./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:28:19,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:28:19,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:28:19,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:28:19,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:28:19,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:28:19,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:28:19,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:28:19,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:28:19,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:28:19,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:28:19,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:28:19,659 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:28:19,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:28:19,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:28:19,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:28:19,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:28:19,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:28:19,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:28:19,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:28:19,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:28:19,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:28:19,668 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:28:19,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:28:19,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:28:19,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:28:19,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:28:19,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:28:19,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:19,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:28:19,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:28:19,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:28:19,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:28:19,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:28:19,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:28:19,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:28:19,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:28:19,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:28:19,681 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:28:19,682 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe [2023-11-06 22:28:19,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:28:19,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:28:19,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:28:19,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:28:19,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:28:19,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-06 22:28:23,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:28:23,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:28:23,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-06 22:28:23,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data/7b02af54d/f801a29b91fe4ee38041faadd3e338a7/FLAGc1ba1bd4f [2023-11-06 22:28:23,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data/7b02af54d/f801a29b91fe4ee38041faadd3e338a7 [2023-11-06 22:28:23,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:28:23,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:28:23,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:23,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:28:23,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:28:23,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:23" (1/1) ... [2023-11-06 22:28:23,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c92ff7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:23, skipping insertion in model container [2023-11-06 22:28:23,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:23" (1/1) ... [2023-11-06 22:28:23,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:28:24,186 WARN L240 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_0f7b08d7-3954-430a-91c9-df0c33c877c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-06 22:28:24,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:24,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:28:24,282 WARN L240 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_0f7b08d7-3954-430a-91c9-df0c33c877c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-06 22:28:24,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:24,350 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:28:24,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24 WrapperNode [2023-11-06 22:28:24,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:24,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:24,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:28:24,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:28:24,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,422 INFO L138 Inliner]: procedures = 29, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-06 22:28:24,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:24,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:28:24,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:28:24,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:28:24,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:28:24,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:28:24,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:28:24,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:28:24,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (1/1) ... [2023-11-06 22:28:24,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:24,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:24,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:28:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:28:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:28:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:28:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:28:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:28:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 22:28:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:28:24,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:28:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:28:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:28:24,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:28:24,745 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:28:24,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:28:25,351 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:28:25,376 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:28:25,376 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:28:25,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:25 BoogieIcfgContainer [2023-11-06 22:28:25,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:28:25,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:28:25,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:28:25,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:28:25,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:23" (1/3) ... [2023-11-06 22:28:25,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1728538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:25, skipping insertion in model container [2023-11-06 22:28:25,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:24" (2/3) ... [2023-11-06 22:28:25,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1728538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:25, skipping insertion in model container [2023-11-06 22:28:25,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:25" (3/3) ... [2023-11-06 22:28:25,392 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-46.i [2023-11-06 22:28:25,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:28:25,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:28:25,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:28:25,487 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@23eff9ff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:28:25,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:28:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:28:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:28:25,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:25,514 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:25,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:25,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1712695378, now seen corresponding path program 1 times [2023-11-06 22:28:25,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:25,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445574575] [2023-11-06 22:28:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:25,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:25,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:25,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445574575] [2023-11-06 22:28:25,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:28:25,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059375352] [2023-11-06 22:28:25,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:25,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:25,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:25,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:25,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:28:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:26,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:28:26,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-06 22:28:26,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:26,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059375352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:26,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:26,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:28:26,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382124511] [2023-11-06 22:28:26,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:26,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:28:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:28:26,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:28:26,232 INFO L87 Difference]: Start difference. First operand has 99 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:28:26,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:26,280 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2023-11-06 22:28:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:28:26,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2023-11-06 22:28:26,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:26,294 INFO L225 Difference]: With dead ends: 191 [2023-11-06 22:28:26,294 INFO L226 Difference]: Without dead ends: 95 [2023-11-06 22:28:26,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:28:26,303 INFO L413 NwaCegarLoop]: 138 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, 138 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 [2023-11-06 22:28:26,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:28:26,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-06 22:28:26,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-06 22:28:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:28:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2023-11-06 22:28:26,362 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 116 [2023-11-06 22:28:26,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:26,363 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2023-11-06 22:28:26,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:28:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-06 22:28:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:28:26,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:26,369 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:26,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:28:26,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:28:26,577 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:26,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:26,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2047071438, now seen corresponding path program 1 times [2023-11-06 22:28:26,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:26,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810657885] [2023-11-06 22:28:26,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:26,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:26,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810657885] [2023-11-06 22:28:26,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:28:26,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608396358] [2023-11-06 22:28:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:26,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:26,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:26,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:26,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:28:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:27,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:28:27,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-06 22:28:27,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:27,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608396358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:27,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:27,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:28:27,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227696027] [2023-11-06 22:28:27,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:27,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:28:27,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:27,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:28:27,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:28:27,192 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:28:27,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:27,293 INFO L93 Difference]: Finished difference Result 193 states and 282 transitions. [2023-11-06 22:28:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:28:27,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2023-11-06 22:28:27,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:27,297 INFO L225 Difference]: With dead ends: 193 [2023-11-06 22:28:27,297 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:28:27,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:27,301 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 10 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:27,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 402 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:28:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:28:27,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2023-11-06 22:28:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:28:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2023-11-06 22:28:27,325 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 116 [2023-11-06 22:28:27,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:27,326 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2023-11-06 22:28:27,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:28:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2023-11-06 22:28:27,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:28:27,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:27,330 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:27,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:27,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:27,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:27,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash 312966988, now seen corresponding path program 1 times [2023-11-06 22:28:27,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:27,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181774740] [2023-11-06 22:28:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:27,610 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:27,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123186435] [2023-11-06 22:28:27,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:27,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:27,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:27,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:27,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:28:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:27,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:28:27,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:28,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:28,664 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:28:28,696 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-06 22:28:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:28:28,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:28,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:28,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181774740] [2023-11-06 22:28:28,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:28:28,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123186435] [2023-11-06 22:28:28,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123186435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:28,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:28,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:28:28,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054970592] [2023-11-06 22:28:28,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:28,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:28:28,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:28,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:28:28,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:28:28,727 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:29,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:29,393 INFO L93 Difference]: Finished difference Result 231 states and 334 transitions. [2023-11-06 22:28:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:28:29,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-06 22:28:29,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:29,398 INFO L225 Difference]: With dead ends: 231 [2023-11-06 22:28:29,398 INFO L226 Difference]: Without dead ends: 137 [2023-11-06 22:28:29,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:28:29,402 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 190 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:29,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 328 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:28:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-06 22:28:29,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 101. [2023-11-06 22:28:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:28:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 145 transitions. [2023-11-06 22:28:29,425 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 145 transitions. Word has length 116 [2023-11-06 22:28:29,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:29,426 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 145 transitions. [2023-11-06 22:28:29,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2023-11-06 22:28:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:28:29,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:29,430 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:29,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:29,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:29,639 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:29,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:29,640 INFO L85 PathProgramCache]: Analyzing trace with hash -273839026, now seen corresponding path program 1 times [2023-11-06 22:28:29,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:29,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349624831] [2023-11-06 22:28:29,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:29,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:29,715 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:29,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298072727] [2023-11-06 22:28:29,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:29,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:29,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:29,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:29,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:28:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:29,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:28:29,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:30,492 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-06 22:28:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:30,555 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:28:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-06 22:28:30,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:28:30,765 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:28:30,766 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2023-11-06 22:28:30,771 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2023-11-06 22:28:30,924 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:28:30,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:30,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349624831] [2023-11-06 22:28:30,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:28:30,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298072727] [2023-11-06 22:28:30,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298072727] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:28:30,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:28:30,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-06 22:28:30,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044049683] [2023-11-06 22:28:30,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:30,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:28:30,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:30,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:28:30,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=117, Unknown=2, NotChecked=0, Total=156 [2023-11-06 22:28:30,930 INFO L87 Difference]: Start difference. First operand 101 states and 145 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:31,339 WARN L839 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_property_#t~ite80#1| 0)) (forall ((v_ArrVal_315 (Array Int Int))) (= (mod (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_315) |c_~#BOOL_unsigned_char_Array_0~0.base|) (+ 4 |c_~#BOOL_unsigned_char_Array_0~0.offset|)) 256) 1))) is different from false [2023-11-06 22:28:31,526 WARN L839 $PredicateComparison]: unable to prove that (and |c_ULTIMATE.start_property_#t~short85#1| (forall ((v_ArrVal_315 (Array Int Int))) (= (mod (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_315) |c_~#BOOL_unsigned_char_Array_0~0.base|) (+ 4 |c_~#BOOL_unsigned_char_Array_0~0.offset|)) 256) 1))) is different from false [2023-11-06 22:28:31,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:31,894 INFO L93 Difference]: Finished difference Result 371 states and 533 transitions. [2023-11-06 22:28:31,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:28:31,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-06 22:28:31,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:31,899 INFO L225 Difference]: With dead ends: 371 [2023-11-06 22:28:31,900 INFO L226 Difference]: Without dead ends: 273 [2023-11-06 22:28:31,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=162, Unknown=4, NotChecked=54, Total=272 [2023-11-06 22:28:31,903 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 232 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 29 mSolverCounterUnsat, 50 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 50 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:31,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 599 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 307 Invalid, 50 Unknown, 17 Unchecked, 0.9s Time] [2023-11-06 22:28:31,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-11-06 22:28:31,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 257. [2023-11-06 22:28:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 219 states have (on average 1.3835616438356164) internal successors, (303), 220 states have internal predecessors, (303), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:28:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 371 transitions. [2023-11-06 22:28:31,992 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 371 transitions. Word has length 116 [2023-11-06 22:28:31,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:31,993 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 371 transitions. [2023-11-06 22:28:31,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 371 transitions. [2023-11-06 22:28:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:28:32,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:32,001 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:32,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:32,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:32,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:32,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:32,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1663569047, now seen corresponding path program 1 times [2023-11-06 22:28:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:32,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675154159] [2023-11-06 22:28:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:32,292 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:32,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1664167483] [2023-11-06 22:28:32,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:32,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:32,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:32,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:32,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:28:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:32,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:28:32,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:32,605 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2023-11-06 22:28:32,615 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:28:32,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:32,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:32,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675154159] [2023-11-06 22:28:32,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:28:32,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664167483] [2023-11-06 22:28:32,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664167483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:32,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:32,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:28:32,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531634739] [2023-11-06 22:28:32,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:32,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:28:32,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:32,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:28:32,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:32,623 INFO L87 Difference]: Start difference. First operand 257 states and 371 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:32,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:32,911 INFO L93 Difference]: Finished difference Result 673 states and 975 transitions. [2023-11-06 22:28:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:28:32,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 22:28:32,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:32,921 INFO L225 Difference]: With dead ends: 673 [2023-11-06 22:28:32,922 INFO L226 Difference]: Without dead ends: 419 [2023-11-06 22:28:32,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:28:32,937 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 112 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:32,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 420 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:28:32,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-11-06 22:28:32,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 300. [2023-11-06 22:28:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 262 states have (on average 1.400763358778626) internal successors, (367), 263 states have internal predecessors, (367), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:28:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 435 transitions. [2023-11-06 22:28:33,002 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 435 transitions. Word has length 118 [2023-11-06 22:28:33,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:33,004 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 435 transitions. [2023-11-06 22:28:33,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 435 transitions. [2023-11-06 22:28:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:28:33,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:33,006 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:33,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:33,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:33,214 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:33,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:33,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2056596057, now seen corresponding path program 1 times [2023-11-06 22:28:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:33,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943435492] [2023-11-06 22:28:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:33,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:33,265 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:33,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651864264] [2023-11-06 22:28:33,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:33,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:33,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:33,274 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:33,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:28:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:33,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:28:33,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:28:33,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:33,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:33,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943435492] [2023-11-06 22:28:33,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:28:33,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651864264] [2023-11-06 22:28:33,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651864264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:33,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:33,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:28:33,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656314765] [2023-11-06 22:28:33,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:33,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:28:33,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:33,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:28:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:33,524 INFO L87 Difference]: Start difference. First operand 300 states and 435 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:33,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:33,614 INFO L93 Difference]: Finished difference Result 627 states and 911 transitions. [2023-11-06 22:28:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:28:33,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 22:28:33,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:33,618 INFO L225 Difference]: With dead ends: 627 [2023-11-06 22:28:33,619 INFO L226 Difference]: Without dead ends: 330 [2023-11-06 22:28:33,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:28:33,622 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 56 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:33,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 535 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:28:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-11-06 22:28:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 306. [2023-11-06 22:28:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 268 states have (on average 1.3917910447761195) internal successors, (373), 269 states have internal predecessors, (373), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:28:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 441 transitions. [2023-11-06 22:28:33,654 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 441 transitions. Word has length 118 [2023-11-06 22:28:33,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:33,655 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 441 transitions. [2023-11-06 22:28:33,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 441 transitions. [2023-11-06 22:28:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:28:33,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:33,658 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:33,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:33,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:33,865 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:33,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:33,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1972053271, now seen corresponding path program 1 times [2023-11-06 22:28:33,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:33,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823189648] [2023-11-06 22:28:33,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:33,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:33,935 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:33,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1373727392] [2023-11-06 22:28:33,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:33,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:33,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:33,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:28:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:34,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:28:34,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:34,205 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:28:34,248 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:28:34,248 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 28 [2023-11-06 22:28:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-06 22:28:34,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:28:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:28:34,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:34,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823189648] [2023-11-06 22:28:34,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:28:34,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373727392] [2023-11-06 22:28:34,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373727392] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:28:34,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:28:34,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2023-11-06 22:28:34,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425959719] [2023-11-06 22:28:34,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:34,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:28:34,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:34,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:28:34,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:28:34,401 INFO L87 Difference]: Start difference. First operand 306 states and 441 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:34,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:34,852 INFO L93 Difference]: Finished difference Result 726 states and 1045 transitions. [2023-11-06 22:28:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:28:34,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 22:28:34,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:34,857 INFO L225 Difference]: With dead ends: 726 [2023-11-06 22:28:34,857 INFO L226 Difference]: Without dead ends: 423 [2023-11-06 22:28:34,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:28:34,860 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 114 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:34,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 718 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:28:34,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-11-06 22:28:34,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 304. [2023-11-06 22:28:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 266 states have (on average 1.394736842105263) internal successors, (371), 267 states have internal predecessors, (371), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:28:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 439 transitions. [2023-11-06 22:28:34,893 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 439 transitions. Word has length 118 [2023-11-06 22:28:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:34,894 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 439 transitions. [2023-11-06 22:28:34,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:28:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 439 transitions. [2023-11-06 22:28:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:28:34,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:34,896 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:34,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-06 22:28:35,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:35,111 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:35,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:35,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1946253049, now seen corresponding path program 1 times [2023-11-06 22:28:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:35,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149611148] [2023-11-06 22:28:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:35,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:35,166 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:35,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371748568] [2023-11-06 22:28:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:35,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:35,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:35,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:35,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:28:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:35,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:28:35,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:35,530 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:28:35,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:35,707 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:28:35,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:35,868 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:28:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:36,032 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:28:36,128 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:28:36,254 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:28:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:36,459 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:28:37,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:28:37,122 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 56 [2023-11-06 22:28:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-06 22:28:41,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:28:42,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:42,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149611148] [2023-11-06 22:28:42,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:28:42,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371748568] [2023-11-06 22:28:42,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371748568] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:28:42,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:28:42,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-06 22:28:42,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959038990] [2023-11-06 22:28:42,077 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:28:42,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:28:42,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:42,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:28:42,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=276, Unknown=1, NotChecked=0, Total=342 [2023-11-06 22:28:42,079 INFO L87 Difference]: Start difference. First operand 304 states and 439 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:28:44,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:28:51,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:28:55,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:01,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:02,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:05,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:06,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:08,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:10,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:13,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:15,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:17,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:18,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:20,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:22,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:24,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:26,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:29,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:33,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:36,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:38,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:40,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:42,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:47,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:55,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:29:57,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:00,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:02,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:06,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:16,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:25,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:27,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:32,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:34,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:45,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:47,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:30:49,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:49,846 INFO L93 Difference]: Finished difference Result 1157 states and 1671 transitions. [2023-11-06 22:30:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:30:49,850 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-06 22:30:49,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:49,857 INFO L225 Difference]: With dead ends: 1157 [2023-11-06 22:30:49,859 INFO L226 Difference]: Without dead ends: 856 [2023-11-06 22:30:49,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=167, Invalid=482, Unknown=1, NotChecked=0, Total=650 [2023-11-06 22:30:49,862 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 211 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 49 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:49,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 659 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1003 Invalid, 16 Unknown, 0 Unchecked, 122.2s Time] [2023-11-06 22:30:49,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2023-11-06 22:30:49,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 850. [2023-11-06 22:30:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 748 states have (on average 1.3957219251336899) internal successors, (1044), 753 states have internal predecessors, (1044), 92 states have call successors, (92), 9 states have call predecessors, (92), 9 states have return successors, (92), 87 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-06 22:30:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1228 transitions. [2023-11-06 22:30:49,963 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1228 transitions. Word has length 118 [2023-11-06 22:30:49,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:49,964 INFO L495 AbstractCegarLoop]: Abstraction has 850 states and 1228 transitions. [2023-11-06 22:30:49,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1228 transitions. [2023-11-06 22:30:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:30:49,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:49,967 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:49,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:50,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:30:50,181 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:50,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:50,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1253195385, now seen corresponding path program 1 times [2023-11-06 22:30:50,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:50,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885594323] [2023-11-06 22:30:50,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:50,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:50,215 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:50,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270457043] [2023-11-06 22:30:50,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:50,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:50,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:50,217 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:50,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:30:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:50,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:30:50,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:50,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:50,542 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:50,756 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:50,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:50,960 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:51,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:51,153 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:51,270 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:30:51,419 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:30:51,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:51,624 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:51,963 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-06 22:30:52,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:52,044 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-06 22:30:52,076 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:30:52,081 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2023-11-06 22:30:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-06 22:30:52,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:30:52,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:52,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885594323] [2023-11-06 22:30:52,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:30:52,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270457043] [2023-11-06 22:30:52,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270457043] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:30:52,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:30:52,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-06 22:30:52,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965275927] [2023-11-06 22:30:52,394 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:30:52,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:30:52,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:52,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:30:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=150, Unknown=12, NotChecked=0, Total=210 [2023-11-06 22:30:52,396 INFO L87 Difference]: Start difference. First operand 850 states and 1228 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:53,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:53,465 INFO L93 Difference]: Finished difference Result 2131 states and 3066 transitions. [2023-11-06 22:30:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:30:53,466 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-06 22:30:53,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:53,477 INFO L225 Difference]: With dead ends: 2131 [2023-11-06 22:30:53,477 INFO L226 Difference]: Without dead ends: 1284 [2023-11-06 22:30:53,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=233, Unknown=12, NotChecked=0, Total=342 [2023-11-06 22:30:53,481 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 446 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:53,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 445 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:30:53,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2023-11-06 22:30:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 897. [2023-11-06 22:30:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 795 states have (on average 1.4) internal successors, (1113), 800 states have internal predecessors, (1113), 92 states have call successors, (92), 9 states have call predecessors, (92), 9 states have return successors, (92), 87 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-06 22:30:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1297 transitions. [2023-11-06 22:30:53,565 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1297 transitions. Word has length 118 [2023-11-06 22:30:53,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:53,566 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 1297 transitions. [2023-11-06 22:30:53,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1297 transitions. [2023-11-06 22:30:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:30:53,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:53,569 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:53,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:53,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:53,776 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:53,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash 666389371, now seen corresponding path program 1 times [2023-11-06 22:30:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:53,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496071090] [2023-11-06 22:30:53,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:53,805 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:53,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940501626] [2023-11-06 22:30:53,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:53,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:53,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:53,807 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:53,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:30:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:54,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:30:54,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:54,104 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:54,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:54,275 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:54,442 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:54,600 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:54,700 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:30:54,820 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:30:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:55,005 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:30:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:30:55,269 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-06 22:30:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-06 22:30:55,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:30:55,536 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_791 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_791) |c_~#signed_char_Array_0~0.base|) (+ 2 |c_~#signed_char_Array_0~0.offset|)) 0)) is different from false [2023-11-06 22:30:55,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:55,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496071090] [2023-11-06 22:30:55,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:30:55,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940501626] [2023-11-06 22:30:55,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940501626] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:30:55,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:30:55,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 22:30:55,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612074621] [2023-11-06 22:30:55,669 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:30:55,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:30:55,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:55,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:30:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=193, Unknown=1, NotChecked=28, Total=272 [2023-11-06 22:30:55,671 INFO L87 Difference]: Start difference. First operand 897 states and 1297 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:57,561 INFO L93 Difference]: Finished difference Result 1980 states and 2853 transitions. [2023-11-06 22:30:57,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:30:57,562 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-06 22:30:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:57,569 INFO L225 Difference]: With dead ends: 1980 [2023-11-06 22:30:57,570 INFO L226 Difference]: Without dead ends: 1080 [2023-11-06 22:30:57,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=342, Unknown=1, NotChecked=40, Total=506 [2023-11-06 22:30:57,578 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 246 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:57,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 575 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 869 Invalid, 1 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:30:57,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-11-06 22:30:57,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 897. [2023-11-06 22:30:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 795 states have (on average 1.3924528301886792) internal successors, (1107), 800 states have internal predecessors, (1107), 92 states have call successors, (92), 9 states have call predecessors, (92), 9 states have return successors, (92), 87 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-06 22:30:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1291 transitions. [2023-11-06 22:30:57,675 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1291 transitions. Word has length 118 [2023-11-06 22:30:57,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:57,678 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 1291 transitions. [2023-11-06 22:30:57,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1291 transitions. [2023-11-06 22:30:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:30:57,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:57,681 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:57,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:57,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:30:57,888 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:57,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash 959801751, now seen corresponding path program 1 times [2023-11-06 22:30:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:57,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672395828] [2023-11-06 22:30:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:57,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:57,926 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:57,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469831464] [2023-11-06 22:30:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:57,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:57,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:57,928 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:57,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:30:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:58,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:30:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:58,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:30:58,561 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:30:58,562 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:30:58,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:58,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:58,775 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:58,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:30:58,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:30:58 BoogieIcfgContainer [2023-11-06 22:30:58,930 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:30:58,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:30:58,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:30:58,931 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:30:58,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:25" (3/4) ... [2023-11-06 22:30:58,934 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:30:58,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:30:58,937 INFO L158 Benchmark]: Toolchain (without parser) took 155023.49ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 111.2MB in the beginning and 66.8MB in the end (delta: 44.4MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2023-11-06 22:30:58,937 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 98.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:58,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.60ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 97.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:30:58,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.69ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 93.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:30:58,939 INFO L158 Benchmark]: Boogie Preprocessor took 68.42ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 91.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:30:58,940 INFO L158 Benchmark]: RCFGBuilder took 886.83ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 91.1MB in the beginning and 141.5MB in the end (delta: -50.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-06 22:30:58,941 INFO L158 Benchmark]: TraceAbstraction took 153547.35ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 140.7MB in the beginning and 67.9MB in the end (delta: 72.8MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2023-11-06 22:30:58,941 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 207.6MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:58,945 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 98.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.60ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 97.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.69ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 93.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.42ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 91.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 886.83ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 91.1MB in the beginning and 141.5MB in the end (delta: -50.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * TraceAbstraction took 153547.35ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 140.7MB in the beginning and 67.9MB in the end (delta: 72.8MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 207.6MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.0MB). 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 someBinaryDOUBLEComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L25-L27] double double_Array_0[1] = { 31.75 }; [L28-L30] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L34] unsigned char last_1_BOOL_unsigned_char_Array_0_4_ = 1; [L35] signed short int last_1_signed_short_int_Array_0_1_ = -4; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L97] EXPR BOOL_unsigned_char_Array_0[4] [L97] last_1_BOOL_unsigned_char_Array_0_4_ = BOOL_unsigned_char_Array_0[4] [L98] EXPR signed_short_int_Array_0[1] [L98] last_1_signed_short_int_Array_0_1_ = signed_short_int_Array_0[1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=-255, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=-255, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=-255, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=-255, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L77] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[2]=256, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[2]=256, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[2]=256, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[2]=256, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L80] BOOL_unsigned_char_Array_0[3] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[3]=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[3]=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[3]=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[3]=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L83] double_Array_0[0] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0]=4, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [(double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F=1, double_Array_0[0]=4, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [(double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F=1, double_Array_0[0]=4, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L85] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[1]=0, signed_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[1]=0, signed_short_int_Array_0={7:0}] [L87] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[1]=0, signed_short_int_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[1]=0, signed_short_int_Array_0={7:0}] [L88] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] RET assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L90] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] RET assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L91] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] RET assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L92] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L93] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0[0]=253] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0[0]=253] [L94] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0[0]=253] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, signed_short_int_Array_0[0]=253] [L109] RET updateVariables() [L110] CALL step() [L39] EXPR signed_short_int_Array_0[0] [L39] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}, signed_short_int_Array_0[0]=253] [L39] COND FALSE !(last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) [L44] EXPR signed_char_Array_0[2] [L44] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[0]=-25, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L44] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) [L44] EXPR signed_char_Array_0[2] [L44] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) VAL [((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0])=-31, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[0]=-25, signed_char_Array_0[2]=-31, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}] [L44] signed long int stepLocal_1 = (((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0])); [L45] EXPR signed_char_Array_0[0] [L45] EXPR signed_char_Array_0[2] [L45] signed long int stepLocal_0 = signed_char_Array_0[0] / signed_char_Array_0[2]; [L46] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-31] [L46] COND TRUE (- double_Array_0[0]) >= 16.75 [L47] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[0]=-25, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-31] [L47] COND TRUE stepLocal_0 >= signed_char_Array_0[0] [L48] COND TRUE stepLocal_1 > -32 [L49] BOOL_unsigned_char_Array_0[4] = 0 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-31] [L63] EXPR signed_char_Array_0[0] [L63] signed char stepLocal_2 = signed_char_Array_0[0]; [L64] EXPR signed_char_Array_0[0] [L64] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[0]=-25, signed_char_Array_0[0]=-25, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-31, stepLocal_2=-25] [L64] EXPR signed_char_Array_0[0] | signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[0] | signed_char_Array_0[0]=-25, signed_char_Array_0[0]=-25, signed_char_Array_0[0]=-25, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-31, stepLocal_2=-25] [L64] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[0] | signed_char_Array_0[0]=-25, signed_char_Array_0[0]=-25, signed_char_Array_0[0]=-25, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-31, stepLocal_2=-25] [L64] COND TRUE ((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < stepLocal_2 [L65] EXPR signed_short_int_Array_0[0] [L65] signed_short_int_Array_0[1] = (signed_short_int_Array_0[0] - 256) [L69] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_char_Array_0[2]=-31, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-31, stepLocal_2=-25] [L69] COND FALSE !(1 == signed_char_Array_0[2]) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) [L101] EXPR BOOL_unsigned_char_Array_0[4] [L101] EXPR ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) VAL [((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[4]=0, double_Array_0={5:0}, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1) VAL [(((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)=0, ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[4]=0, double_Array_0={5:0}, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128))) VAL [((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))=0, (((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)=0, ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[4]=0, double_Array_0={5:0}, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1) VAL [(((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1)=0, ((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))=0, (((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)=0, ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[4]=0, double_Array_0={5:0}, double_Array_0[0]=4, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101-L102] return (((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 153.3s, OverallIterations: 11, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 133.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 67 mSolverCounterUnknown, 1618 SdHoareTripleChecker+Valid, 126.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1617 mSDsluCounter, 4819 SdHoareTripleChecker+Invalid, 125.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 17 IncrementalHoareTripleChecker+Unchecked, 3534 mSDsCounter, 231 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3426 IncrementalHoareTripleChecker+Invalid, 3741 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 231 mSolverCounterUnsat, 1285 mSDtfsCounter, 3426 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1513 GetRequests, 1400 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=897occurred in iteration=9, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 894 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 1522 NumberOfCodeBlocks, 1522 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1394 ConstructedInterpolants, 6 QuantifiedInterpolants, 10010 SizeOfPredicates, 59 NumberOfNonLiveVariables, 3970 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 3726/4368 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:30:59,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:31:01,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:31:01,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:31:02,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:31:02,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:31:02,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:31:02,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:31:02,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:31:02,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:31:02,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:31:02,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:31:02,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:31:02,072 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:31:02,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:31:02,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:31:02,076 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:31:02,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:31:02,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:31:02,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:31:02,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:31:02,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:31:02,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:31:02,080 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:31:02,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:31:02,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:31:02,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:31:02,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:31:02,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:31:02,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:31:02,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:31:02,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:02,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:31:02,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:31:02,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:31:02,087 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:31:02,087 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:31:02,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:31:02,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:31:02,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:31:02,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:31:02,090 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:31:02,090 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:31:02,091 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe [2023-11-06 22:31:02,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:31:02,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:31:02,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:31:02,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:31:02,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:31:02,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-06 22:31:05,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:31:06,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:31:06,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-06 22:31:06,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data/6ebcca0bb/3648df973c9b46639644d4da8d728210/FLAG789f28e85 [2023-11-06 22:31:06,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/data/6ebcca0bb/3648df973c9b46639644d4da8d728210 [2023-11-06 22:31:06,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:31:06,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:31:06,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:06,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:31:06,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:31:06,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2c09a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06, skipping insertion in model container [2023-11-06 22:31:06,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:31:06,435 WARN L240 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_0f7b08d7-3954-430a-91c9-df0c33c877c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-06 22:31:06,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:06,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:31:06,565 WARN L240 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_0f7b08d7-3954-430a-91c9-df0c33c877c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-06 22:31:06,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:06,706 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:31:06,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06 WrapperNode [2023-11-06 22:31:06,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:06,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:06,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:31:06,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:31:06,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,830 INFO L138 Inliner]: procedures = 33, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2023-11-06 22:31:06,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:06,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:31:06,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:31:06,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:31:06,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:31:06,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:31:06,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:31:06,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:31:06,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (1/1) ... [2023-11-06 22:31:06,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:07,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:07,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:07,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:31:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:31:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:31:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:31:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 22:31:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-06 22:31:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:31:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-06 22:31:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 22:31:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:31:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:31:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:31:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:31:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 22:31:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 22:31:07,306 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:31:07,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:31:08,239 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:31:08,248 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:31:08,248 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:31:08,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:08 BoogieIcfgContainer [2023-11-06 22:31:08,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:31:08,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:31:08,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:31:08,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:31:08,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:06" (1/3) ... [2023-11-06 22:31:08,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6943b793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:08, skipping insertion in model container [2023-11-06 22:31:08,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:06" (2/3) ... [2023-11-06 22:31:08,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6943b793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:08, skipping insertion in model container [2023-11-06 22:31:08,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:08" (3/3) ... [2023-11-06 22:31:08,261 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-46.i [2023-11-06 22:31:08,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:31:08,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:31:08,364 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:31:08,372 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@2c34a887, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:31:08,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:31:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:31:08,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:31:08,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:08,405 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:08,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:31:08,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:08,417 INFO L85 PathProgramCache]: Analyzing trace with hash -339365579, now seen corresponding path program 1 times [2023-11-06 22:31:08,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:31:08,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955273443] [2023-11-06 22:31:08,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:08,443 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 [2023-11-06 22:31:08,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:31:08,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:31:08,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:31:08,791 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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)] Exception during sending of exit command (exit): Broken pipe [2023-11-06 22:31:08,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 139 [2023-11-06 22:31:08,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:31:08,992 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 37 more [2023-11-06 22:31:08,997 INFO L158 Benchmark]: Toolchain (without parser) took 2784.27ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 68.5MB in the end (delta: 6.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-06 22:31:08,998 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:08,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.45ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 59.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:31:08,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.11ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 56.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:31:09,000 INFO L158 Benchmark]: Boogie Preprocessor took 146.00ms. Allocated memory is still 98.6MB. Free memory was 56.6MB in the beginning and 53.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:31:09,006 INFO L158 Benchmark]: RCFGBuilder took 1272.41ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 51.8MB in the end (delta: 1.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-06 22:31:09,008 INFO L158 Benchmark]: TraceAbstraction took 741.99ms. Allocated memory is still 98.6MB. Free memory was 50.8MB in the beginning and 68.5MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:09,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.45ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 59.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.11ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 56.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.00ms. Allocated memory is still 98.6MB. Free memory was 56.6MB in the beginning and 53.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1272.41ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 51.8MB in the end (delta: 1.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * TraceAbstraction took 741.99ms. Allocated memory is still 98.6MB. Free memory was 50.8MB in the beginning and 68.5MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:31:09,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b08d7-3954-430a-91c9-df0c33c877c1/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.