/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 01:57:22,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 01:57:22,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 01:57:22,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-08 01:57:22,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-08 01:57:22,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-08 01:57:22,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-08 01:57:22,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-08 01:57:22,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-08 01:57:22,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-08 01:57:22,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-08 01:57:22,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-08 01:57:22,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 01:57:22,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 01:57:22,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 01:57:22,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 01:57:22,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 01:57:22,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 01:57:22,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 01:57:22,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 01:57:22,515 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 01:57:22,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 01:57:22,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 01:57:22,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 01:57:22,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 01:57:22,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-08 01:57:22,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-08 01:57:22,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-08 01:57:22,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-08 01:57:22,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-08 01:57:22,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-08 01:57:22,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-08 01:57:22,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-08 01:57:22,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-08 01:57:22,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-08 01:57:22,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-08 01:57:22,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-08 01:57:22,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-08 01:57:22,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-08 01:57:22,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 01:57:22,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 01:57:22,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 01:57:22,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-08 01:57:22,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 01:57:22,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 01:57:22,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-08 01:57:22,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-08 01:57:22,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-08 01:57:22,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-08 01:57:22,550 INFO L138 SettingsManager]: * Use SBE=true [2022-04-08 01:57:22,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 01:57:22,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 01:57:22,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 01:57:22,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 01:57:22,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-08 01:57:22,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-08 01:57:22,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-08 01:57:22,553 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 01:57:22,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 01:57:22,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 01:57:22,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 01:57:22,738 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 01:57:22,739 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 01:57:22,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c [2022-04-08 01:57:22,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bc291691/514bf9634b2b42d5bbe17fd167cf17cb/FLAGf81b2e67d [2022-04-08 01:57:23,148 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 01:57:23,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c [2022-04-08 01:57:23,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bc291691/514bf9634b2b42d5bbe17fd167cf17cb/FLAGf81b2e67d [2022-04-08 01:57:23,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bc291691/514bf9634b2b42d5bbe17fd167cf17cb [2022-04-08 01:57:23,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 01:57:23,168 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-08 01:57:23,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 01:57:23,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 01:57:23,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 01:57:23,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ad0c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23, skipping insertion in model container [2022-04-08 01:57:23,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 01:57:23,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 01:57:23,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2022-04-08 01:57:23,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 01:57:23,333 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 01:57:23,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2022-04-08 01:57:23,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 01:57:23,357 INFO L208 MainTranslator]: Completed translation [2022-04-08 01:57:23,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23 WrapperNode [2022-04-08 01:57:23,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 01:57:23,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 01:57:23,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 01:57:23,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 01:57:23,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 01:57:23,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 01:57:23,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 01:57:23,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 01:57:23,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 01:57:23,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 01:57:23,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-08 01:57:23,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-08 01:57:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 01:57:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 01:57:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 01:57:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 01:57:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 01:57:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 01:57:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 01:57:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 01:57:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 01:57:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 01:57:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 01:57:23,478 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 01:57:23,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 01:57:23,640 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 01:57:23,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 01:57:23,644 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 01:57:23,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 01:57:23 BoogieIcfgContainer [2022-04-08 01:57:23,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 01:57:23,646 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-08 01:57:23,646 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-08 01:57:23,647 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-08 01:57:23,653 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 01:57:23" (1/1) ... [2022-04-08 01:57:23,655 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-08 01:57:23,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 01:57:23 BasicIcfg [2022-04-08 01:57:23,695 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-08 01:57:23,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 01:57:23,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 01:57:23,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 01:57:23,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 01:57:23" (1/4) ... [2022-04-08 01:57:23,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e9c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 01:57:23, skipping insertion in model container [2022-04-08 01:57:23,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 01:57:23" (2/4) ... [2022-04-08 01:57:23,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e9c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 01:57:23, skipping insertion in model container [2022-04-08 01:57:23,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 01:57:23" (3/4) ... [2022-04-08 01:57:23,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e9c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 01:57:23, skipping insertion in model container [2022-04-08 01:57:23,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 01:57:23" (4/4) ... [2022-04-08 01:57:23,699 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm2_valuebound2.cqvasr [2022-04-08 01:57:23,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-08 01:57:23,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 01:57:23,763 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 01:57:23,769 INFO L340 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=FINITE_AUTOMATA, 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 [2022-04-08 01:57:23,770 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 01:57:23,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-08 01:57:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-08 01:57:23,803 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 01:57:23,803 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 01:57:23,803 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 01:57:23,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 01:57:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash -419271626, now seen corresponding path program 1 times [2022-04-08 01:57:23,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 01:57:23,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125235126] [2022-04-08 01:57:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 01:57:23,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 01:57:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 01:57:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,022 INFO L290 TraceCheckUtils]: 0: Hoare triple {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [84] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= 108 (select .cse1 0)) (= (select .cse1 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse1 2) 109) (= (select |v_#valid_1| 1) 1) (= (select .cse1 3) 50) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {37#true} is VALID [2022-04-08 01:57:24,022 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [87] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-08 01:57:24,022 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {37#true} {37#true} [117] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-08 01:57:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 01:57:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,034 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,035 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,035 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,035 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {37#true} [118] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-08 01:57:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-08 01:57:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,050 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,051 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,051 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,052 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [119] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-08 01:57:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-08 01:57:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,058 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,060 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,060 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,061 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [120] assume_abort_if_notEXIT-->L26: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-08 01:57:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-08 01:57:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,068 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,068 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,070 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,070 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [121] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-08 01:57:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-08 01:57:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,081 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,082 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,082 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,082 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [122] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-08 01:57:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-08 01:57:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,099 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,100 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,100 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,100 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [123] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-08 01:57:24,101 INFO L272 TraceCheckUtils]: 0: Hoare triple {37#true} [82] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 01:57:24,102 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [84] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= 108 (select .cse1 0)) (= (select .cse1 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse1 2) 109) (= (select |v_#valid_1| 1) 1) (= (select .cse1 3) 50) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {37#true} is VALID [2022-04-08 01:57:24,102 INFO L290 TraceCheckUtils]: 2: Hoare triple {37#true} [87] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-08 01:57:24,102 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} [117] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-08 01:57:24,102 INFO L272 TraceCheckUtils]: 4: Hoare triple {37#true} [83] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-08 01:57:24,103 INFO L290 TraceCheckUtils]: 5: Hoare triple {37#true} [86] mainENTRY-->L23: Formula: (= v_main_~a~0_1 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_5, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_1, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {37#true} is VALID [2022-04-08 01:57:24,103 INFO L272 TraceCheckUtils]: 6: Hoare triple {37#true} [88] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {37#true} is VALID [2022-04-08 01:57:24,103 INFO L290 TraceCheckUtils]: 7: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,104 INFO L290 TraceCheckUtils]: 8: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,104 INFO L290 TraceCheckUtils]: 9: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,105 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {38#false} {37#true} [118] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-08 01:57:24,105 INFO L290 TraceCheckUtils]: 11: Hoare triple {38#false} [89] L23-1-->L25: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {38#false} is VALID [2022-04-08 01:57:24,105 INFO L272 TraceCheckUtils]: 12: Hoare triple {38#false} [91] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {37#true} is VALID [2022-04-08 01:57:24,105 INFO L290 TraceCheckUtils]: 13: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,106 INFO L290 TraceCheckUtils]: 14: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,106 INFO L290 TraceCheckUtils]: 15: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,107 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {38#false} {38#false} [119] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-08 01:57:24,107 INFO L272 TraceCheckUtils]: 17: Hoare triple {38#false} [94] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {37#true} is VALID [2022-04-08 01:57:24,107 INFO L290 TraceCheckUtils]: 18: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,108 INFO L290 TraceCheckUtils]: 19: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,108 INFO L290 TraceCheckUtils]: 20: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,108 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {38#false} {38#false} [120] assume_abort_if_notEXIT-->L26: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-08 01:57:24,108 INFO L272 TraceCheckUtils]: 22: Hoare triple {38#false} [96] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {37#true} is VALID [2022-04-08 01:57:24,108 INFO L290 TraceCheckUtils]: 23: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,111 INFO L290 TraceCheckUtils]: 24: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,111 INFO L290 TraceCheckUtils]: 25: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,112 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {38#false} {38#false} [121] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-08 01:57:24,112 INFO L272 TraceCheckUtils]: 27: Hoare triple {38#false} [97] L27-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {37#true} is VALID [2022-04-08 01:57:24,112 INFO L290 TraceCheckUtils]: 28: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,113 INFO L290 TraceCheckUtils]: 29: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,113 INFO L290 TraceCheckUtils]: 30: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,113 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {38#false} {38#false} [122] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-08 01:57:24,113 INFO L272 TraceCheckUtils]: 32: Hoare triple {38#false} [98] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {37#true} is VALID [2022-04-08 01:57:24,113 INFO L290 TraceCheckUtils]: 33: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-08 01:57:24,114 INFO L290 TraceCheckUtils]: 34: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,114 INFO L290 TraceCheckUtils]: 35: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,115 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {38#false} {38#false} [123] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-08 01:57:24,115 INFO L290 TraceCheckUtils]: 37: Hoare triple {38#false} [99] L30-->L43-2: Formula: (and (= v_main_~a~0_8 v_main_~v~0_6) (= v_main_~b~0_7 v_main_~y~0_7) (= v_main_~b~0_7 v_main_~u~0_6) (= v_main_~a~0_8 v_main_~x~0_7)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_6, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_6, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {38#false} is VALID [2022-04-08 01:57:24,115 INFO L290 TraceCheckUtils]: 38: Hoare triple {38#false} [100] L43-2-->L37-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,116 INFO L272 TraceCheckUtils]: 39: Hoare triple {38#false} [103] L37-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod (* (* 2 v_main_~a~0_14) v_main_~b~0_13) 4294967296) (mod (+ (* v_main_~x~0_11 v_main_~u~0_9) (* v_main_~y~0_11 v_main_~v~0_9)) 4294967296)) 1 0)) InVars {main_~v~0=v_main_~v~0_9, main_~x~0=v_main_~x~0_11, main_~y~0=v_main_~y~0_11, main_~b~0=v_main_~b~0_13, main_~u~0=v_main_~u~0_9, main_~a~0=v_main_~a~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {38#false} is VALID [2022-04-08 01:57:24,116 INFO L290 TraceCheckUtils]: 40: Hoare triple {38#false} [106] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {38#false} is VALID [2022-04-08 01:57:24,116 INFO L290 TraceCheckUtils]: 41: Hoare triple {38#false} [110] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,116 INFO L290 TraceCheckUtils]: 42: Hoare triple {38#false} [114] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-08 01:57:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-08 01:57:24,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 01:57:24,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125235126] [2022-04-08 01:57:24,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125235126] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 01:57:24,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 01:57:24,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 01:57:24,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277227929] [2022-04-08 01:57:24,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 01:57:24,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-08 01:57:24,129 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 01:57:24,131 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-08 01:57:24,168 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 01:57:24,168 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 01:57:24,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 01:57:24,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 01:57:24,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 01:57:24,199 INFO L87 Difference]: Start difference. First operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-08 01:57:24,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 01:57:24,352 INFO L93 Difference]: Finished difference Result 61 states and 90 transitions. [2022-04-08 01:57:24,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 01:57:24,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-08 01:57:24,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 01:57:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-08 01:57:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2022-04-08 01:57:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-08 01:57:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2022-04-08 01:57:24,368 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 90 transitions. [2022-04-08 01:57:24,446 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 01:57:24,452 INFO L225 Difference]: With dead ends: 61 [2022-04-08 01:57:24,452 INFO L226 Difference]: Without dead ends: 29 [2022-04-08 01:57:24,454 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 01:57:24,456 INFO L913 BasicCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 01:57:24,458 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 01:57:24,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-08 01:57:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-08 01:57:24,476 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 01:57:24,477 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 01:57:24,478 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 01:57:24,478 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 01:57:24,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 01:57:24,481 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-04-08 01:57:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-04-08 01:57:24,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 01:57:24,481 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 01:57:24,482 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 29 states. [2022-04-08 01:57:24,482 INFO L87 Difference]: Start difference. First operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 29 states. [2022-04-08 01:57:24,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 01:57:24,484 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-04-08 01:57:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-04-08 01:57:24,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 01:57:24,485 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 01:57:24,485 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 01:57:24,485 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 01:57:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 01:57:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-04-08 01:57:24,488 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 43 [2022-04-08 01:57:24,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 01:57:24,488 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-04-08 01:57:24,489 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-08 01:57:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-04-08 01:57:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-08 01:57:24,491 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 01:57:24,491 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 01:57:24,491 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 01:57:24,491 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 01:57:24,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 01:57:24,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1223303911, now seen corresponding path program 1 times [2022-04-08 01:57:24,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 01:57:24,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242732177] [2022-04-08 01:57:24,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 01:57:24,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 01:57:24,510 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 01:57:24,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068600041] [2022-04-08 01:57:24,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 01:57:24,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 01:57:24,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 01:57:24,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 01:57:24,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 01:57:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 30 conjunts are in the unsatisfiable core [2022-04-08 01:57:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 01:57:24,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 01:57:25,537 INFO L272 TraceCheckUtils]: 0: Hoare triple {257#true} [82] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,537 INFO L290 TraceCheckUtils]: 1: Hoare triple {257#true} [84] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= 108 (select .cse1 0)) (= (select .cse1 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse1 2) 109) (= (select |v_#valid_1| 1) 1) (= (select .cse1 3) 50) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {257#true} is VALID [2022-04-08 01:57:25,537 INFO L290 TraceCheckUtils]: 2: Hoare triple {257#true} [87] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,538 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {257#true} {257#true} [117] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,538 INFO L272 TraceCheckUtils]: 4: Hoare triple {257#true} [83] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,538 INFO L290 TraceCheckUtils]: 5: Hoare triple {257#true} [86] mainENTRY-->L23: Formula: (= v_main_~a~0_1 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_5, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_1, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {257#true} is VALID [2022-04-08 01:57:25,538 INFO L272 TraceCheckUtils]: 6: Hoare triple {257#true} [88] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {257#true} is VALID [2022-04-08 01:57:25,538 INFO L290 TraceCheckUtils]: 7: Hoare triple {257#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {257#true} is VALID [2022-04-08 01:57:25,538 INFO L290 TraceCheckUtils]: 8: Hoare triple {257#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,539 INFO L290 TraceCheckUtils]: 9: Hoare triple {257#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,539 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {257#true} {257#true} [118] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {257#true} is VALID [2022-04-08 01:57:25,539 INFO L290 TraceCheckUtils]: 11: Hoare triple {257#true} [89] L23-1-->L25: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {257#true} is VALID [2022-04-08 01:57:25,539 INFO L272 TraceCheckUtils]: 12: Hoare triple {257#true} [91] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {257#true} is VALID [2022-04-08 01:57:25,539 INFO L290 TraceCheckUtils]: 13: Hoare triple {257#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {257#true} is VALID [2022-04-08 01:57:25,539 INFO L290 TraceCheckUtils]: 14: Hoare triple {257#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,540 INFO L290 TraceCheckUtils]: 15: Hoare triple {257#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,540 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {257#true} {257#true} [119] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {257#true} is VALID [2022-04-08 01:57:25,541 INFO L272 TraceCheckUtils]: 17: Hoare triple {257#true} [94] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {257#true} is VALID [2022-04-08 01:57:25,541 INFO L290 TraceCheckUtils]: 18: Hoare triple {257#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {257#true} is VALID [2022-04-08 01:57:25,541 INFO L290 TraceCheckUtils]: 19: Hoare triple {257#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,542 INFO L290 TraceCheckUtils]: 20: Hoare triple {257#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,542 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {257#true} {257#true} [120] assume_abort_if_notEXIT-->L26: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {257#true} is VALID [2022-04-08 01:57:25,542 INFO L272 TraceCheckUtils]: 22: Hoare triple {257#true} [96] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {257#true} is VALID [2022-04-08 01:57:25,542 INFO L290 TraceCheckUtils]: 23: Hoare triple {257#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {257#true} is VALID [2022-04-08 01:57:25,542 INFO L290 TraceCheckUtils]: 24: Hoare triple {257#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,543 INFO L290 TraceCheckUtils]: 25: Hoare triple {257#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,543 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {257#true} {257#true} [121] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {257#true} is VALID [2022-04-08 01:57:25,543 INFO L272 TraceCheckUtils]: 27: Hoare triple {257#true} [97] L27-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {257#true} is VALID [2022-04-08 01:57:25,543 INFO L290 TraceCheckUtils]: 28: Hoare triple {257#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {257#true} is VALID [2022-04-08 01:57:25,543 INFO L290 TraceCheckUtils]: 29: Hoare triple {257#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,545 INFO L290 TraceCheckUtils]: 30: Hoare triple {257#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,546 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {257#true} {257#true} [122] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {257#true} is VALID [2022-04-08 01:57:25,546 INFO L272 TraceCheckUtils]: 32: Hoare triple {257#true} [98] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {257#true} is VALID [2022-04-08 01:57:25,546 INFO L290 TraceCheckUtils]: 33: Hoare triple {257#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {257#true} is VALID [2022-04-08 01:57:25,549 INFO L290 TraceCheckUtils]: 34: Hoare triple {257#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,549 INFO L290 TraceCheckUtils]: 35: Hoare triple {257#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#true} is VALID [2022-04-08 01:57:25,553 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {257#true} {257#true} [123] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {257#true} is VALID [2022-04-08 01:57:25,554 INFO L290 TraceCheckUtils]: 37: Hoare triple {257#true} [99] L30-->L43-2: Formula: (and (= v_main_~a~0_8 v_main_~v~0_6) (= v_main_~b~0_7 v_main_~y~0_7) (= v_main_~b~0_7 v_main_~u~0_6) (= v_main_~a~0_8 v_main_~x~0_7)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_6, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_6, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {373#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 01:57:25,554 INFO L290 TraceCheckUtils]: 38: Hoare triple {373#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [102] L43-2-->L38: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {373#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 01:57:25,555 INFO L272 TraceCheckUtils]: 39: Hoare triple {373#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [104] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~y~0_10 v_main_~v~0_8) (* v_main_~x~0_10 v_main_~u~0_8)) 4294967296) (mod (* (* 2 v_main_~a~0_13) v_main_~b~0_12) 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_8, main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_10, main_~b~0=v_main_~b~0_12, main_~u~0=v_main_~u~0_8, main_~a~0=v_main_~a~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {380#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2022-04-08 01:57:25,556 INFO L290 TraceCheckUtils]: 40: Hoare triple {380#(= |__VERIFIER_assert_#in~cond| 1)} [106] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {384#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 01:57:25,556 INFO L290 TraceCheckUtils]: 41: Hoare triple {384#(<= 1 __VERIFIER_assert_~cond)} [110] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {258#false} is VALID [2022-04-08 01:57:25,556 INFO L290 TraceCheckUtils]: 42: Hoare triple {258#false} [114] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {258#false} is VALID [2022-04-08 01:57:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-08 01:57:25,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 01:57:25,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 01:57:25,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242732177] [2022-04-08 01:57:25,557 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 01:57:25,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068600041] [2022-04-08 01:57:25,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068600041] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 01:57:25,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 01:57:25,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 01:57:25,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788058616] [2022-04-08 01:57:25,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 01:57:25,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-08 01:57:25,562 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 01:57:25,563 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-08 01:57:25,583 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 01:57:25,583 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 01:57:25,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 01:57:25,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 01:57:25,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 01:57:25,584 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-08 01:57:25,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 01:57:25,797 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2022-04-08 01:57:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 01:57:25,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-08 01:57:25,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 01:57:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-08 01:57:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-04-08 01:57:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-08 01:57:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-04-08 01:57:25,838 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 49 transitions. [2022-04-08 01:57:25,886 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 01:57:25,889 INFO L225 Difference]: With dead ends: 40 [2022-04-08 01:57:25,889 INFO L226 Difference]: Without dead ends: 37 [2022-04-08 01:57:25,889 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-08 01:57:25,891 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 7 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 01:57:25,891 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 105 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 01:57:25,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-04-08 01:57:25,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-04-08 01:57:25,899 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 01:57:25,899 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 01:57:25,900 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 01:57:25,900 INFO L87 Difference]: Start difference. First operand 37 states. Second operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 01:57:25,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 01:57:25,904 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-04-08 01:57:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-04-08 01:57:25,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 01:57:25,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 01:57:25,910 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 37 states. [2022-04-08 01:57:25,910 INFO L87 Difference]: Start difference. First operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 37 states. [2022-04-08 01:57:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 01:57:25,916 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-04-08 01:57:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-04-08 01:57:25,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 01:57:25,917 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 01:57:25,917 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 01:57:25,917 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 01:57:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 01:57:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2022-04-08 01:57:25,921 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 43 [2022-04-08 01:57:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 01:57:25,921 INFO L478 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2022-04-08 01:57:25,921 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-08 01:57:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-04-08 01:57:25,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-08 01:57:25,922 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 01:57:25,922 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 01:57:25,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 01:57:26,140 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 01:57:26,140 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 01:57:26,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 01:57:26,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1282076869, now seen corresponding path program 1 times [2022-04-08 01:57:26,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 01:57:26,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091477295] [2022-04-08 01:57:26,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 01:57:26,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 01:57:26,168 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 01:57:26,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871478831] [2022-04-08 01:57:26,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 01:57:26,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 01:57:26,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 01:57:26,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 01:57:26,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process