/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/iftelse.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 07:28:42,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 07:28:42,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 07:28:42,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 07:28:42,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 07:28:42,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 07:28:42,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 07:28:42,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 07:28:42,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 07:28:42,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 07:28:42,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 07:28:42,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 07:28:42,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 07:28:42,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 07:28:42,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 07:28:42,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 07:28:42,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 07:28:42,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 07:28:42,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 07:28:42,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 07:28:42,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 07:28:42,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 07:28:42,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 07:28:42,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 07:28:42,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-16 07:28:42,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 07:28:42,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 07:28:42,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 07:28:42,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 07:28:42,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 07:28:42,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 07:28:42,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 07:28:42,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 07:28:42,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 07:28:42,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 07:28:42,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 07:28:42,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 07:28:42,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 07:28:42,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 07:28:42,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 07:28:42,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 07:28:42,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 07:28:42,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 07:28:42,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 07:28:42,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 07:28:42,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 07:28:42,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 07:28:42,591 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 07:28:42,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 07:28:42,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 07:28:42,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 07:28:42,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 07:28:42,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 07:28:42,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 07:28:42,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 07:28:42,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:28:42,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 07:28:42,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 07:28:42,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 07:28:42,593 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 07:28:42,593 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 07:28:42,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 07:28:42,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 07:28:42,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 07:28:42,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 07:28:42,875 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 07:28:42,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/iftelse.c [2021-04-16 07:28:42,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4a0cadc/a8bb701cc9414060b9a889b47568ab90/FLAGb9df9bc86 [2021-04-16 07:28:43,274 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 07:28:43,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/iftelse.c [2021-04-16 07:28:43,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4a0cadc/a8bb701cc9414060b9a889b47568ab90/FLAGb9df9bc86 [2021-04-16 07:28:43,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4a0cadc/a8bb701cc9414060b9a889b47568ab90 [2021-04-16 07:28:43,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 07:28:43,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 07:28:43,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 07:28:43,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 07:28:43,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 07:28:43,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f7281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43, skipping insertion in model container [2021-04-16 07:28:43,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 07:28:43,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 07:28:43,400 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/iftelse.c[406,419] [2021-04-16 07:28:43,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:28:43,413 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 07:28:43,454 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/iftelse.c[406,419] [2021-04-16 07:28:43,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:28:43,466 INFO L208 MainTranslator]: Completed translation [2021-04-16 07:28:43,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43 WrapperNode [2021-04-16 07:28:43,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 07:28:43,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 07:28:43,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 07:28:43,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 07:28:43,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... [2021-04-16 07:28:43,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 07:28:43,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 07:28:43,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 07:28:43,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 07:28:43,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:28:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 07:28:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 07:28:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 07:28:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-04-16 07:28:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 07:28:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 07:28:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 07:28:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 07:28:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 07:28:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 07:28:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-04-16 07:28:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 07:28:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-04-16 07:28:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 07:28:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 07:28:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 07:28:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 07:28:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 07:28:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 07:28:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 07:28:43,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 07:28:43,748 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-04-16 07:28:43,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:28:43 BoogieIcfgContainer [2021-04-16 07:28:43,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 07:28:43,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 07:28:43,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 07:28:43,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 07:28:43,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 07:28:43" (1/3) ... [2021-04-16 07:28:43,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e712d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:28:43, skipping insertion in model container [2021-04-16 07:28:43,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:28:43" (2/3) ... [2021-04-16 07:28:43,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e712d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:28:43, skipping insertion in model container [2021-04-16 07:28:43,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:28:43" (3/3) ... [2021-04-16 07:28:43,756 INFO L111 eAbstractionObserver]: Analyzing ICFG iftelse.c [2021-04-16 07:28:43,761 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 07:28:43,764 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 07:28:43,777 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 07:28:43,801 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 07:28:43,801 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 07:28:43,801 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 07:28:43,801 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 07:28:43,801 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 07:28:43,801 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 07:28:43,801 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 07:28:43,801 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 07:28:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 07:28:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-04-16 07:28:43,820 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:28:43,820 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:28:43,821 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:28:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:28:43,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1034116429, now seen corresponding path program 1 times [2021-04-16 07:28:43,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:28:43,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355586405] [2021-04-16 07:28:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:28:43,882 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:28:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:28:44,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:28:44,098 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-16 07:28:44,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:28:44,134 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.9 percent of original size [2021-04-16 07:28:44,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-16 07:28:44,173 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.3 percent of original size [2021-04-16 07:28:44,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-04-16 07:28:44,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:28:44,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:28:44,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:28:44,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:28:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:28:44,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:28:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:28:44,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355586405] [2021-04-16 07:28:44,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:28:44,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-16 07:28:44,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172051696] [2021-04-16 07:28:44,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-16 07:28:44,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:28:44,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-16 07:28:44,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-04-16 07:28:44,351 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:28:44,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:28:44,767 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2021-04-16 07:28:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-16 07:28:44,768 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-04-16 07:28:44,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:28:44,773 INFO L225 Difference]: With dead ends: 52 [2021-04-16 07:28:44,773 INFO L226 Difference]: Without dead ends: 26 [2021-04-16 07:28:44,775 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 369.6ms TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-04-16 07:28:44,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-04-16 07:28:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-04-16 07:28:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 07:28:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-04-16 07:28:44,803 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 14 [2021-04-16 07:28:44,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:28:44,803 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-04-16 07:28:44,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:28:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-04-16 07:28:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-04-16 07:28:44,804 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:28:44,804 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:28:44,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 07:28:44,805 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:28:44,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:28:44,805 INFO L82 PathProgramCache]: Analyzing trace with hash -244126219, now seen corresponding path program 1 times [2021-04-16 07:28:44,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:28:44,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216391361] [2021-04-16 07:28:44,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:28:44,818 INFO L175 rdanLoopAcceleration]: Guard: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2021-04-16 07:28:44,823 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,834 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,836 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,843 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,844 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-16 07:28:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-16 07:28:44,852 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-04-16 07:28:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:28:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:28:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:28:44,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:44,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:28:44,967 INFO L142 QuantifierPusher]: treesize reduction 60, result has 14.3 percent of original size [2021-04-16 07:28:44,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-16 07:28:44,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-04-16 07:28:44,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-04-16 07:28:45,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:28:45,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:28:45,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:28:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:28:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:28:45,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:28:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:28:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:28:45,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,143 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-04-16 07:28:45,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,172 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-16 07:28:45,190 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-16 07:28:45,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 07:28:45,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:28:45,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216391361] [2021-04-16 07:28:45,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:28:45,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-16 07:28:45,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146867401] [2021-04-16 07:28:45,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-16 07:28:45,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:28:45,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-16 07:28:45,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-04-16 07:28:45,196 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 8 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:28:45,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:28:45,442 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2021-04-16 07:28:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-16 07:28:45,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 8 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-04-16 07:28:45,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:28:45,444 INFO L225 Difference]: With dead ends: 36 [2021-04-16 07:28:45,444 INFO L226 Difference]: Without dead ends: 26 [2021-04-16 07:28:45,445 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 284.5ms TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-04-16 07:28:45,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-04-16 07:28:45,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-04-16 07:28:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 07:28:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2021-04-16 07:28:45,451 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 17 [2021-04-16 07:28:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:28:45,451 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2021-04-16 07:28:45,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 8 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:28:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-04-16 07:28:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-04-16 07:28:45,452 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:28:45,452 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:28:45,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 07:28:45,452 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:28:45,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:28:45,453 INFO L82 PathProgramCache]: Analyzing trace with hash 722095884, now seen corresponding path program 1 times [2021-04-16 07:28:45,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:28:45,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852345009] [2021-04-16 07:28:45,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:28:45,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-16 07:28:45,468 INFO L175 rdanLoopAcceleration]: Guard: Formula: (let ((.cse0 (mod v_main_~n~0_11 4294967296))) (and (<= (mod (div (mod (+ v_main_~i~0_19 3) 4294967296) 2) 4294967296) (mod (+ v_main_~j~0_16 3) 4294967296)) (< 0 .cse0) (not (= (mod (+ v_main_~i~0_19 1) 2) 0)) (< (mod v_main_~i~0_19 4294967296) .cse0))) InVars {main_~i~0=v_main_~i~0_19, main_~n~0=v_main_~n~0_11, main_~j~0=v_main_~j~0_16} OutVars{main_~i~0=v_main_~i~0_19, main_~n~0=v_main_~n~0_11, main_~j~0=v_main_~j~0_16} AuxVars[] AssignedVars[] [2021-04-16 07:28:45,474 WARN L240 tifierPushTermWalker]: treesize reduction 34, result has 85.0 percent of original size [2021-04-16 07:28:45,480 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,483 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,487 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,492 INFO L108 tifierPushTermWalker]: treesize reduction 4, result has 20.0 percent of original size [2021-04-16 07:28:45,497 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,501 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,506 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,509 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,516 INFO L725 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2021-04-16 07:28:45,520 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,522 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,550 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,556 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,630 INFO L108 tifierPushTermWalker]: treesize reduction 11, result has 8.3 percent of original size [2021-04-16 07:28:45,631 INFO L108 tifierPushTermWalker]: treesize reduction 25, result has 3.8 percent of original size [2021-04-16 07:28:45,633 INFO L108 tifierPushTermWalker]: treesize reduction 11, result has 8.3 percent of original size [2021-04-16 07:28:45,634 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-16 07:28:45,634 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 07:28:45,635 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,636 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,636 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-16 07:28:45,640 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,648 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,650 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,662 INFO L108 tifierPushTermWalker]: treesize reduction 11, result has 8.3 percent of original size [2021-04-16 07:28:45,663 INFO L108 tifierPushTermWalker]: treesize reduction 13, result has 7.1 percent of original size [2021-04-16 07:28:45,664 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-16 07:28:45,664 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-16 07:28:45,665 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,666 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,667 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 07:28:45,669 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,681 INFO L108 tifierPushTermWalker]: treesize reduction 15, result has 6.3 percent of original size [2021-04-16 07:28:45,682 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-16 07:28:45,690 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:28:45,691 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-16 07:28:45,691 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.logic.ApplicationTerm cannot be cast to class de.uni_freiburg.informatik.ultimate.logic.QuantifiedFormula (de.uni_freiburg.informatik.ultimate.logic.ApplicationTerm and de.uni_freiburg.informatik.ultimate.logic.QuantifiedFormula are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @3e587920) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:306) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:168) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:155) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:71) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:58) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:241) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:232) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula(JordanLoopAcceleration.java:530) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.createLoopAccelerationFormula(JordanLoopAcceleration.java:498) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.accelerateLoop(JordanLoopAcceleration.java:177) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorJordan.accelerateLoop(AcceleratorJordan.java:72) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-04-16 07:28:45,694 INFO L168 Benchmark]: Toolchain (without parser) took 2399.18 ms. Allocated memory was 229.6 MB in the beginning and 288.4 MB in the end (delta: 58.7 MB). Free memory was 195.4 MB in the beginning and 180.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 74.3 MB. Max. memory is 8.0 GB. [2021-04-16 07:28:45,695 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 229.6 MB. Free memory is still 212.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 07:28:45,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.47 ms. Allocated memory is still 229.6 MB. Free memory was 195.2 MB in the beginning and 212.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-04-16 07:28:45,695 INFO L168 Benchmark]: Boogie Preprocessor took 35.25 ms. Allocated memory is still 229.6 MB. Free memory was 212.7 MB in the beginning and 211.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-04-16 07:28:45,696 INFO L168 Benchmark]: RCFGBuilder took 245.89 ms. Allocated memory is still 229.6 MB. Free memory was 211.2 MB in the beginning and 197.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-04-16 07:28:45,696 INFO L168 Benchmark]: TraceAbstraction took 1943.18 ms. Allocated memory was 229.6 MB in the beginning and 288.4 MB in the end (delta: 58.7 MB). Free memory was 196.5 MB in the beginning and 180.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. [2021-04-16 07:28:45,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 229.6 MB. Free memory is still 212.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 167.47 ms. Allocated memory is still 229.6 MB. Free memory was 195.2 MB in the beginning and 212.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.25 ms. Allocated memory is still 229.6 MB. Free memory was 212.7 MB in the beginning and 211.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 245.89 ms. Allocated memory is still 229.6 MB. Free memory was 211.2 MB in the beginning and 197.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1943.18 ms. Allocated memory was 229.6 MB in the beginning and 288.4 MB in the end (delta: 58.7 MB). Free memory was 196.5 MB in the beginning and 180.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.logic.ApplicationTerm cannot be cast to class de.uni_freiburg.informatik.ultimate.logic.QuantifiedFormula (de.uni_freiburg.informatik.ultimate.logic.ApplicationTerm and de.uni_freiburg.informatik.ultimate.logic.QuantifiedFormula are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @3e587920) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ClassCastException: class de.uni_freiburg.informatik.ultimate.logic.ApplicationTerm cannot be cast to class de.uni_freiburg.informatik.ultimate.logic.QuantifiedFormula (de.uni_freiburg.informatik.ultimate.logic.ApplicationTerm and de.uni_freiburg.informatik.ultimate.logic.QuantifiedFormula are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @3e587920): de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:306) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...