/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 18:09:31,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 18:09:31,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 18:09:31,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 18:09:31,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 18:09:31,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 18:09:31,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 18:09:31,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 18:09:31,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 18:09:31,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 18:09:31,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 18:09:31,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 18:09:31,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 18:09:31,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 18:09:31,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 18:09:31,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 18:09:31,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 18:09:31,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 18:09:31,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 18:09:31,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 18:09:31,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 18:09:31,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 18:09:31,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 18:09:31,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 18:09:31,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 18:09:31,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 18:09:31,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 18:09:31,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 18:09:31,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 18:09:31,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 18:09:31,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 18:09:31,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 18:09:31,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 18:09:31,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 18:09:31,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 18:09:31,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 18:09:31,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 18:09:31,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 18:09:31,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 18:09:31,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 18:09:31,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 18:09:31,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 18:09:31,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 18:09:31,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 18:09:31,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 18:09:31,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 18:09:31,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 18:09:31,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 18:09:31,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 18:09:31,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 18:09:31,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 18:09:31,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 18:09:31,381 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 18:09:31,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 18:09:31,381 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 18:09:31,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 18:09:31,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 18:09:31,382 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 18:09:31,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 18:09:31,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 18:09:31,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 18:09:31,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 18:09:31,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 18:09:31,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 18:09:31,383 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 18:09:31,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 18:09:31,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 18:09:31,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 18:09:31,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 18:09:31,719 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 18:09:31,720 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-17 18:09:31,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304132ea9/6ee178360a6c4876a733c6372eb6497a/FLAG2346143d6 [2020-07-17 18:09:32,464 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 18:09:32,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-17 18:09:32,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304132ea9/6ee178360a6c4876a733c6372eb6497a/FLAG2346143d6 [2020-07-17 18:09:32,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304132ea9/6ee178360a6c4876a733c6372eb6497a [2020-07-17 18:09:32,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 18:09:32,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 18:09:32,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 18:09:32,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 18:09:32,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 18:09:32,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 06:09:32" (1/1) ... [2020-07-17 18:09:32,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275bc5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:32, skipping insertion in model container [2020-07-17 18:09:32,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 06:09:32" (1/1) ... [2020-07-17 18:09:32,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 18:09:32,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 18:09:33,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 18:09:33,204 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 18:09:33,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 18:09:33,324 INFO L208 MainTranslator]: Completed translation [2020-07-17 18:09:33,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33 WrapperNode [2020-07-17 18:09:33,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 18:09:33,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 18:09:33,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 18:09:33,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 18:09:33,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (1/1) ... [2020-07-17 18:09:33,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (1/1) ... [2020-07-17 18:09:33,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (1/1) ... [2020-07-17 18:09:33,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (1/1) ... [2020-07-17 18:09:33,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (1/1) ... [2020-07-17 18:09:33,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (1/1) ... [2020-07-17 18:09:33,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (1/1) ... [2020-07-17 18:09:33,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 18:09:33,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 18:09:33,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 18:09:33,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 18:09:33,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (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 [2020-07-17 18:09:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 18:09:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 18:09:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 18:09:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 18:09:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-17 18:09:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-17 18:09:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 18:09:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 18:09:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 18:09:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 18:09:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 18:09:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 18:09:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 18:09:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 18:09:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 18:09:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 18:09:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 18:09:34,710 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 18:09:34,711 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 18:09:34,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 06:09:34 BoogieIcfgContainer [2020-07-17 18:09:34,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 18:09:34,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 18:09:34,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 18:09:34,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 18:09:34,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 06:09:32" (1/3) ... [2020-07-17 18:09:34,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b753fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 06:09:34, skipping insertion in model container [2020-07-17 18:09:34,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 06:09:33" (2/3) ... [2020-07-17 18:09:34,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b753fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 06:09:34, skipping insertion in model container [2020-07-17 18:09:34,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 06:09:34" (3/3) ... [2020-07-17 18:09:34,731 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2020-07-17 18:09:34,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 18:09:34,764 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 18:09:34,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 18:09:34,810 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 18:09:34,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 18:09:34,810 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 18:09:34,811 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 18:09:34,811 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 18:09:34,811 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 18:09:34,811 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 18:09:34,812 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 18:09:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-07-17 18:09:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-07-17 18:09:34,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 18:09:34,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 18:09:34,870 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 18:09:34,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 18:09:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1683722235, now seen corresponding path program 1 times [2020-07-17 18:09:34,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 18:09:34,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348804323] [2020-07-17 18:09:34,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 18:09:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 18:09:35,473 ERROR L253 erpolLogProxyWrapper]: Interpolant 287 not inductive [2020-07-17 18:09:35,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 18:09:35,476 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-17 18:09:35,487 INFO L168 Benchmark]: Toolchain (without parser) took 2753.67 ms. Allocated memory was 134.7 MB in the beginning and 226.5 MB in the end (delta: 91.8 MB). Free memory was 98.8 MB in the beginning and 169.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-17 18:09:35,488 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 18:09:35,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.42 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 98.4 MB in the beginning and 173.6 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-17 18:09:35,491 INFO L168 Benchmark]: Boogie Preprocessor took 85.92 ms. Allocated memory is still 200.8 MB. Free memory was 173.6 MB in the beginning and 170.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-17 18:09:35,492 INFO L168 Benchmark]: RCFGBuilder took 1307.74 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 98.9 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2020-07-17 18:09:35,493 INFO L168 Benchmark]: TraceAbstraction took 761.47 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 98.2 MB in the beginning and 169.9 MB in the end (delta: -71.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 18:09:35,498 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 588.42 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 98.4 MB in the beginning and 173.6 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.92 ms. Allocated memory is still 200.8 MB. Free memory was 173.6 MB in the beginning and 170.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1307.74 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 98.9 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 761.47 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 98.2 MB in the beginning and 169.9 MB in the end (delta: -71.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...