255 INFO L226 Difference]: Without dead ends: 742 [2024-12-02 15:24:05,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1195 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=811, Invalid=3095, Unknown=0, NotChecked=0, Total=3906 [2024-12-02 15:24:05,258 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 481 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:05,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 885 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:24:05,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-12-02 15:24:05,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 401. [2024-12-02 15:24:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 309 states have (on average 1.3883495145631068) internal successors, (429), 311 states have internal predecessors, (429), 76 states have call successors, (76), 15 states have call predecessors, (76), 15 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 15:24:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 581 transitions. [2024-12-02 15:24:05,319 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 581 transitions. Word has length 130 [2024-12-02 15:24:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:05,319 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 581 transitions. [2024-12-02 15:24:05,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:24:05,320 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 581 transitions. [2024-12-02 15:24:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:05,321 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:05,322 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:05,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:24:05,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 15:24:05,522 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:05,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:05,523 INFO L85 PathProgramCache]: Analyzing trace with hash 878570159, now seen corresponding path program 1 times [2024-12-02 15:24:05,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:05,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684622187] [2024-12-02 15:24:05,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:24:05,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1477420115] [2024-12-02 15:24:05,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:05,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:05,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:24:05,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:24:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:05,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 15:24:05,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-12-02 15:24:06,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 15:24:06,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:06,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684622187] [2024-12-02 15:24:06,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 15:24:06,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477420115] [2024-12-02 15:24:06,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477420115] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:24:06,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:24:06,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-12-02 15:24:06,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190030785] [2024-12-02 15:24:06,530 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:24:06,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:24:06,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:06,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:24:06,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:24:06,531 INFO L87 Difference]: Start difference. First operand 401 states and 581 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 15:24:08,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:08,275 INFO L93 Difference]: Finished difference Result 880 states and 1251 transitions. [2024-12-02 15:24:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 15:24:08,276 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 130 [2024-12-02 15:24:08,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:08,279 INFO L225 Difference]: With dead ends: 880 [2024-12-02 15:24:08,280 INFO L226 Difference]: Without dead ends: 543 [2024-12-02 15:24:08,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2024-12-02 15:24:08,281 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 315 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:08,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 429 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:24:08,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-12-02 15:24:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 439. [2024-12-02 15:24:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 340 states have (on average 1.361764705882353) internal successors, (463), 343 states have internal predecessors, (463), 78 states have call successors, (78), 20 states have call predecessors, (78), 20 states have return successors, (78), 75 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 15:24:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 619 transitions. [2024-12-02 15:24:08,320 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 619 transitions. Word has length 130 [2024-12-02 15:24:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:08,321 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 619 transitions. [2024-12-02 15:24:08,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 15:24:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 619 transitions. [2024-12-02 15:24:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:08,322 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:08,322 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:08,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:24:08,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:08,523 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:08,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1136735597, now seen corresponding path program 1 times [2024-12-02 15:24:08,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:08,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253324134] [2024-12-02 15:24:08,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:08,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:24:08,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012996137] [2024-12-02 15:24:08,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:08,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:08,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:08,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:24:08,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:24:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:08,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 15:24:08,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-12-02 15:24:09,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:09,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:09,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253324134] [2024-12-02 15:24:09,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 15:24:09,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012996137] [2024-12-02 15:24:09,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012996137] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:24:09,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:24:09,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-12-02 15:24:09,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757544111] [2024-12-02 15:24:09,692 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 15:24:09,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:09,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:09,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:09,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:24:09,693 INFO L87 Difference]: Start difference. First operand 439 states and 619 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:10,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:10,276 INFO L93 Difference]: Finished difference Result 1271 states and 1802 transitions. [2024-12-02 15:24:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:24:10,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-12-02 15:24:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:10,282 INFO L225 Difference]: With dead ends: 1271 [2024-12-02 15:24:10,282 INFO L226 Difference]: Without dead ends: 1009 [2024-12-02 15:24:10,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:24:10,283 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:10,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 574 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:24:10,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2024-12-02 15:24:10,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 752. [2024-12-02 15:24:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 578 states have (on average 1.3581314878892734) internal successors, (785), 584 states have internal predecessors, (785), 138 states have call successors, (138), 35 states have call predecessors, (138), 35 states have return successors, (138), 132 states have call predecessors, (138), 138 states have call successors, (138) [2024-12-02 15:24:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1061 transitions. [2024-12-02 15:24:10,381 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1061 transitions. Word has length 130 [2024-12-02 15:24:10,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:10,381 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1061 transitions. [2024-12-02 15:24:10,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1061 transitions. [2024-12-02 15:24:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:10,383 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:10,383 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:10,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:24:10,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:10,584 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:10,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1097424877, now seen corresponding path program 1 times [2024-12-02 15:24:10,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:10,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871890389] [2024-12-02 15:24:10,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:24:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104481255] [2024-12-02 15:24:10,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:10,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:10,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:10,636 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:24:10,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:24:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:10,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:24:10,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-12-02 15:24:11,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871890389] [2024-12-02 15:24:12,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 15:24:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104481255] [2024-12-02 15:24:12,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104481255] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:24:12,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:24:12,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-12-02 15:24:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660983] [2024-12-02 15:24:12,058 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 15:24:12,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:24:12,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:12,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:24:12,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:24:12,059 INFO L87 Difference]: Start difference. First operand 752 states and 1061 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:12,730 INFO L93 Difference]: Finished difference Result 2010 states and 2883 transitions. [2024-12-02 15:24:12,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:24:12,731 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-12-02 15:24:12,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:12,748 INFO L225 Difference]: With dead ends: 2010 [2024-12-02 15:24:12,748 INFO L226 Difference]: Without dead ends: 1532 [2024-12-02 15:24:12,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:12,750 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 401 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:12,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 530 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:24:12,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-12-02 15:24:12,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1125. [2024-12-02 15:24:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 855 states have (on average 1.3555555555555556) internal successors, (1159), 863 states have internal predecessors, (1159), 214 states have call successors, (214), 55 states have call predecessors, (214), 55 states have return successors, (214), 206 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 15:24:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1587 transitions. [2024-12-02 15:24:12,906 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1587 transitions. Word has length 130 [2024-12-02 15:24:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:12,906 INFO L471 AbstractCegarLoop]: Abstraction has 1125 states and 1587 transitions. [2024-12-02 15:24:12,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1587 transitions. [2024-12-02 15:24:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:12,909 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:12,909 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:12,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:24:13,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 15:24:13,110 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:13,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:13,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1355590315, now seen corresponding path program 1 times [2024-12-02 15:24:13,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:13,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580203152] [2024-12-02 15:24:13,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:24:13,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526698812] [2024-12-02 15:24:13,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:13,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:13,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:13,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:24:13,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:24:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:13,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 15:24:13,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-12-02 15:24:14,360 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:14,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:14,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580203152] [2024-12-02 15:24:14,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 15:24:14,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526698812] [2024-12-02 15:24:14,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526698812] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:24:14,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:24:14,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-12-02 15:24:14,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699855136] [2024-12-02 15:24:14,737 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 15:24:14,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:24:14,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:14,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:24:14,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:24:14,738 INFO L87 Difference]: Start difference. First operand 1125 states and 1587 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:15,832 INFO L93 Difference]: Finished difference Result 2503 states and 3573 transitions. [2024-12-02 15:24:15,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:24:15,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-12-02 15:24:15,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:15,839 INFO L225 Difference]: With dead ends: 2503 [2024-12-02 15:24:15,839 INFO L226 Difference]: Without dead ends: 1446 [2024-12-02 15:24:15,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-12-02 15:24:15,842 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 187 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:15,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 759 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:24:15,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-12-02 15:24:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1121. [2024-12-02 15:24:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 851 states have (on average 1.345475910693302) internal successors, (1145), 859 states have internal predecessors, (1145), 214 states have call successors, (214), 55 states have call predecessors, (214), 55 states have return successors, (214), 206 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 15:24:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1573 transitions. [2024-12-02 15:24:15,972 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1573 transitions. Word has length 130 [2024-12-02 15:24:15,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:15,972 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1573 transitions. [2024-12-02 15:24:15,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1573 transitions. [2024-12-02 15:24:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 15:24:15,974 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:15,974 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:15,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 15:24:16,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 15:24:16,174 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:16,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:16,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1209558168, now seen corresponding path program 1 times [2024-12-02 15:24:16,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:16,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778449661] [2024-12-02 15:24:16,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:16,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:24:16,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480320830] [2024-12-02 15:24:16,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:16,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:24:16,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:16,229 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:24:16,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 15:24:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:24:16,351 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:24:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:24:16,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:24:16,506 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:24:16,507 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:24:16,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 15:24:16,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 15:24:16,711 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:16,788 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:24:16,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:24:16 BoogieIcfgContainer [2024-12-02 15:24:16,790 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:24:16,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:24:16,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:24:16,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:24:16,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:58" (3/4) ... [2024-12-02 15:24:16,793 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:24:16,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:24:16,794 INFO L158 Benchmark]: Toolchain (without parser) took 19368.39ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 116.3MB in the beginning and 284.3MB in the end (delta: -168.0MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-12-02 15:24:16,794 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:24:16,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.51ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 101.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:24:16,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.61ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:24:16,795 INFO L158 Benchmark]: Boogie Preprocessor took 55.03ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 91.0MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:24:16,795 INFO L158 Benchmark]: RCFGBuilder took 520.90ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 65.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:24:16,796 INFO L158 Benchmark]: TraceAbstraction took 18425.24ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 65.2MB in the beginning and 284.3MB in the end (delta: -219.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-12-02 15:24:16,796 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 377.5MB. Free memory was 284.3MB in the beginning and 284.3MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:24:16,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.51ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 101.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.61ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.03ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 91.0MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 520.90ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 65.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18425.24ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 65.2MB in the beginning and 284.3MB in the end (delta: -219.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 377.5MB. Free memory was 284.3MB in the beginning and 284.3MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 154, overapproximation of someBinaryFLOATComparisonOperation at line 177, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] float var_1_26 = 500.65; [L38] float var_1_30 = 9.8; [L39] unsigned char var_1_31 = 4; [L40] unsigned short int var_1_34 = 1; [L41] unsigned long int var_1_35 = 10; [L42] unsigned char var_1_36 = 10; [L43] unsigned char var_1_38 = 16; [L44] unsigned char var_1_39 = 0; [L45] unsigned short int var_1_40 = 10; [L46] unsigned short int var_1_41 = 128; [L47] unsigned short int var_1_42 = 40597; [L48] signed short int last_1_var_1_1 = 16; [L49] unsigned char last_1_var_1_6 = 10; [L50] unsigned char last_1_var_1_8 = 1; [L51] signed short int last_1_var_1_13 = 200; VAL [isInitial=0, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L181] isInitial = 1 [L182] FCALL initially() [L184] CALL updateLastVariables() [L171] last_1_var_1_1 = var_1_1 [L172] last_1_var_1_6 = var_1_6 [L173] last_1_var_1_8 = var_1_8 [L174] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L184] RET updateLastVariables() [L185] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L142] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L143] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L143] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L144] var_1_7 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L145] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L146] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L146] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L148] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L149] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L150] var_1_12 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L151] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L152] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L154] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L155] var_1_16 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L156] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L157] var_1_20 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L158] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L159] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L159] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L160] var_1_38 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L161] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L162] CALL assume_abort_if_not(var_1_38 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L162] RET assume_abort_if_not(var_1_38 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L163] var_1_39 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L164] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L165] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L165] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L166] var_1_42 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_42 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L167] RET assume_abort_if_not(var_1_42 >= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_42 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L168] RET assume_abort_if_not(var_1_42 <= 65534) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] signed long int stepLocal_6 = last_1_var_1_1; [L56] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L57] COND TRUE stepLocal_5 || last_1_var_1_8 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L58] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L61] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L66] COND FALSE !(var_1_14 <= var_1_15) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L69] COND TRUE var_1_5 >= -2 [L70] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L72] unsigned char stepLocal_4 = var_1_6; [L73] signed long int stepLocal_3 = var_1_6 / var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=127, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L74] COND TRUE last_1_var_1_13 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_4=127, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L75] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L76] var_1_13 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L83] unsigned char stepLocal_7 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_7=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L84] COND FALSE !(stepLocal_7 > var_1_6) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L87] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L88] COND TRUE \read(var_1_19) [L89] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L95] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L96] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, stepLocal_2=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L97] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L104] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L106] COND TRUE var_1_11 || var_1_8 [L107] var_1_21 = ((var_1_7 > -4) || var_1_11) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L109] COND FALSE !(((var_1_1 + 25) % var_1_7) < 2) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L112] COND TRUE (- var_1_15) < ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16))) [L113] var_1_30 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L115] COND TRUE ((((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) < (var_1_5)) ? (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) : (var_1_5))) <= var_1_1 [L116] var_1_31 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L118] COND TRUE var_1_6 < ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) [L119] var_1_34 = ((((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) > (var_1_7)) ? (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L121] COND TRUE \read(var_1_11) [L122] var_1_35 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L124] COND TRUE \read(var_1_11) [L125] var_1_36 = (var_1_7 - var_1_38) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L129] COND TRUE (- var_1_7) != var_1_6 [L130] var_1_40 = var_1_39 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L132] COND FALSE !(var_1_7 <= (~ var_1_7)) [L137] var_1_41 = var_1_6 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L186] RET step() [L187] CALL, EXPR property() [L177-L178] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.3s, OverallIterations: 12, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2027 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2003 mSDsluCounter, 4660 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3426 mSDsCounter, 520 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3379 IncrementalHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 520 mSolverCounterUnsat, 1234 mSDtfsCounter, 3379 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1512 GetRequests, 1334 SyntacticMatches, 2 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1611 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1125occurred in iteration=10, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1676 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 2469 NumberOfCodeBlocks, 2469 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1932 ConstructedInterpolants, 1 QuantifiedInterpolants, 8832 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2009 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 8783/9180 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 15:24:16,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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_b88a9c19-3c93-43c8-a00b-613a14877da6/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 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:24:18,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:24:18,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:24:18,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:24:18,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:24:19,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:24:19,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:24:19,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:24:19,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:24:19,016 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:24:19,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:24:19,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:24:19,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:24:19,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:24:19,017 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:24:19,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:24:19,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:24:19,018 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:24:19,019 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:24:19,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:24:19,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:24:19,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:24:19,020 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:24:19,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:24:19,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:24:19,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:24:19,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:24:19,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:24:19,021 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_b88a9c19-3c93-43c8-a00b-613a14877da6/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 -> 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 [2024-12-02 15:24:19,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:24:19,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:24:19,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:24:19,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:24:19,301 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:24:19,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-12-02 15:24:22,065 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/1f834baa3/f084d7899675493aa569f7b6f63f6370/FLAG1722d3bec [2024-12-02 15:24:22,278 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:24:22,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-12-02 15:24:22,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/1f834baa3/f084d7899675493aa569f7b6f63f6370/FLAG1722d3bec [2024-12-02 15:24:22,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/data/1f834baa3/f084d7899675493aa569f7b6f63f6370 [2024-12-02 15:24:22,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:24:22,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:24:22,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:24:22,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:24:22,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:24:22,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b22eb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22, skipping insertion in model container [2024-12-02 15:24:22,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:24:22,779 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_b88a9c19-3c93-43c8-a00b-613a14877da6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-12-02 15:24:22,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:24:22,852 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:24:22,861 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_b88a9c19-3c93-43c8-a00b-613a14877da6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-12-02 15:24:22,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:24:22,908 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:24:22,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22 WrapperNode [2024-12-02 15:24:22,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:24:22,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:24:22,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:24:22,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:24:22,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,953 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-12-02 15:24:22,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:24:22,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:24:22,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:24:22,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:24:22,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,981 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 15:24:22,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,994 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:22,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:23,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:23,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:23,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:23,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:24:23,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:24:23,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:24:23,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:24:23,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (1/1) ... [2024-12-02 15:24:23,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:24:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:23,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:24:23,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:24:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:24:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:24:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:24:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:24:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:24:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:24:23,147 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:24:23,149 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:24:23,704 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-02 15:24:23,704 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:24:23,716 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:24:23,716 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:24:23,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:23 BoogieIcfgContainer [2024-12-02 15:24:23,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:24:23,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:24:23,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:24:23,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:24:23,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:24:22" (1/3) ... [2024-12-02 15:24:23,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b2888b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:24:23, skipping insertion in model container [2024-12-02 15:24:23,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:22" (2/3) ... [2024-12-02 15:24:23,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b2888b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:24:23, skipping insertion in model container [2024-12-02 15:24:23,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:23" (3/3) ... [2024-12-02 15:24:23,727 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-12-02 15:24:23,740 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:24:23,742 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:24:23,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:24:23,802 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;@4358f665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:24:23,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:24:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:24:23,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:24:23,814 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:23,815 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:23,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:23,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:23,820 INFO L85 PathProgramCache]: Analyzing trace with hash 293078757, now seen corresponding path program 1 times [2024-12-02 15:24:23,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:23,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055394768] [2024-12-02 15:24:23,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:23,830 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 15:24:23,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:23,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:23,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:24,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:24:24,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-12-02 15:24:24,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:24:24,222 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:24,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055394768] [2024-12-02 15:24:24,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055394768] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:24,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:24,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:24:24,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743116313] [2024-12-02 15:24:24,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:24,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:24:24,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:24,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:24:24,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:24:24,253 INFO L87 Difference]: Start difference. First operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:24,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:24,281 INFO L93 Difference]: Finished difference Result 136 states and 236 transitions. [2024-12-02 15:24:24,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:24:24,283 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2024-12-02 15:24:24,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:24,291 INFO L225 Difference]: With dead ends: 136 [2024-12-02 15:24:24,291 INFO L226 Difference]: Without dead ends: 67 [2024-12-02 15:24:24,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 15:24:24,298 INFO L435 NwaCegarLoop]: 103 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, 103 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 15:24:24,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:24:24,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-12-02 15:24:24,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-12-02 15:24:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:24:24,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-12-02 15:24:24,351 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 129 [2024-12-02 15:24:24,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:24,351 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-12-02 15:24:24,352 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:24:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-12-02 15:24:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:24:24,355 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:24,355 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:24,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:24,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:24,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:24,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:24,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2013606881, now seen corresponding path program 1 times [2024-12-02 15:24:24,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:24,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414304991] [2024-12-02 15:24:24,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:24,558 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 15:24:24,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:24,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:24,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:24,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:24:24,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:25,255 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:24:25,255 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:25,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414304991] [2024-12-02 15:24:25,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414304991] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:25,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:25,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:24:25,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980845801] [2024-12-02 15:24:25,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:25,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:24:25,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:25,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:24:25,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:24:25,259 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:25,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:25,723 INFO L93 Difference]: Finished difference Result 196 states and 304 transitions. [2024-12-02 15:24:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:24:25,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2024-12-02 15:24:25,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:25,730 INFO L225 Difference]: With dead ends: 196 [2024-12-02 15:24:25,730 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 15:24:25,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:25,732 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 87 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:25,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 289 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:24:25,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 15:24:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2024-12-02 15:24:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:24:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-12-02 15:24:25,757 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 129 [2024-12-02 15:24:25,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:25,758 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-12-02 15:24:25,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-12-02 15:24:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:25,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:25,761 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:25,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:25,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:25,962 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:25,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:25,962 INFO L85 PathProgramCache]: Analyzing trace with hash -105600659, now seen corresponding path program 1 times [2024-12-02 15:24:25,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:25,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858474100] [2024-12-02 15:24:25,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:25,963 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 15:24:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:25,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:25,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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)] Waiting until timeout for monitored process [2024-12-02 15:24:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:26,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:24:26,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:27,067 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:24:27,067 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:27,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858474100] [2024-12-02 15:24:27,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858474100] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:27,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:27,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:24:27,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449146053] [2024-12-02 15:24:27,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:27,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:27,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:27,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:27,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:27,070 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:28,476 INFO L93 Difference]: Finished difference Result 301 states and 473 transitions. [2024-12-02 15:24:28,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:24:28,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:28,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:28,483 INFO L225 Difference]: With dead ends: 301 [2024-12-02 15:24:28,483 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 15:24:28,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 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 15:24:28,484 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 150 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:28,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 450 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 15:24:28,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 15:24:28,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 164. [2024-12-02 15:24:28,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:24:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 252 transitions. [2024-12-02 15:24:28,511 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 252 transitions. Word has length 130 [2024-12-02 15:24:28,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:28,512 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 252 transitions. [2024-12-02 15:24:28,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 252 transitions. [2024-12-02 15:24:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:28,515 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:28,515 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:28,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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)] Ended with exit code 0 [2024-12-02 15:24:28,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:28,716 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:28,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:28,716 INFO L85 PathProgramCache]: Analyzing trace with hash -239614165, now seen corresponding path program 1 times [2024-12-02 15:24:28,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:28,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217027914] [2024-12-02 15:24:28,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:28,717 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 15:24:28,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:28,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:28,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:28,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:24:28,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:29,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:24:29,021 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:29,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217027914] [2024-12-02 15:24:29,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217027914] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:29,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:29,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:24:29,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082752521] [2024-12-02 15:24:29,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:29,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:24:29,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:29,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:24:29,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:24:29,024 INFO L87 Difference]: Start difference. First operand 164 states and 252 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:29,246 INFO L93 Difference]: Finished difference Result 290 states and 449 transitions. [2024-12-02 15:24:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:24:29,253 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:29,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:29,256 INFO L225 Difference]: With dead ends: 290 [2024-12-02 15:24:29,256 INFO L226 Difference]: Without dead ends: 164 [2024-12-02 15:24:29,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 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 15:24:29,259 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:29,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:24:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-12-02 15:24:29,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-12-02 15:24:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:24:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2024-12-02 15:24:29,295 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 130 [2024-12-02 15:24:29,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:29,296 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2024-12-02 15:24:29,297 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2024-12-02 15:24:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:29,299 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:29,299 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:29,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:29,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:29,500 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:29,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:29,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2061208425, now seen corresponding path program 1 times [2024-12-02 15:24:29,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:29,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14387001] [2024-12-02 15:24:29,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:29,501 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 15:24:29,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:29,503 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:29,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:29,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:24:29,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 401 proven. 45 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-02 15:24:30,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-12-02 15:24:30,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:30,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14387001] [2024-12-02 15:24:30,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14387001] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:24:30,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:24:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-12-02 15:24:30,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61115143] [2024-12-02 15:24:30,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:24:30,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:24:30,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:30,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:24:30,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:24:30,612 INFO L87 Difference]: Start difference. First operand 164 states and 250 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 15:24:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:31,683 INFO L93 Difference]: Finished difference Result 357 states and 509 transitions. [2024-12-02 15:24:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 15:24:31,684 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 130 [2024-12-02 15:24:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:31,687 INFO L225 Difference]: With dead ends: 357 [2024-12-02 15:24:31,687 INFO L226 Difference]: Without dead ends: 293 [2024-12-02 15:24:31,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 15:24:31,689 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:31,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 516 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:24:31,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-12-02 15:24:31,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 267. [2024-12-02 15:24:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 182 states have (on average 1.3131868131868132) internal successors, (239), 182 states have internal predecessors, (239), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 15:24:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 383 transitions. [2024-12-02 15:24:31,724 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 383 transitions. Word has length 130 [2024-12-02 15:24:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:31,724 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 383 transitions. [2024-12-02 15:24:31,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 15:24:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2024-12-02 15:24:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:31,726 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:31,727 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:31,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:31,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:31,927 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:31,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:31,928 INFO L85 PathProgramCache]: Analyzing trace with hash 255770091, now seen corresponding path program 1 times [2024-12-02 15:24:31,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:31,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024907290] [2024-12-02 15:24:31,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:31,928 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 15:24:31,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:31,930 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:31,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:32,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:24:32,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-12-02 15:24:32,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:32,508 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:32,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024907290] [2024-12-02 15:24:32,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1024907290] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:24:32,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [992728515] [2024-12-02 15:24:32,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:32,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:24:32,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:24:32,515 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:24:32,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 15:24:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:33,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:24:33,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:33,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:24:33,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [992728515] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:33,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:24:33,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-12-02 15:24:33,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595399406] [2024-12-02 15:24:33,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:33,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:24:33,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:33,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:24:33,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:24:33,707 INFO L87 Difference]: Start difference. First operand 267 states and 383 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:35,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:35,869 INFO L93 Difference]: Finished difference Result 802 states and 1166 transitions. [2024-12-02 15:24:35,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:24:35,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:35,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:35,879 INFO L225 Difference]: With dead ends: 802 [2024-12-02 15:24:35,879 INFO L226 Difference]: Without dead ends: 661 [2024-12-02 15:24:35,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:24:35,880 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 187 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:35,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 479 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 15:24:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-12-02 15:24:35,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 574. [2024-12-02 15:24:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 420 states have (on average 1.3666666666666667) internal successors, (574), 422 states have internal predecessors, (574), 130 states have call successors, (130), 23 states have call predecessors, (130), 23 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) [2024-12-02 15:24:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 834 transitions. [2024-12-02 15:24:35,951 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 834 transitions. Word has length 130 [2024-12-02 15:24:35,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:35,952 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 834 transitions. [2024-12-02 15:24:35,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:35,952 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 834 transitions. [2024-12-02 15:24:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:35,954 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:35,955 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:35,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 15:24:36,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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)] Ended with exit code 0 [2024-12-02 15:24:36,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:36,355 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:36,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:36,356 INFO L85 PathProgramCache]: Analyzing trace with hash 474624809, now seen corresponding path program 1 times [2024-12-02 15:24:36,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:36,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923820904] [2024-12-02 15:24:36,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:36,357 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 15:24:36,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:36,359 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:36,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:36,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:24:36,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:36,880 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:36,880 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:24:36,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:36,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923820904] [2024-12-02 15:24:36,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923820904] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:36,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:36,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:24:36,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646848130] [2024-12-02 15:24:36,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:36,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:24:36,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:36,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:24:36,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:24:36,882 INFO L87 Difference]: Start difference. First operand 574 states and 834 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:37,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:37,336 INFO L93 Difference]: Finished difference Result 1513 states and 2209 transitions. [2024-12-02 15:24:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:24:37,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:37,345 INFO L225 Difference]: With dead ends: 1513 [2024-12-02 15:24:37,345 INFO L226 Difference]: Without dead ends: 1069 [2024-12-02 15:24:37,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:24:37,347 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 148 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:37,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 280 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:24:37,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-12-02 15:24:37,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 894. [2024-12-02 15:24:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 656 states have (on average 1.3719512195121952) internal successors, (900), 658 states have internal predecessors, (900), 202 states have call successors, (202), 35 states have call predecessors, (202), 35 states have return successors, (202), 200 states have call predecessors, (202), 202 states have call successors, (202) [2024-12-02 15:24:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1304 transitions. [2024-12-02 15:24:37,442 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1304 transitions. Word has length 130 [2024-12-02 15:24:37,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:37,442 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1304 transitions. [2024-12-02 15:24:37,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2024-12-02 15:24:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:24:37,444 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:37,445 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:37,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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)] Ended with exit code 0 [2024-12-02 15:24:37,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:37,645 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:37,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1097424877, now seen corresponding path program 1 times [2024-12-02 15:24:37,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:37,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222908544] [2024-12-02 15:24:37,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:37,646 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 15:24:37,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:37,648 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:37,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 (10)] Waiting until timeout for monitored process [2024-12-02 15:24:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:37,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:24:37,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-12-02 15:24:38,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:38,963 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:38,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222908544] [2024-12-02 15:24:38,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222908544] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:24:38,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [703652570] [2024-12-02 15:24:38,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:38,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:24:38,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:24:38,966 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:24:38,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-02 15:24:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:39,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:24:39,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:24:40,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:24:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [703652570] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:24:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-12-02 15:24:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867004280] [2024-12-02 15:24:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:40,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:40,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:40,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:40,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:24:40,607 INFO L87 Difference]: Start difference. First operand 894 states and 1304 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:42,206 INFO L93 Difference]: Finished difference Result 1793 states and 2622 transitions. [2024-12-02 15:24:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:24:42,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-12-02 15:24:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:42,211 INFO L225 Difference]: With dead ends: 1793 [2024-12-02 15:24:42,211 INFO L226 Difference]: Without dead ends: 959 [2024-12-02 15:24:42,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:24:42,214 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 100 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:42,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 444 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 15:24:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-12-02 15:24:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 890. [2024-12-02 15:24:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 652 states have (on average 1.361963190184049) internal successors, (888), 654 states have internal predecessors, (888), 202 states have call successors, (202), 35 states have call predecessors, (202), 35 states have return successors, (202), 200 states have call predecessors, (202), 202 states have call successors, (202) [2024-12-02 15:24:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1292 transitions. [2024-12-02 15:24:42,314 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1292 transitions. Word has length 130 [2024-12-02 15:24:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:42,314 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1292 transitions. [2024-12-02 15:24:42,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:24:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1292 transitions. [2024-12-02 15:24:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 15:24:42,316 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:42,316 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:42,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 (10)] Ended with exit code 0 [2024-12-02 15:24:42,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-02 15:24:42,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:24:42,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:42,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:42,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1467723606, now seen corresponding path program 1 times [2024-12-02 15:24:42,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:42,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264876711] [2024-12-02 15:24:42,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:42,718 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 15:24:42,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:42,720 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:42,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 (12)] Waiting until timeout for monitored process [2024-12-02 15:24:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:42,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:24:42,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:24:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-12-02 15:24:43,314 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:24:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 15:24:45,500 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:24:45,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264876711] [2024-12-02 15:24:45,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264876711] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:24:45,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:24:45,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-02 15:24:45,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662774136] [2024-12-02 15:24:45,500 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:24:45,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:45,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:24:45,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:45,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:45,501 INFO L87 Difference]: Start difference. First operand 890 states and 1292 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 15:24:52,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:52,551 INFO L93 Difference]: Finished difference Result 1742 states and 2432 transitions. [2024-12-02 15:24:52,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 15:24:52,552 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 131 [2024-12-02 15:24:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:52,555 INFO L225 Difference]: With dead ends: 1742 [2024-12-02 15:24:52,555 INFO L226 Difference]: Without dead ends: 1368 [2024-12-02 15:24:52,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=356, Invalid=766, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 15:24:52,557 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 238 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:52,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 369 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 15:24:52,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-12-02 15:24:52,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1093. [2024-12-02 15:24:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 819 states have (on average 1.3357753357753357) internal successors, (1094), 829 states have internal predecessors, (1094), 218 states have call successors, (218), 55 states have call predecessors, (218), 55 states have return successors, (218), 208 states have call predecessors, (218), 218 states have call successors, (218) [2024-12-02 15:24:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1530 transitions. [2024-12-02 15:24:52,631 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1530 transitions. Word has length 131 [2024-12-02 15:24:52,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:52,631 INFO L471 AbstractCegarLoop]: Abstraction has 1093 states and 1530 transitions. [2024-12-02 15:24:52,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 15:24:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1530 transitions. [2024-12-02 15:24:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 15:24:52,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:52,632 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:52,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 (12)] Ended with exit code 0 [2024-12-02 15:24:52,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:52,833 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:24:52,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1209558168, now seen corresponding path program 1 times [2024-12-02 15:24:52,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:24:52,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413255046] [2024-12-02 15:24:52,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:52,834 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 15:24:52,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:24:52,836 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 15:24:52,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88a9c19-3c93-43c8-a00b-613a14877da6/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 (13)] Waiting until timeout for monitored process [2024-12-02 15:24:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:53,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 15:24:53,109 INFO L279 TraceCheckSpWp]: Computing forward predicates...