/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:27:54,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:27:54,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:27:54,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:27:54,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:27:54,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:27:54,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:27:54,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:27:54,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:27:54,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:27:54,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:27:54,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:27:54,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:27:54,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:27:54,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:27:54,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:27:54,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:27:54,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:27:54,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:27:54,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:27:54,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:27:54,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:27:54,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:27:54,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:27:54,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:27:54,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:27:54,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:27:54,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:27:54,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:27:54,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:27:54,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:27:54,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:27:54,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:27:54,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:27:54,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:27:54,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:27:54,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:27:54,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:27:54,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:27:54,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:27:54,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:27:54,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:27:54,528 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:27:54,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:27:54,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:27:54,530 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:27:54,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:27:54,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:27:54,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:27:54,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:27:54,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:27:54,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:27:54,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:27:54,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:27:54,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:27:54,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:27:54,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:27:54,532 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:27:54,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:27:54,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:27:54,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:27:54,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:27:54,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:27:54,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:27:54,534 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 [2020-07-07 15:27:54,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:27:54,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:27:54,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:27:54,826 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:27:54,827 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:27:54,828 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2020-07-07 15:27:54,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57098a027/1a7d7c8d0b7c400b982749176d38a6e5/FLAG9f009e8ea [2020-07-07 15:27:55,557 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:27:55,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2020-07-07 15:27:55,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57098a027/1a7d7c8d0b7c400b982749176d38a6e5/FLAG9f009e8ea [2020-07-07 15:27:55,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57098a027/1a7d7c8d0b7c400b982749176d38a6e5 [2020-07-07 15:27:55,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:27:55,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:27:55,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:55,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:27:55,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:27:55,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:55" (1/1) ... [2020-07-07 15:27:55,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0f465b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:55, skipping insertion in model container [2020-07-07 15:27:55,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:55" (1/1) ... [2020-07-07 15:27:55,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:27:55,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:27:57,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:57,508 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:27:58,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:58,706 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:27:58,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58 WrapperNode [2020-07-07 15:27:58,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:58,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:27:58,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:27:58,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:27:58,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (1/1) ... [2020-07-07 15:27:58,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (1/1) ... [2020-07-07 15:27:58,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (1/1) ... [2020-07-07 15:27:58,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (1/1) ... [2020-07-07 15:27:58,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (1/1) ... [2020-07-07 15:27:58,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (1/1) ... [2020-07-07 15:27:58,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (1/1) ... [2020-07-07 15:27:58,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:27:58,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:27:58,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:27:58,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:27:58,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (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 [2020-07-07 15:27:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:27:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:27:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-07 15:27:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:27:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:27:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-07 15:27:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-07 15:27:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-07-07 15:27:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-07 15:27:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-07 15:27:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-07-07 15:27:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-07-07 15:27:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-07-07 15:27:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-07-07 15:27:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-07-07 15:27:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-07-07 15:27:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-07-07 15:27:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-07 15:27:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-07 15:27:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:27:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:27:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:28:04,345 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:28:04,345 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:28:04,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:28:04 BoogieIcfgContainer [2020-07-07 15:28:04,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:28:04,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:28:04,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:28:04,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:28:04,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:27:55" (1/3) ... [2020-07-07 15:28:04,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dc3a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:28:04, skipping insertion in model container [2020-07-07 15:28:04,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:58" (2/3) ... [2020-07-07 15:28:04,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dc3a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:28:04, skipping insertion in model container [2020-07-07 15:28:04,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:28:04" (3/3) ... [2020-07-07 15:28:04,381 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2020-07-07 15:28:04,394 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:28:04,411 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:28:04,428 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:28:04,456 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:28:04,456 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:28:04,457 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:28:04,457 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:28:04,457 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:28:04,457 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:28:04,457 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:28:04,457 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:28:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states. [2020-07-07 15:28:04,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1429 [2020-07-07 15:28:04,683 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:28:04,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:28:04,687 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:28:04,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:28:04,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1246774295, now seen corresponding path program 1 times [2020-07-07 15:28:04,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:28:04,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315733126] [2020-07-07 15:28:04,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:28:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:28:05,108 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:28:05,109 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) 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) [2020-07-07 15:28:05,116 INFO L168 Benchmark]: Toolchain (without parser) took 9361.91 ms. Allocated memory was 136.3 MB in the beginning and 412.1 MB in the end (delta: 275.8 MB). Free memory was 94.0 MB in the beginning and 248.4 MB in the end (delta: -154.4 MB). Peak memory consumption was 121.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:28:05,117 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 136.3 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:28:05,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2951.40 ms. Allocated memory was 136.3 MB in the beginning and 227.0 MB in the end (delta: 90.7 MB). Free memory was 93.8 MB in the beginning and 145.7 MB in the end (delta: -51.9 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:28:05,119 INFO L168 Benchmark]: Boogie Preprocessor took 218.69 ms. Allocated memory is still 227.0 MB. Free memory was 145.7 MB in the beginning and 131.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:28:05,120 INFO L168 Benchmark]: RCFGBuilder took 5440.85 ms. Allocated memory was 227.0 MB in the beginning and 349.2 MB in the end (delta: 122.2 MB). Free memory was 131.9 MB in the beginning and 91.6 MB in the end (delta: 40.2 MB). Peak memory consumption was 188.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:28:05,121 INFO L168 Benchmark]: TraceAbstraction took 741.51 ms. Allocated memory was 349.2 MB in the beginning and 412.1 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 248.4 MB in the end (delta: -156.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 15:28:05,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 136.3 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2951.40 ms. Allocated memory was 136.3 MB in the beginning and 227.0 MB in the end (delta: 90.7 MB). Free memory was 93.8 MB in the beginning and 145.7 MB in the end (delta: -51.9 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.69 ms. Allocated memory is still 227.0 MB. Free memory was 145.7 MB in the beginning and 131.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5440.85 ms. Allocated memory was 227.0 MB in the beginning and 349.2 MB in the end (delta: 122.2 MB). Free memory was 131.9 MB in the beginning and 91.6 MB in the end (delta: 40.2 MB). Peak memory consumption was 188.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 741.51 ms. Allocated memory was 349.2 MB in the beginning and 412.1 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 248.4 MB in the end (delta: -156.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...