/usr/bin/java -Xmx16000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 01:20:45,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 01:20:45,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 01:20:45,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 01:20:45,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 01:20:45,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 01:20:45,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 01:20:45,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 01:20:45,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 01:20:45,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 01:20:45,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 01:20:45,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 01:20:45,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 01:20:45,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 01:20:45,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 01:20:45,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 01:20:45,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 01:20:45,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 01:20:45,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 01:20:45,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 01:20:45,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 01:20:45,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 01:20:45,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 01:20:45,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 01:20:45,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 01:20:45,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 01:20:45,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 01:20:45,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 01:20:45,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 01:20:45,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 01:20:45,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 01:20:45,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 01:20:45,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 01:20:45,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 01:20:45,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 01:20:45,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 01:20:45,683 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-FA-NoLbe.epf [2022-01-18 01:20:45,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 01:20:45,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 01:20:45,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 01:20:45,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 01:20:45,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 01:20:45,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 01:20:45,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 01:20:45,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 01:20:45,723 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 01:20:45,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 01:20:45,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 01:20:45,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 01:20:45,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 01:20:45,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 01:20:45,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 01:20:45,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 01:20:45,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 01:20:45,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:20:45,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 01:20:45,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 01:20:45,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 01:20:45,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 01:20:45,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 01:20:45,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 01:20:45,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 01:20:45,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 01:20:45,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 01:20:45,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 01:20:45,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 01:20:45,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 01:20:45,921 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 01:20:45,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2022-01-18 01:20:45,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73cf3112a/c177c01601364f278d7faafd3575c16c/FLAG8d7c10ddd [2022-01-18 01:20:46,357 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 01:20:46,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2022-01-18 01:20:46,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73cf3112a/c177c01601364f278d7faafd3575c16c/FLAG8d7c10ddd [2022-01-18 01:20:46,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73cf3112a/c177c01601364f278d7faafd3575c16c [2022-01-18 01:20:46,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 01:20:46,764 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 01:20:46,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 01:20:46,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 01:20:46,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 01:20:46,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:46,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae088a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46, skipping insertion in model container [2022-01-18 01:20:46,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:46,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 01:20:46,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 01:20:46,944 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/parallel-bakery-2.wvr.c[3512,3525] [2022-01-18 01:20:46,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:20:46,954 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 01:20:46,974 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/parallel-bakery-2.wvr.c[3512,3525] [2022-01-18 01:20:46,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:20:46,990 INFO L208 MainTranslator]: Completed translation [2022-01-18 01:20:46,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46 WrapperNode [2022-01-18 01:20:46,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 01:20:46,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 01:20:46,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 01:20:46,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 01:20:47,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,029 INFO L137 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2022-01-18 01:20:47,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 01:20:47,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 01:20:47,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 01:20:47,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 01:20:47,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 01:20:47,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 01:20:47,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 01:20:47,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 01:20:47,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (1/1) ... [2022-01-18 01:20:47,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:20:47,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:20:47,084 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) [2022-01-18 01:20:47,090 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 [2022-01-18 01:20:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 01:20:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 01:20:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 01:20:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 01:20:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 01:20:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 01:20:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 01:20:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 01:20:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 01:20:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 01:20:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 01:20:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 01:20:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 01:20:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 01:20:47,122 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 01:20:47,202 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 01:20:47,203 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 01:20:47,400 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 01:20:47,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 01:20:47,455 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 01:20:47,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:20:47 BoogieIcfgContainer [2022-01-18 01:20:47,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 01:20:47,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 01:20:47,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 01:20:47,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 01:20:47,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:20:46" (1/3) ... [2022-01-18 01:20:47,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d726811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:20:47, skipping insertion in model container [2022-01-18 01:20:47,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:20:46" (2/3) ... [2022-01-18 01:20:47,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d726811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:20:47, skipping insertion in model container [2022-01-18 01:20:47,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:20:47" (3/3) ... [2022-01-18 01:20:47,468 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2022-01-18 01:20:47,472 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 01:20:47,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 01:20:47,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 01:20:47,472 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 01:20:47,510 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,511 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,511 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,511 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,511 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,511 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:20:47,527 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 01:20:47,572 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 01:20:47,578 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=FINITE_AUTOMATA, 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 [2022-01-18 01:20:47,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 01:20:47,587 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 113 places, 108 transitions, 232 flow [2022-01-18 01:20:47,665 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 745 states, 744 states have (on average 2.3629032258064515) internal successors, (1758), 744 states have internal predecessors, (1758), 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) [2022-01-18 01:20:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 745 states, 744 states have (on average 2.3629032258064515) internal successors, (1758), 744 states have internal predecessors, (1758), 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) [2022-01-18 01:20:47,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-18 01:20:47,690 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:20:47,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:20:47,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:20:47,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:20:47,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1661263423, now seen corresponding path program 1 times [2022-01-18 01:20:47,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:20:47,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924994782] [2022-01-18 01:20:47,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:20:47,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:20:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:20:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:20:48,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:20:48,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924994782] [2022-01-18 01:20:48,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924994782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:20:48,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:20:48,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 01:20:48,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382427358] [2022-01-18 01:20:48,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:20:48,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 01:20:48,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:20:48,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 01:20:48,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2022-01-18 01:20:48,225 INFO L87 Difference]: Start difference. First operand has 745 states, 744 states have (on average 2.3629032258064515) internal successors, (1758), 744 states have internal predecessors, (1758), 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) Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 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) [2022-01-18 01:20:48,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:20:48,429 INFO L93 Difference]: Finished difference Result 1309 states and 3231 transitions. [2022-01-18 01:20:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 01:20:48,431 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 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) Word has length 93 [2022-01-18 01:20:48,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:20:48,453 INFO L225 Difference]: With dead ends: 1309 [2022-01-18 01:20:48,454 INFO L226 Difference]: Without dead ends: 1307 [2022-01-18 01:20:48,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 01:20:48,458 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 156 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:20:48,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 431 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:20:48,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2022-01-18 01:20:48,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 839. [2022-01-18 01:20:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 838 states have (on average 2.379474940334129) internal successors, (1994), 838 states have internal predecessors, (1994), 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) [2022-01-18 01:20:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1994 transitions. [2022-01-18 01:20:48,565 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1994 transitions. Word has length 93 [2022-01-18 01:20:48,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:20:48,572 INFO L470 AbstractCegarLoop]: Abstraction has 839 states and 1994 transitions. [2022-01-18 01:20:48,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 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) [2022-01-18 01:20:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1994 transitions. [2022-01-18 01:20:48,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-18 01:20:48,577 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:20:48,577 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:20:48,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 01:20:48,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:20:48,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:20:48,578 INFO L85 PathProgramCache]: Analyzing trace with hash -516101633, now seen corresponding path program 2 times [2022-01-18 01:20:48,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:20:48,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461419215] [2022-01-18 01:20:48,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:20:48,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:20:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:20:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:20:48,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:20:48,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461419215] [2022-01-18 01:20:48,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461419215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:20:48,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:20:48,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 01:20:48,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52154790] [2022-01-18 01:20:48,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:20:48,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 01:20:48,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:20:48,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 01:20:48,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-01-18 01:20:48,859 INFO L87 Difference]: Start difference. First operand 839 states and 1994 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:20:49,121 INFO L93 Difference]: Finished difference Result 1126 states and 2599 transitions. [2022-01-18 01:20:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 01:20:49,122 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) Word has length 93 [2022-01-18 01:20:49,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:20:49,125 INFO L225 Difference]: With dead ends: 1126 [2022-01-18 01:20:49,125 INFO L226 Difference]: Without dead ends: 702 [2022-01-18 01:20:49,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-01-18 01:20:49,127 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 238 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:20:49,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 920 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:20:49,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-01-18 01:20:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 516. [2022-01-18 01:20:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 2.3029126213592233) internal successors, (1186), 515 states have internal predecessors, (1186), 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) [2022-01-18 01:20:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1186 transitions. [2022-01-18 01:20:49,143 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1186 transitions. Word has length 93 [2022-01-18 01:20:49,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:20:49,144 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 1186 transitions. [2022-01-18 01:20:49,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1186 transitions. [2022-01-18 01:20:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-18 01:20:49,146 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:20:49,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:20:49,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 01:20:49,147 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:20:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:20:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash 987315267, now seen corresponding path program 3 times [2022-01-18 01:20:49,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:20:49,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587754227] [2022-01-18 01:20:49,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:20:49,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:20:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:20:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:20:49,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:20:49,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587754227] [2022-01-18 01:20:49,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587754227] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:20:49,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:20:49,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 01:20:49,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815187192] [2022-01-18 01:20:49,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:20:49,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 01:20:49,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:20:49,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 01:20:49,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:20:49,206 INFO L87 Difference]: Start difference. First operand 516 states and 1186 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:20:49,234 INFO L93 Difference]: Finished difference Result 516 states and 1174 transitions. [2022-01-18 01:20:49,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 01:20:49,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) Word has length 93 [2022-01-18 01:20:49,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:20:49,237 INFO L225 Difference]: With dead ends: 516 [2022-01-18 01:20:49,237 INFO L226 Difference]: Without dead ends: 516 [2022-01-18 01:20:49,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:20:49,242 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 8 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:20:49,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 172 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:20:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2022-01-18 01:20:49,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2022-01-18 01:20:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 2.2796116504854367) internal successors, (1174), 515 states have internal predecessors, (1174), 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) [2022-01-18 01:20:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1174 transitions. [2022-01-18 01:20:49,257 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1174 transitions. Word has length 93 [2022-01-18 01:20:49,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:20:49,258 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 1174 transitions. [2022-01-18 01:20:49,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1174 transitions. [2022-01-18 01:20:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-18 01:20:49,260 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:20:49,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:20:49,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 01:20:49,261 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:20:49,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:20:49,262 INFO L85 PathProgramCache]: Analyzing trace with hash -473961595, now seen corresponding path program 4 times [2022-01-18 01:20:49,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:20:49,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042634217] [2022-01-18 01:20:49,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:20:49,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:20:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:20:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:20:49,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:20:49,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042634217] [2022-01-18 01:20:49,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042634217] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:20:49,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:20:49,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 01:20:49,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206244026] [2022-01-18 01:20:49,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:20:49,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 01:20:49,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:20:49,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 01:20:49,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-18 01:20:49,422 INFO L87 Difference]: Start difference. First operand 516 states and 1174 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:20:49,547 INFO L93 Difference]: Finished difference Result 580 states and 1310 transitions. [2022-01-18 01:20:49,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 01:20:49,547 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) Word has length 93 [2022-01-18 01:20:49,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:20:49,550 INFO L225 Difference]: With dead ends: 580 [2022-01-18 01:20:49,551 INFO L226 Difference]: Without dead ends: 516 [2022-01-18 01:20:49,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:20:49,558 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 87 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:20:49,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 436 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:20:49,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2022-01-18 01:20:49,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2022-01-18 01:20:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 2.2640776699029126) internal successors, (1166), 515 states have internal predecessors, (1166), 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) [2022-01-18 01:20:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1166 transitions. [2022-01-18 01:20:49,578 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1166 transitions. Word has length 93 [2022-01-18 01:20:49,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:20:49,578 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 1166 transitions. [2022-01-18 01:20:49,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1166 transitions. [2022-01-18 01:20:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-18 01:20:49,580 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:20:49,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:20:49,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 01:20:49,581 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:20:49,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:20:49,582 INFO L85 PathProgramCache]: Analyzing trace with hash -193041659, now seen corresponding path program 5 times [2022-01-18 01:20:49,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:20:49,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640893834] [2022-01-18 01:20:49,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:20:49,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:20:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:20:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:20:49,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:20:49,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640893834] [2022-01-18 01:20:49,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640893834] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:20:49,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:20:49,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 01:20:49,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422788057] [2022-01-18 01:20:49,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:20:49,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 01:20:49,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:20:49,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 01:20:49,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-18 01:20:49,706 INFO L87 Difference]: Start difference. First operand 516 states and 1166 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:20:49,824 INFO L93 Difference]: Finished difference Result 572 states and 1288 transitions. [2022-01-18 01:20:49,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 01:20:49,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) Word has length 93 [2022-01-18 01:20:49,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:20:49,826 INFO L225 Difference]: With dead ends: 572 [2022-01-18 01:20:49,827 INFO L226 Difference]: Without dead ends: 478 [2022-01-18 01:20:49,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 01:20:49,827 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 67 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:20:49,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 525 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:20:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-01-18 01:20:49,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2022-01-18 01:20:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 477 states have (on average 2.243186582809224) internal successors, (1070), 477 states have internal predecessors, (1070), 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) [2022-01-18 01:20:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 1070 transitions. [2022-01-18 01:20:49,839 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 1070 transitions. Word has length 93 [2022-01-18 01:20:49,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:20:49,839 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 1070 transitions. [2022-01-18 01:20:49,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2022-01-18 01:20:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1070 transitions. [2022-01-18 01:20:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-18 01:20:49,841 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:20:49,841 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:20:49,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 01:20:49,842 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:20:49,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:20:49,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1682268805, now seen corresponding path program 6 times [2022-01-18 01:20:49,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:20:49,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287744017] [2022-01-18 01:20:49,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:20:49,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:20:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:20:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:20:49,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:20:49,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287744017] [2022-01-18 01:20:49,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287744017] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:20:49,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:20:49,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 01:20:49,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180330869] [2022-01-18 01:20:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:20:49,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 01:20:49,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:20:49,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 01:20:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-01-18 01:20:49,998 INFO L87 Difference]: Start difference. First operand 478 states and 1070 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2022-01-18 01:20:50,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:20:50,188 INFO L93 Difference]: Finished difference Result 661 states and 1455 transitions. [2022-01-18 01:20:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 01:20:50,188 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) Word has length 93 [2022-01-18 01:20:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:20:50,190 INFO L225 Difference]: With dead ends: 661 [2022-01-18 01:20:50,190 INFO L226 Difference]: Without dead ends: 451 [2022-01-18 01:20:50,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-01-18 01:20:50,191 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 267 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:20:50,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 613 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:20:50,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-01-18 01:20:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 366. [2022-01-18 01:20:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.0876712328767124) internal successors, (762), 365 states have internal predecessors, (762), 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) [2022-01-18 01:20:50,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 762 transitions. [2022-01-18 01:20:50,200 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 762 transitions. Word has length 93 [2022-01-18 01:20:50,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:20:50,200 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 762 transitions. [2022-01-18 01:20:50,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2022-01-18 01:20:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 762 transitions. [2022-01-18 01:20:50,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-18 01:20:50,202 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:20:50,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:20:50,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 01:20:50,202 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:20:50,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:20:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash 900484227, now seen corresponding path program 7 times [2022-01-18 01:20:50,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:20:50,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096005171] [2022-01-18 01:20:50,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:20:50,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:20:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:20:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:20:50,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:20:50,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096005171] [2022-01-18 01:20:50,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096005171] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:20:50,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:20:50,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 01:20:50,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412295753] [2022-01-18 01:20:50,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:20:50,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 01:20:50,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:20:50,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 01:20:50,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-01-18 01:20:50,301 INFO L87 Difference]: Start difference. First operand 366 states and 762 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2022-01-18 01:20:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:20:50,358 INFO L93 Difference]: Finished difference Result 206 states and 392 transitions. [2022-01-18 01:20:50,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 01:20:50,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) Word has length 93 [2022-01-18 01:20:50,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:20:50,359 INFO L225 Difference]: With dead ends: 206 [2022-01-18 01:20:50,359 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 01:20:50,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:20:50,360 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 78 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:20:50,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 242 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:20:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 01:20:50,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 01:20:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-01-18 01:20:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 01:20:50,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2022-01-18 01:20:50,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:20:50,361 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 01:20:50,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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) [2022-01-18 01:20:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 01:20:50,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 01:20:50,364 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 01:20:50,364 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 01:20:50,364 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 01:20:50,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 01:20:50,366 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-01-18 01:20:50,368 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 01:20:50,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 01:20:50,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:20:50 BasicIcfg [2022-01-18 01:20:50,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 01:20:50,370 INFO L158 Benchmark]: Toolchain (without parser) took 3606.27ms. Allocated memory is still 398.5MB. Free memory was 344.5MB in the beginning and 328.2MB in the end (delta: 16.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.0GB. [2022-01-18 01:20:50,370 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 398.5MB. Free memory is still 361.7MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 01:20:50,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.81ms. Allocated memory is still 398.5MB. Free memory was 344.3MB in the beginning and 370.5MB in the end (delta: -26.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.0GB. [2022-01-18 01:20:50,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.04ms. Allocated memory is still 398.5MB. Free memory was 369.8MB in the beginning and 367.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:20:50,371 INFO L158 Benchmark]: Boogie Preprocessor took 17.72ms. Allocated memory is still 398.5MB. Free memory was 367.7MB in the beginning and 366.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:20:50,371 INFO L158 Benchmark]: RCFGBuilder took 409.42ms. Allocated memory is still 398.5MB. Free memory was 366.7MB in the beginning and 347.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2022-01-18 01:20:50,371 INFO L158 Benchmark]: TraceAbstraction took 2906.40ms. Allocated memory is still 398.5MB. Free memory was 347.8MB in the beginning and 328.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.0GB. [2022-01-18 01:20:50,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 398.5MB. Free memory is still 361.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 224.81ms. Allocated memory is still 398.5MB. Free memory was 344.3MB in the beginning and 370.5MB in the end (delta: -26.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 38.04ms. Allocated memory is still 398.5MB. Free memory was 369.8MB in the beginning and 367.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 17.72ms. Allocated memory is still 398.5MB. Free memory was 367.7MB in the beginning and 366.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 409.42ms. Allocated memory is still 398.5MB. Free memory was 366.7MB in the beginning and 347.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 2906.40ms. Allocated memory is still 398.5MB. Free memory was 347.8MB in the beginning and 328.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 130]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 901 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 901 mSDsluCounter, 3339 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3004 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1051 IncrementalHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 723 mSDtfsCounter, 1051 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=839occurred in iteration=1, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 739 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 651 NumberOfCodeBlocks, 651 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 2084 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 01:20:50,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...