/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 20:31:25,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 20:31:25,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 20:31:25,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 20:31:25,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 20:31:25,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 20:31:25,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 20:31:25,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 20:31:25,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 20:31:25,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 20:31:25,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 20:31:25,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 20:31:25,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 20:31:25,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 20:31:25,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 20:31:25,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 20:31:25,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 20:31:25,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 20:31:25,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 20:31:25,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 20:31:25,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 20:31:25,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 20:31:25,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 20:31:25,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 20:31:25,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 20:31:25,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 20:31:25,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 20:31:25,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 20:31:25,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 20:31:25,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 20:31:25,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 20:31:25,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 20:31:25,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 20:31:25,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 20:31:25,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 20:31:25,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 20:31:25,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 20:31:25,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 20:31:25,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 20:31:25,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 20:31:25,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 20:31:25,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-wrwc.epf [2022-02-19 20:31:25,153 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 20:31:25,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 20:31:25,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 20:31:25,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 20:31:25,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 20:31:25,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 20:31:25,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 20:31:25,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 20:31:25,155 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 20:31:25,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 20:31:25,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 20:31:25,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 20:31:25,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 20:31:25,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 20:31:25,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 20:31:25,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 20:31:25,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 20:31:25,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 20:31:25,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 20:31:25,159 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 20:31:25,160 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 20:31:25,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 20:31:25,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 20:31:25,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 20:31:25,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 20:31:25,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 20:31:25,369 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 20:31:25,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c [2022-02-19 20:31:25,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccc7a58f/28c98cb0c46241de961f993103728bf5/FLAG87aeb18c9 [2022-02-19 20:31:25,778 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 20:31:25,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c [2022-02-19 20:31:25,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccc7a58f/28c98cb0c46241de961f993103728bf5/FLAG87aeb18c9 [2022-02-19 20:31:25,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccc7a58f/28c98cb0c46241de961f993103728bf5 [2022-02-19 20:31:25,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 20:31:25,796 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 20:31:25,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 20:31:25,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 20:31:25,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 20:31:25,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:31:25" (1/1) ... [2022-02-19 20:31:25,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3871bb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:25, skipping insertion in model container [2022-02-19 20:31:25,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:31:25" (1/1) ... [2022-02-19 20:31:25,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 20:31:25,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 20:31:25,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c[2553,2566] [2022-02-19 20:31:25,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 20:31:25,976 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 20:31:25,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c[2553,2566] [2022-02-19 20:31:25,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 20:31:26,001 INFO L208 MainTranslator]: Completed translation [2022-02-19 20:31:26,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26 WrapperNode [2022-02-19 20:31:26,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 20:31:26,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 20:31:26,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 20:31:26,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 20:31:26,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,033 INFO L137 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 101 [2022-02-19 20:31:26,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 20:31:26,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 20:31:26,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 20:31:26,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 20:31:26,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 20:31:26,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 20:31:26,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 20:31:26,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 20:31:26,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (1/1) ... [2022-02-19 20:31:26,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 20:31:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:31:26,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 20:31:26,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 20:31:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 20:31:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 20:31:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 20:31:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 20:31:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-19 20:31:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 20:31:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 20:31:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 20:31:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 20:31:26,120 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 20:31:26,177 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 20:31:26,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 20:31:26,386 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 20:31:26,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 20:31:26,461 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-19 20:31:26,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:31:26 BoogieIcfgContainer [2022-02-19 20:31:26,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 20:31:26,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 20:31:26,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 20:31:26,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 20:31:26,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 08:31:25" (1/3) ... [2022-02-19 20:31:26,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a39dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:31:26, skipping insertion in model container [2022-02-19 20:31:26,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:31:26" (2/3) ... [2022-02-19 20:31:26,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a39dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:31:26, skipping insertion in model container [2022-02-19 20:31:26,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:31:26" (3/3) ... [2022-02-19 20:31:26,486 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array.wvr.c [2022-02-19 20:31:26,490 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 20:31:26,490 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 20:31:26,490 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 20:31:26,490 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 20:31:26,543 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,544 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,544 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,544 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,544 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,545 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,545 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,546 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,547 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,548 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,548 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,548 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,548 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,548 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,548 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,548 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,549 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,549 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,549 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,550 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,550 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,550 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,551 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,552 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,552 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,552 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,553 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,553 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,553 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,553 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,553 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,553 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,554 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,555 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,556 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,556 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,556 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,557 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,559 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,559 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,559 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,560 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,561 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,561 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,561 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,561 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,561 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,561 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,562 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:31:26,565 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 20:31:26,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 20:31:26,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:31:26,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 20:31:26,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 20:31:26,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 20:31:26,630 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 20:31:26,630 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 20:31:26,727 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 168 transitions and produced 169 states. [2022-02-19 20:31:26,729 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:31:26,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:31:26,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1784919804, now seen corresponding path program 1 times [2022-02-19 20:31:26,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:31:26,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270135826] [2022-02-19 20:31:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:26,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:31:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:26,892 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:31:26,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270135826] [2022-02-19 20:31:26,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270135826] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:31:26,893 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:31:26,893 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 20:31:26,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857511061] [2022-02-19 20:31:26,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:31:26,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 20:31:26,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:31:26,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 20:31:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 20:31:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:26,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:31:26,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.5) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:31:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:27,018 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 168 transitions and produced 169 states. [2022-02-19 20:31:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:27,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 20:31:27,020 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:31:27,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:31:27,023 INFO L85 PathProgramCache]: Analyzing trace with hash -254548182, now seen corresponding path program 1 times [2022-02-19 20:31:27,023 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:31:27,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233879593] [2022-02-19 20:31:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:27,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:31:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:27,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:31:27,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233879593] [2022-02-19 20:31:27,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233879593] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:31:27,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:31:27,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 20:31:27,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203885785] [2022-02-19 20:31:27,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:31:27,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 20:31:27,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:31:27,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 20:31:27,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-02-19 20:31:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:27,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:31:27,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:31:27,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:27,503 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 189 transitions and produced 190 states. [2022-02-19 20:31:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:27,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 20:31:27,504 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:31:27,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:31:27,505 INFO L85 PathProgramCache]: Analyzing trace with hash 621554816, now seen corresponding path program 1 times [2022-02-19 20:31:27,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:31:27,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770408653] [2022-02-19 20:31:27,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:27,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:31:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:27,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:31:27,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770408653] [2022-02-19 20:31:27,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770408653] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:31:27,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780916470] [2022-02-19 20:31:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:27,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:31:27,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:31:27,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 20:31:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:27,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 20:31:27,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:31:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:28,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:31:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:28,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780916470] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-19 20:31:28,408 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-19 20:31:28,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-19 20:31:28,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365473637] [2022-02-19 20:31:28,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:31:28,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 20:31:28,410 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:31:28,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 20:31:28,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-19 20:31:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:28,411 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:31:28,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:31:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:28,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:28,557 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 206 transitions and produced 207 states. [2022-02-19 20:31:28,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:28,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:28,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:28,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 20:31:28,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 20:31:28,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:31:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:31:28,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2130756329, now seen corresponding path program 1 times [2022-02-19 20:31:28,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:31:28,765 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379315586] [2022-02-19 20:31:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:28,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:31:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:28,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:31:28,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379315586] [2022-02-19 20:31:28,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379315586] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:31:28,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098054829] [2022-02-19 20:31:28,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:28,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:28,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:31:28,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:31:28,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 20:31:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:29,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-19 20:31:29,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:31:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:29,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:31:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:29,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098054829] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-19 20:31:29,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-19 20:31:29,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-02-19 20:31:29,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373822201] [2022-02-19 20:31:29,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:31:29,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-19 20:31:29,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:31:29,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-19 20:31:29,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-02-19 20:31:29,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:29,429 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:31:29,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:31:29,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:29,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:29,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:29,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:29,560 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 218 transitions and produced 219 states. [2022-02-19 20:31:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 20:31:29,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 20:31:29,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:29,772 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:31:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:31:29,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1702414692, now seen corresponding path program 1 times [2022-02-19 20:31:29,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:31:29,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268493240] [2022-02-19 20:31:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:29,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:31:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:30,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:31:30,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268493240] [2022-02-19 20:31:30,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268493240] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:31:30,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662259488] [2022-02-19 20:31:30,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:30,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:30,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:31:30,417 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:31:30,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 20:31:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:30,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-19 20:31:30,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:31:31,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 20:31:31,698 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:31:31,699 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 36 [2022-02-19 20:31:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:31,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:31:32,069 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:31:32,069 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 55 [2022-02-19 20:31:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:31:32,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662259488] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 20:31:32,778 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 20:31:32,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 18] total 56 [2022-02-19 20:31:32,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623299797] [2022-02-19 20:31:32,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 20:31:32,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-19 20:31:32,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:31:32,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-19 20:31:32,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=2691, Unknown=0, NotChecked=0, Total=3080 [2022-02-19 20:31:32,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:32,781 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:31:32,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.482142857142857) internal successors, (307), 56 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:32,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 20:31:32,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:35,383 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 271 transitions and produced 260 states. [2022-02-19 20:31:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 20:31:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-19 20:31:35,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 20:31:35,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:35,600 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:31:35,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:31:35,600 INFO L85 PathProgramCache]: Analyzing trace with hash 830741193, now seen corresponding path program 2 times [2022-02-19 20:31:35,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:31:35,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187673696] [2022-02-19 20:31:35,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:35,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:31:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:35,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:31:35,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187673696] [2022-02-19 20:31:35,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187673696] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:31:35,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441509367] [2022-02-19 20:31:35,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 20:31:35,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:35,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:31:35,817 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:31:35,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 20:31:35,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 20:31:35,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 20:31:35,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-19 20:31:35,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:31:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:36,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:31:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:36,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441509367] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 20:31:36,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 20:31:36,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 30 [2022-02-19 20:31:36,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851327340] [2022-02-19 20:31:36,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 20:31:36,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-19 20:31:36,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:31:36,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-19 20:31:36,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2022-02-19 20:31:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:36,725 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:31:36,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.066666666666666) internal successors, (212), 30 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:31:36,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:36,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:36,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:36,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 20:31:36,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-19 20:31:36,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:38,215 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1313 transitions and produced 640 states. [2022-02-19 20:31:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 20:31:38,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-19 20:31:38,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 20:31:38,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 20:31:38,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:38,417 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:31:38,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:31:38,417 INFO L85 PathProgramCache]: Analyzing trace with hash 637902277, now seen corresponding path program 3 times [2022-02-19 20:31:38,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:31:38,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105016438] [2022-02-19 20:31:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:31:38,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:31:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:31:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:38,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:31:38,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105016438] [2022-02-19 20:31:38,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105016438] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:31:38,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240521840] [2022-02-19 20:31:38,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 20:31:38,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:31:38,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:31:38,512 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:31:38,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 20:31:38,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-19 20:31:38,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 20:31:38,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 20:31:38,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:31:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:38,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:31:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:31:39,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240521840] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 20:31:39,055 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 20:31:39,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2022-02-19 20:31:39,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264187831] [2022-02-19 20:31:39,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 20:31:39,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-19 20:31:39,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:31:39,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-19 20:31:39,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-02-19 20:31:39,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:39,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:31:39,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.84) internal successors, (221), 25 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:31:39,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:31:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:31:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:31:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 20:31:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-19 20:31:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 20:31:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:32:24,911 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78465 transitions and produced 21924 states. [2022-02-19 20:32:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:32:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:32:24,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:32:24,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 20:32:24,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 20:32:24,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 20:32:24,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 20:32:24,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 20:32:25,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:32:25,120 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:32:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:32:25,120 INFO L85 PathProgramCache]: Analyzing trace with hash -713240908, now seen corresponding path program 4 times [2022-02-19 20:32:25,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:32:25,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529076004] [2022-02-19 20:32:25,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:32:25,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:32:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:32:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:32:25,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:32:25,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529076004] [2022-02-19 20:32:25,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529076004] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:32:25,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715037213] [2022-02-19 20:32:25,857 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 20:32:25,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:32:25,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:32:25,859 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:32:25,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 20:32:25,934 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 20:32:25,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 20:32:25,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 46 conjunts are in the unsatisfiable core [2022-02-19 20:32:25,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:32:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 20:32:27,131 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-02-19 20:32:27,468 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:32:27,468 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 42 [2022-02-19 20:32:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:32:27,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:32:28,637 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_221 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_221) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (= .cse0 c_~max1~0) (not (< c_~max2~0 .cse0))))) (or (forall ((v_ArrVal_221 (Array Int Int))) (< c_~max2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_221) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (= c_~max1~0 c_~max2~0))))) is different from false [2022-02-19 20:32:28,660 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:32:28,661 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 111 [2022-02-19 20:32:28,669 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2022-02-19 20:32:28,672 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2022-02-19 20:32:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:32:29,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715037213] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 20:32:29,876 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 20:32:29,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 27] total 67 [2022-02-19 20:32:29,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280387394] [2022-02-19 20:32:29,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 20:32:29,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-02-19 20:32:29,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:32:29,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-02-19 20:32:29,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=3823, Unknown=1, NotChecked=128, Total=4422 [2022-02-19 20:32:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:32:29,880 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:32:29,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 4.507462686567164) internal successors, (302), 67 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:32:29,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:32:29,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:32:29,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:32:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 20:32:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-19 20:32:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 20:32:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 20:32:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:33:15,719 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78874 transitions and produced 22099 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 20:33:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 20:33:15,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 20:33:15,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:33:15,932 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:33:15,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:33:15,932 INFO L85 PathProgramCache]: Analyzing trace with hash -454324490, now seen corresponding path program 1 times [2022-02-19 20:33:15,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:33:15,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684163797] [2022-02-19 20:33:15,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:33:15,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:33:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:33:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:33:16,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:33:16,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684163797] [2022-02-19 20:33:16,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684163797] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:33:16,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513135814] [2022-02-19 20:33:16,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:33:16,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:33:16,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:33:16,130 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:33:16,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 20:33:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:33:16,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-19 20:33:16,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:33:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:33:16,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:33:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 20:33:16,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513135814] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 20:33:16,834 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 20:33:16,834 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2022-02-19 20:33:16,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259235354] [2022-02-19 20:33:16,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 20:33:16,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-19 20:33:16,835 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:33:16,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-19 20:33:16,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2022-02-19 20:33:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:33:16,836 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:33:16,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.193548387096774) internal successors, (254), 31 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 20:33:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:33:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:33:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:33:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 20:33:16,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-19 20:33:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-19 20:33:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 20:33:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 20:33:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:33:19,816 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 19059 transitions and produced 6198 states. [2022-02-19 20:33:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:33:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:33:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 20:33:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 20:33:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 20:33:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-19 20:33:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 20:33:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-19 20:33:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 20:33:19,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 20:33:20,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-19 20:33:20,028 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 20:33:20,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:33:20,028 INFO L85 PathProgramCache]: Analyzing trace with hash -617617136, now seen corresponding path program 5 times [2022-02-19 20:33:20,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:33:20,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445322821] [2022-02-19 20:33:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:33:20,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:33:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:33:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:33:20,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:33:20,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445322821] [2022-02-19 20:33:20,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445322821] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 20:33:20,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689403466] [2022-02-19 20:33:20,876 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 20:33:20,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 20:33:20,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:33:20,877 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 20:33:20,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 20:33:20,948 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 20:33:20,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 20:33:20,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-19 20:33:20,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 20:33:21,536 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-19 20:33:21,953 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-19 20:33:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 20:33:22,233 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-02-19 20:33:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 20:33:22,359 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-02-19 20:33:22,705 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:33:22,705 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 45 [2022-02-19 20:33:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:33:23,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 20:33:23,864 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_290 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_290) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (= .cse0 c_~max1~0) (not (< c_~max2~0 .cse0))))) (or (= c_~max1~0 c_~max2~0) (forall ((v_ArrVal_290 (Array Int Int))) (< c_~max2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_290) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))))))) is different from false [2022-02-19 20:33:24,092 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (and (or (= c_~max1~0 c_~max2~0) (forall ((v_ArrVal_290 (Array Int Int)) (v_ArrVal_289 (Array Int Int))) (< c_~max2~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_289) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_290) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4)))))) (forall ((v_ArrVal_290 (Array Int Int)) (v_ArrVal_289 (Array Int Int))) (let ((.cse0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_289) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_290) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< c_~max2~0 .cse0)) (= c_~max1~0 .cse0))))) (not (< ~M~0 c_~N~0)))) is different from false [2022-02-19 20:33:24,241 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (let ((.cse1 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork2_~i~0 4))))) (let ((.cse3 (< c_~max1~0 .cse1)) (.cse0 (forall ((v_ArrVal_290 (Array Int Int)) (v_ArrVal_289 (Array Int Int))) (< c_~max2~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_289) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_290) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))))) (and (or (and (or .cse0 (= .cse1 c_~max2~0)) (forall ((v_ArrVal_290 (Array Int Int)) (v_ArrVal_289 (Array Int Int))) (let ((.cse2 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_289) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_290) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (= (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork2_~i~0 4))) .cse2) (not (< c_~max2~0 .cse2)))))) (not .cse3)) (or .cse3 (and (or (= c_~max1~0 c_~max2~0) .cse0) (forall ((v_ArrVal_290 (Array Int Int)) (v_ArrVal_289 (Array Int Int))) (let ((.cse4 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_289) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_290) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))))) (or (not (< c_~max2~0 .cse4)) (= c_~max1~0 .cse4))))))))))) is different from false [2022-02-19 20:33:36,448 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:33:36,448 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 292 treesize of output 185 [2022-02-19 20:33:36,477 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:33:36,478 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 5349 treesize of output 4977 [2022-02-19 20:33:36,532 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:33:36,533 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4932 treesize of output 4709 [2022-02-19 20:33:36,560 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4696 treesize of output 4504 [2022-02-19 20:33:36,586 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4504 treesize of output 4120 [2022-02-19 20:33:36,612 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4120 treesize of output 3832 [2022-02-19 20:33:36,638 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3832 treesize of output 3688 [2022-02-19 20:33:36,666 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3688 treesize of output 3664 [2022-02-19 20:33:36,692 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3664 treesize of output 3652 [2022-02-19 20:33:36,729 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 20:33:36,729 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3652 treesize of output 3633 [2022-02-19 20:33:36,757 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3620 treesize of output 3572 [2022-02-19 20:33:36,786 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3572 treesize of output 3476 [2022-02-19 20:33:36,810 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-19 20:33:36,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 20:33:37,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 20:33:37,024 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) 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:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-19 20:33:37,028 INFO L158 Benchmark]: Toolchain (without parser) took 131231.96ms. Allocated memory was 187.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 137.5MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2022-02-19 20:33:37,028 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 20:33:37,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.38ms. Allocated memory is still 187.7MB. Free memory was 137.3MB in the beginning and 162.1MB in the end (delta: -24.9MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-02-19 20:33:37,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.19ms. Allocated memory is still 187.7MB. Free memory was 162.1MB in the beginning and 160.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 20:33:37,028 INFO L158 Benchmark]: Boogie Preprocessor took 20.34ms. Allocated memory is still 187.7MB. Free memory was 160.0MB in the beginning and 158.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 20:33:37,028 INFO L158 Benchmark]: RCFGBuilder took 407.61ms. Allocated memory is still 187.7MB. Free memory was 158.4MB in the beginning and 140.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-19 20:33:37,029 INFO L158 Benchmark]: TraceAbstraction took 130545.71ms. Allocated memory was 187.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 140.1MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2022-02-19 20:33:37,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 204.38ms. Allocated memory is still 187.7MB. Free memory was 137.3MB in the beginning and 162.1MB in the end (delta: -24.9MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.19ms. Allocated memory is still 187.7MB. Free memory was 162.1MB in the beginning and 160.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.34ms. Allocated memory is still 187.7MB. Free memory was 160.0MB in the beginning and 158.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 407.61ms. Allocated memory is still 187.7MB. Free memory was 158.4MB in the beginning and 140.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 130545.71ms. Allocated memory was 187.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 140.1MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-19 20:33:37,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-19 20:33:37,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...