/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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:27:46,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:27:46,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:27:46,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:27:46,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:27:46,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:27:46,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:27:46,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:27:46,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:27:46,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:27:46,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:27:46,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:27:46,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:27:46,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:27:46,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:27:46,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:27:46,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:27:46,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:27:46,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:27:46,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:27:46,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:27:46,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:27:46,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:27:46,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:27:46,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 15:27:47,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:27:47,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:27:47,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:27:47,003 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 15:27:47,012 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:27:47,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:27:47,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:27:47,014 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:27:47,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:27:47,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:27:47,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:27:47,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:27:47,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:27:47,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:27:47,016 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:27:47,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:27:47,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:27:47,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:27:47,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:27:47,017 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:27:47,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:27:47,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:27:47,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:27:47,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:27:47,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:27:47,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:27:47,018 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 15:27:47,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:27:47,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:27:47,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:27:47,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:27:47,368 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:27:47,369 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-07-07 15:27:47,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8351f35/73964951633943529f165cbcc0ca1d36/FLAGc1d60a484 [2020-07-07 15:27:48,000 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:27:48,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-07-07 15:27:48,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8351f35/73964951633943529f165cbcc0ca1d36/FLAGc1d60a484 [2020-07-07 15:27:48,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8351f35/73964951633943529f165cbcc0ca1d36 [2020-07-07 15:27:48,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:27:48,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:27:48,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:48,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:27:48,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:27:48,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:48" (1/1) ... [2020-07-07 15:27:48,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a8daf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:48, skipping insertion in model container [2020-07-07 15:27:48,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:48" (1/1) ... [2020-07-07 15:27:48,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:27:48,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:27:49,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:49,066 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:27:49,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:49,565 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:27:49,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49 WrapperNode [2020-07-07 15:27:49,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:49,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:27:49,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:27:49,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:27:49,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (1/1) ... [2020-07-07 15:27:49,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (1/1) ... [2020-07-07 15:27:49,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (1/1) ... [2020-07-07 15:27:49,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (1/1) ... [2020-07-07 15:27:49,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (1/1) ... [2020-07-07 15:27:49,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (1/1) ... [2020-07-07 15:27:49,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (1/1) ... [2020-07-07 15:27:49,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:27:49,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:27:49,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:27:49,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:27:49,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (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 15:27:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:27:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:27:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-07 15:27:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:27:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:27:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-07 15:27:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-07-07 15:27:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-07 15:27:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-07-07 15:27:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-07 15:27:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-07 15:27:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-07-07 15:27:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-07-07 15:27:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-07-07 15:27:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-07-07 15:27:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-07-07 15:27:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-07 15:27:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-07 15:27:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:27:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:27:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:27:51,795 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:27:51,796 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:27:51,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:51 BoogieIcfgContainer [2020-07-07 15:27:51,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:27:51,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:27:51,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:27:51,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:27:51,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:27:48" (1/3) ... [2020-07-07 15:27:51,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db31bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:51, skipping insertion in model container [2020-07-07 15:27:51,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:49" (2/3) ... [2020-07-07 15:27:51,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db31bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:51, skipping insertion in model container [2020-07-07 15:27:51,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:51" (3/3) ... [2020-07-07 15:27:51,828 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-07-07 15:27:51,840 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:27:51,863 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-07-07 15:27:51,879 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-07-07 15:27:51,905 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:27:51,905 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:27:51,905 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:27:51,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:27:51,905 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:27:51,905 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:27:51,906 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:27:51,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:27:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states. [2020-07-07 15:27:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2020-07-07 15:27:51,998 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:27:52,000 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] [2020-07-07 15:27:52,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:27:52,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:27:52,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1303335379, now seen corresponding path program 1 times [2020-07-07 15:27:52,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:27:52,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97809412] [2020-07-07 15:27:52,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:27:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:27:52,173 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:27:52,174 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 15:27:52,182 INFO L168 Benchmark]: Toolchain (without parser) took 3891.04 ms. Allocated memory was 134.2 MB in the beginning and 259.5 MB in the end (delta: 125.3 MB). Free memory was 97.3 MB in the beginning and 166.1 MB in the end (delta: -68.8 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:52,185 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:27:52,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1275.70 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 97.1 MB in the beginning and 155.4 MB in the end (delta: -58.3 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:52,189 INFO L168 Benchmark]: Boogie Preprocessor took 164.74 ms. Allocated memory is still 199.8 MB. Free memory was 155.4 MB in the beginning and 150.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:52,190 INFO L168 Benchmark]: RCFGBuilder took 2082.60 ms. Allocated memory was 199.8 MB in the beginning and 259.5 MB in the end (delta: 59.8 MB). Free memory was 150.7 MB in the beginning and 207.7 MB in the end (delta: -57.0 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:52,191 INFO L168 Benchmark]: TraceAbstraction took 361.63 ms. Allocated memory is still 259.5 MB. Free memory was 207.7 MB in the beginning and 166.1 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:52,195 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1275.70 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 97.1 MB in the beginning and 155.4 MB in the end (delta: -58.3 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.74 ms. Allocated memory is still 199.8 MB. Free memory was 155.4 MB in the beginning and 150.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2082.60 ms. Allocated memory was 199.8 MB in the beginning and 259.5 MB in the end (delta: 59.8 MB). Free memory was 150.7 MB in the beginning and 207.7 MB in the end (delta: -57.0 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 361.63 ms. Allocated memory is still 259.5 MB. Free memory was 207.7 MB in the beginning and 166.1 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. 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...