/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 14:33:48,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 14:33:48,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 14:33:48,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 14:33:48,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 14:33:48,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 14:33:48,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 14:33:48,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 14:33:48,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 14:33:48,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 14:33:48,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 14:33:48,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 14:33:48,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 14:33:48,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 14:33:48,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 14:33:48,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 14:33:48,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 14:33:48,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 14:33:48,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 14:33:48,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 14:33:48,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 14:33:48,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 14:33:48,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 14:33:48,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 14:33:48,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 14:33:48,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 14:33:48,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 14:33:48,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 14:33:48,985 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 [2022-03-15 14:33:49,028 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 14:33:49,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 14:33:49,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 14:33:49,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 14:33:49,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 14:33:49,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 14:33:49,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 14:33:49,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 14:33:49,030 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 14:33:49,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 14:33:49,031 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 14:33:49,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 14:33:49,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 14:33:49,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 14:33:49,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 14:33:49,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 14:33:49,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 14:33:49,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 14:33:49,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:33:49,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 14:33:49,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 14:33:49,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 14:33:49,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 14:33:49,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 14:33:49,034 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 14:33:49,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 14:33:49,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 14:33:49,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 14:33:49,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 14:33:49,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 14:33:49,281 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 14:33:49,282 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 14:33:49,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2022-03-15 14:33:49,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61ffaf2a/ea357e982aa34dbdb591c6ade2754c6b/FLAG43262a915 [2022-03-15 14:33:49,675 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 14:33:49,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2022-03-15 14:33:49,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61ffaf2a/ea357e982aa34dbdb591c6ade2754c6b/FLAG43262a915 [2022-03-15 14:33:49,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61ffaf2a/ea357e982aa34dbdb591c6ade2754c6b [2022-03-15 14:33:49,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 14:33:49,691 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 14:33:49,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 14:33:49,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 14:33:49,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 14:33:49,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a65dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49, skipping insertion in model container [2022-03-15 14:33:49,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 14:33:49,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 14:33:49,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2022-03-15 14:33:49,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:33:49,882 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 14:33:49,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2022-03-15 14:33:49,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:33:49,933 INFO L208 MainTranslator]: Completed translation [2022-03-15 14:33:49,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49 WrapperNode [2022-03-15 14:33:49,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 14:33:49,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 14:33:49,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 14:33:49,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 14:33:49,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,969 INFO L137 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 150 [2022-03-15 14:33:49,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 14:33:49,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 14:33:49,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 14:33:49,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 14:33:49,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:49,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 14:33:49,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 14:33:49,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 14:33:49,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 14:33:50,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (1/1) ... [2022-03-15 14:33:50,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:33:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:33:50,041 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) [2022-03-15 14:33:50,058 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 [2022-03-15 14:33:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 14:33:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 14:33:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 14:33:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 14:33:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 14:33:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 14:33:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 14:33:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 14:33:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 14:33:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 14:33:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 14:33:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 14:33:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 14:33:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 14:33:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 14:33:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 14:33:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 14:33:50,077 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 14:33:50,177 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 14:33:50,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 14:33:50,413 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 14:33:50,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 14:33:50,439 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-03-15 14:33:50,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:33:50 BoogieIcfgContainer [2022-03-15 14:33:50,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 14:33:50,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 14:33:50,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 14:33:50,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 14:33:50,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:33:49" (1/3) ... [2022-03-15 14:33:50,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2248d555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:33:50, skipping insertion in model container [2022-03-15 14:33:50,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:33:49" (2/3) ... [2022-03-15 14:33:50,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2248d555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:33:50, skipping insertion in model container [2022-03-15 14:33:50,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:33:50" (3/3) ... [2022-03-15 14:33:50,475 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2022-03-15 14:33:50,479 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 14:33:50,479 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 14:33:50,479 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 14:33:50,479 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 14:33:50,548 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,548 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,548 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,549 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,549 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,549 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,551 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,551 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,551 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,551 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,551 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,554 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,554 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,554 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,554 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,555 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,558 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,559 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,560 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,560 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,560 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,560 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,560 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,560 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,560 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,561 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,561 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,561 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,562 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,562 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,563 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,563 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,564 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,564 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,564 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,564 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,565 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,565 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,565 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,565 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,566 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,566 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,566 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,566 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,566 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,567 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,573 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,574 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,574 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,574 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,575 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,575 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,576 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,576 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,577 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,579 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,581 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,581 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,582 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,582 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,582 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,582 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,584 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,585 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,585 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,585 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,585 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,585 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,586 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,587 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,587 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:33:50,590 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 14:33:50,628 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 14:33:50,633 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, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 14:33:50,633 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 14:33:50,645 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 218 places, 228 transitions, 480 flow [2022-03-15 14:33:50,868 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6856 states, 6855 states have (on average 3.8796498905908097) internal successors, (26595), 6855 states have internal predecessors, (26595), 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) [2022-03-15 14:33:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 6856 states, 6855 states have (on average 3.8796498905908097) internal successors, (26595), 6855 states have internal predecessors, (26595), 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) [2022-03-15 14:33:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-15 14:33:50,973 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:50,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:50,974 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:50,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:50,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1821253296, now seen corresponding path program 1 times [2022-03-15 14:33:51,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:51,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919516536] [2022-03-15 14:33:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:51,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:33:51,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:51,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919516536] [2022-03-15 14:33:51,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919516536] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:33:51,207 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:33:51,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 14:33:51,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696158808] [2022-03-15 14:33:51,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:51,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 14:33:51,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:51,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 14:33:51,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:33:51,248 INFO L87 Difference]: Start difference. First operand has 6856 states, 6855 states have (on average 3.8796498905908097) internal successors, (26595), 6855 states have internal predecessors, (26595), 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 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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) [2022-03-15 14:33:51,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:51,378 INFO L93 Difference]: Finished difference Result 6856 states and 24862 transitions. [2022-03-15 14:33:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 14:33:51,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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 153 [2022-03-15 14:33:51,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:51,442 INFO L225 Difference]: With dead ends: 6856 [2022-03-15 14:33:51,442 INFO L226 Difference]: Without dead ends: 6849 [2022-03-15 14:33:51,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:33:51,446 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:51,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 193 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:33:51,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6849 states. [2022-03-15 14:33:51,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6849 to 6849. [2022-03-15 14:33:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6849 states, 6848 states have (on average 3.6295268691588785) internal successors, (24855), 6848 states have internal predecessors, (24855), 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) [2022-03-15 14:33:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6849 states to 6849 states and 24855 transitions. [2022-03-15 14:33:51,753 INFO L78 Accepts]: Start accepts. Automaton has 6849 states and 24855 transitions. Word has length 153 [2022-03-15 14:33:51,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:51,753 INFO L470 AbstractCegarLoop]: Abstraction has 6849 states and 24855 transitions. [2022-03-15 14:33:51,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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) [2022-03-15 14:33:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 6849 states and 24855 transitions. [2022-03-15 14:33:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-15 14:33:51,777 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:51,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:51,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 14:33:51,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:51,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:51,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1246203154, now seen corresponding path program 1 times [2022-03-15 14:33:51,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:51,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978024963] [2022-03-15 14:33:51,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:51,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:33:52,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:52,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978024963] [2022-03-15 14:33:52,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978024963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:33:52,207 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:33:52,207 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:33:52,207 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416927899] [2022-03-15 14:33:52,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:52,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:33:52,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:52,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:33:52,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:33:52,209 INFO L87 Difference]: Start difference. First operand 6849 states and 24855 transitions. Second operand has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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) [2022-03-15 14:33:52,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:52,455 INFO L93 Difference]: Finished difference Result 11904 states and 43533 transitions. [2022-03-15 14:33:52,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:33:52,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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 153 [2022-03-15 14:33:52,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:52,532 INFO L225 Difference]: With dead ends: 11904 [2022-03-15 14:33:52,533 INFO L226 Difference]: Without dead ends: 11484 [2022-03-15 14:33:52,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:33:52,535 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 454 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:52,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 621 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:33:52,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11484 states. [2022-03-15 14:33:52,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11484 to 8109. [2022-03-15 14:33:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8109 states, 8108 states have (on average 3.6364084854464727) internal successors, (29484), 8108 states have internal predecessors, (29484), 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) [2022-03-15 14:33:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8109 states to 8109 states and 29484 transitions. [2022-03-15 14:33:52,879 INFO L78 Accepts]: Start accepts. Automaton has 8109 states and 29484 transitions. Word has length 153 [2022-03-15 14:33:52,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:52,883 INFO L470 AbstractCegarLoop]: Abstraction has 8109 states and 29484 transitions. [2022-03-15 14:33:52,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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) [2022-03-15 14:33:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 8109 states and 29484 transitions. [2022-03-15 14:33:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-03-15 14:33:52,903 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:52,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:52,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 14:33:52,904 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:52,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:52,904 INFO L85 PathProgramCache]: Analyzing trace with hash 765698467, now seen corresponding path program 1 times [2022-03-15 14:33:52,905 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:52,907 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206298618] [2022-03-15 14:33:52,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:33:53,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:53,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206298618] [2022-03-15 14:33:53,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206298618] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:33:53,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:33:53,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:33:53,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586671231] [2022-03-15 14:33:53,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:53,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:33:53,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:53,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:33:53,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:33:53,045 INFO L87 Difference]: Start difference. First operand 8109 states and 29484 transitions. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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) [2022-03-15 14:33:53,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:53,433 INFO L93 Difference]: Finished difference Result 16655 states and 57561 transitions. [2022-03-15 14:33:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 14:33:53,434 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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 160 [2022-03-15 14:33:53,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:53,495 INFO L225 Difference]: With dead ends: 16655 [2022-03-15 14:33:53,495 INFO L226 Difference]: Without dead ends: 15743 [2022-03-15 14:33:53,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:33:53,496 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 932 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:53,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [932 Valid, 686 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:33:53,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15743 states. [2022-03-15 14:33:53,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15743 to 10225. [2022-03-15 14:33:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10225 states, 10224 states have (on average 3.5601525821596245) internal successors, (36399), 10224 states have internal predecessors, (36399), 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) [2022-03-15 14:33:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10225 states to 10225 states and 36399 transitions. [2022-03-15 14:33:53,956 INFO L78 Accepts]: Start accepts. Automaton has 10225 states and 36399 transitions. Word has length 160 [2022-03-15 14:33:53,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:53,957 INFO L470 AbstractCegarLoop]: Abstraction has 10225 states and 36399 transitions. [2022-03-15 14:33:53,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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) [2022-03-15 14:33:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 10225 states and 36399 transitions. [2022-03-15 14:33:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 14:33:53,988 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:53,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:53,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 14:33:53,989 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:53,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash 241224180, now seen corresponding path program 1 times [2022-03-15 14:33:53,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:53,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263290368] [2022-03-15 14:33:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:53,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:33:54,095 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:54,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263290368] [2022-03-15 14:33:54,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263290368] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:33:54,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:33:54,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:33:54,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462435649] [2022-03-15 14:33:54,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:54,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:33:54,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:54,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:33:54,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:33:54,097 INFO L87 Difference]: Start difference. First operand 10225 states and 36399 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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) [2022-03-15 14:33:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:54,402 INFO L93 Difference]: Finished difference Result 9185 states and 32379 transitions. [2022-03-15 14:33:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 14:33:54,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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 163 [2022-03-15 14:33:54,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:54,435 INFO L225 Difference]: With dead ends: 9185 [2022-03-15 14:33:54,435 INFO L226 Difference]: Without dead ends: 8124 [2022-03-15 14:33:54,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:33:54,443 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 853 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:54,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [853 Valid, 653 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:33:54,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8124 states. [2022-03-15 14:33:54,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8124 to 8112. [2022-03-15 14:33:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8112 states, 8111 states have (on average 3.6354333621008506) internal successors, (29487), 8111 states have internal predecessors, (29487), 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) [2022-03-15 14:33:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8112 states to 8112 states and 29487 transitions. [2022-03-15 14:33:54,768 INFO L78 Accepts]: Start accepts. Automaton has 8112 states and 29487 transitions. Word has length 163 [2022-03-15 14:33:54,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:54,768 INFO L470 AbstractCegarLoop]: Abstraction has 8112 states and 29487 transitions. [2022-03-15 14:33:54,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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) [2022-03-15 14:33:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 8112 states and 29487 transitions. [2022-03-15 14:33:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-03-15 14:33:54,796 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:54,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:54,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 14:33:54,796 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:54,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:54,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1067095527, now seen corresponding path program 1 times [2022-03-15 14:33:54,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:54,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2953574] [2022-03-15 14:33:54,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:54,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:54,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:54,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2953574] [2022-03-15 14:33:54,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2953574] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:33:54,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098182031] [2022-03-15 14:33:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:54,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:33:54,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:33:54,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:33:54,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 14:33:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:55,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 14:33:55,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:33:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:55,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:33:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:55,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098182031] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 14:33:55,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 14:33:55,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-03-15 14:33:55,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883186891] [2022-03-15 14:33:55,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:55,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:33:55,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:55,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:33:55,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:33:55,685 INFO L87 Difference]: Start difference. First operand 8112 states and 29487 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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) [2022-03-15 14:33:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:55,792 INFO L93 Difference]: Finished difference Result 7740 states and 28245 transitions. [2022-03-15 14:33:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:33:55,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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 178 [2022-03-15 14:33:55,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:55,868 INFO L225 Difference]: With dead ends: 7740 [2022-03-15 14:33:55,868 INFO L226 Difference]: Without dead ends: 7740 [2022-03-15 14:33:55,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 348 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-03-15 14:33:55,869 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 503 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:55,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 451 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:33:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7740 states. [2022-03-15 14:33:55,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7740 to 7308. [2022-03-15 14:33:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7308 states, 7307 states have (on average 3.6339126864650337) internal successors, (26553), 7307 states have internal predecessors, (26553), 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) [2022-03-15 14:33:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7308 states to 7308 states and 26553 transitions. [2022-03-15 14:33:56,023 INFO L78 Accepts]: Start accepts. Automaton has 7308 states and 26553 transitions. Word has length 178 [2022-03-15 14:33:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:56,024 INFO L470 AbstractCegarLoop]: Abstraction has 7308 states and 26553 transitions. [2022-03-15 14:33:56,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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) [2022-03-15 14:33:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7308 states and 26553 transitions. [2022-03-15 14:33:56,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-15 14:33:56,048 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:56,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:56,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 14:33:56,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:33:56,266 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:56,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:56,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1394582974, now seen corresponding path program 1 times [2022-03-15 14:33:56,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:56,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508451915] [2022-03-15 14:33:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:56,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:56,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:56,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508451915] [2022-03-15 14:33:56,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508451915] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:33:56,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641806415] [2022-03-15 14:33:56,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:56,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:33:56,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:33:56,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:33:56,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 14:33:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:56,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 14:33:56,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:33:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:56,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:33:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:57,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641806415] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 14:33:57,225 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 14:33:57,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-03-15 14:33:57,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573390497] [2022-03-15 14:33:57,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:57,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:33:57,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:57,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:33:57,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:33:57,226 INFO L87 Difference]: Start difference. First operand 7308 states and 26553 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2022-03-15 14:33:57,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:57,335 INFO L93 Difference]: Finished difference Result 8091 states and 29460 transitions. [2022-03-15 14:33:57,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:33:57,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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 181 [2022-03-15 14:33:57,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:57,359 INFO L225 Difference]: With dead ends: 8091 [2022-03-15 14:33:57,359 INFO L226 Difference]: Without dead ends: 8091 [2022-03-15 14:33:57,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 354 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-03-15 14:33:57,360 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 444 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:57,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [444 Valid, 462 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:33:57,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2022-03-15 14:33:57,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 8091. [2022-03-15 14:33:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8091 states, 8090 states have (on average 3.641532756489493) internal successors, (29460), 8090 states have internal predecessors, (29460), 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) [2022-03-15 14:33:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 29460 transitions. [2022-03-15 14:33:57,533 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 29460 transitions. Word has length 181 [2022-03-15 14:33:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:57,533 INFO L470 AbstractCegarLoop]: Abstraction has 8091 states and 29460 transitions. [2022-03-15 14:33:57,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2022-03-15 14:33:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 29460 transitions. [2022-03-15 14:33:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-03-15 14:33:57,556 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:57,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:57,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 14:33:57,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-03-15 14:33:57,774 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:57,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:57,775 INFO L85 PathProgramCache]: Analyzing trace with hash -967964820, now seen corresponding path program 1 times [2022-03-15 14:33:57,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:57,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027022682] [2022-03-15 14:33:57,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:57,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:57,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:57,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027022682] [2022-03-15 14:33:57,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027022682] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:33:57,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090870743] [2022-03-15 14:33:57,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:57,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:33:57,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:33:57,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:33:57,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 14:33:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:57,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 14:33:57,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:33:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:58,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:33:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:33:58,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090870743] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 14:33:58,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 14:33:58,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-03-15 14:33:58,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403962449] [2022-03-15 14:33:58,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:58,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:33:58,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:58,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:33:58,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:33:58,646 INFO L87 Difference]: Start difference. First operand 8091 states and 29460 transitions. Second operand has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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) [2022-03-15 14:33:58,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:58,748 INFO L93 Difference]: Finished difference Result 8724 states and 31806 transitions. [2022-03-15 14:33:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:33:58,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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 186 [2022-03-15 14:33:58,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:58,769 INFO L225 Difference]: With dead ends: 8724 [2022-03-15 14:33:58,769 INFO L226 Difference]: Without dead ends: 8724 [2022-03-15 14:33:58,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 364 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-03-15 14:33:58,770 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 462 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:58,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 464 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:33:58,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8724 states. [2022-03-15 14:33:58,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8724. [2022-03-15 14:33:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8724 states, 8723 states have (on average 3.6462226298291873) internal successors, (31806), 8723 states have internal predecessors, (31806), 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) [2022-03-15 14:33:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 31806 transitions. [2022-03-15 14:33:58,923 INFO L78 Accepts]: Start accepts. Automaton has 8724 states and 31806 transitions. Word has length 186 [2022-03-15 14:33:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:58,923 INFO L470 AbstractCegarLoop]: Abstraction has 8724 states and 31806 transitions. [2022-03-15 14:33:58,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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) [2022-03-15 14:33:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 8724 states and 31806 transitions. [2022-03-15 14:33:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 14:33:58,941 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:58,941 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:58,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 14:33:59,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:33:59,156 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:59,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 987520909, now seen corresponding path program 1 times [2022-03-15 14:33:59,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:59,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705760040] [2022-03-15 14:33:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:33:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 14:33:59,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:33:59,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705760040] [2022-03-15 14:33:59,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705760040] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:33:59,292 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:33:59,293 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 14:33:59,293 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713914904] [2022-03-15 14:33:59,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:33:59,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 14:33:59,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:33:59,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 14:33:59,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 14:33:59,294 INFO L87 Difference]: Start difference. First operand 8724 states and 31806 transitions. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 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) [2022-03-15 14:33:59,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:33:59,374 INFO L93 Difference]: Finished difference Result 9957 states and 36180 transitions. [2022-03-15 14:33:59,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 14:33:59,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 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 193 [2022-03-15 14:33:59,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:33:59,402 INFO L225 Difference]: With dead ends: 9957 [2022-03-15 14:33:59,402 INFO L226 Difference]: Without dead ends: 9957 [2022-03-15 14:33:59,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:33:59,403 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 92 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:33:59,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 673 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:33:59,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2022-03-15 14:33:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 8565. [2022-03-15 14:33:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8565 states, 8564 states have (on average 3.622139187295656) internal successors, (31020), 8564 states have internal predecessors, (31020), 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) [2022-03-15 14:33:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8565 states to 8565 states and 31020 transitions. [2022-03-15 14:33:59,623 INFO L78 Accepts]: Start accepts. Automaton has 8565 states and 31020 transitions. Word has length 193 [2022-03-15 14:33:59,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:33:59,624 INFO L470 AbstractCegarLoop]: Abstraction has 8565 states and 31020 transitions. [2022-03-15 14:33:59,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 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) [2022-03-15 14:33:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 8565 states and 31020 transitions. [2022-03-15 14:33:59,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 14:33:59,641 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:33:59,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:33:59,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 14:33:59,641 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:33:59,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:33:59,642 INFO L85 PathProgramCache]: Analyzing trace with hash -543718051, now seen corresponding path program 2 times [2022-03-15 14:33:59,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:33:59,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487892491] [2022-03-15 14:33:59,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:33:59,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:33:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:34:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:34:01,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:34:01,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487892491] [2022-03-15 14:34:01,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487892491] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:34:01,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66260797] [2022-03-15 14:34:01,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:34:01,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:34:01,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:34:01,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:34:01,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 14:34:01,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:34:01,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:34:01,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 77 conjunts are in the unsatisfiable core [2022-03-15 14:34:01,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:34:01,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:34:01,632 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:34:01,632 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-15 14:34:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:34:04,011 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-15 14:34:04,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-03-15 14:34:04,253 INFO L353 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-03-15 14:34:04,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 58 [2022-03-15 14:34:10,861 INFO L353 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2022-03-15 14:34:10,861 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 77 [2022-03-15 14:34:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:34:10,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:34:33,394 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ c_~asum~0 c_~bsum~0) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-03-15 14:34:33,509 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ |c_thread1Thread1of1ForFork0_#t~mem3| c_~asum~0 c_~bsum~0) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-03-15 14:34:33,521 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ c_~asum~0 c_~bsum~0 (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-03-15 14:34:33,541 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2| (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-03-15 14:34:33,575 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:34:33,576 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 510 treesize of output 478 [2022-03-15 14:34:33,607 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:34:33,607 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 594 treesize of output 578 [2022-03-15 14:34:33,799 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 678 treesize of output 670 [2022-03-15 14:34:44,161 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:34:44,162 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 167 [2022-03-15 14:34:44,181 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:34:44,182 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 237 treesize of output 217 [2022-03-15 14:36:04,087 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:36:04,088 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 291 treesize of output 321 [2022-03-15 14:36:22,904 WARN L228 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 93 DAG size of output: 79 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-15 14:36:45,442 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-03-15 14:36:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2022-03-15 14:36:45,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66260797] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:36:45,783 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:36:45,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 33, 27] total 84 [2022-03-15 14:36:45,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704878377] [2022-03-15 14:36:45,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:36:45,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-03-15 14:36:45,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:36:45,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-03-15 14:36:45,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=5732, Unknown=15, NotChecked=636, Total=6972 [2022-03-15 14:36:45,786 INFO L87 Difference]: Start difference. First operand 8565 states and 31020 transitions. Second operand has 84 states, 84 states have (on average 6.130952380952381) internal successors, (515), 84 states have internal predecessors, (515), 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) [2022-03-15 14:36:50,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:36:50,236 INFO L93 Difference]: Finished difference Result 18432 states and 68269 transitions. [2022-03-15 14:36:50,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 14:36:50,237 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 6.130952380952381) internal successors, (515), 84 states have internal predecessors, (515), 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 193 [2022-03-15 14:36:50,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:36:50,285 INFO L225 Difference]: With dead ends: 18432 [2022-03-15 14:36:50,285 INFO L226 Difference]: Without dead ends: 18057 [2022-03-15 14:36:50,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 336 SyntacticMatches, 12 SemanticMatches, 123 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 4824 ImplicationChecksByTransitivity, 44.8s TimeCoverageRelationStatistics Valid=1379, Invalid=13142, Unknown=15, NotChecked=964, Total=15500 [2022-03-15 14:36:50,288 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 1500 mSDsluCounter, 11316 mSDsCounter, 0 mSdLazyCounter, 3760 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 11059 SdHoareTripleChecker+Invalid, 7098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3302 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:36:50,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1500 Valid, 11059 Invalid, 7098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3760 Invalid, 0 Unknown, 3302 Unchecked, 1.8s Time] [2022-03-15 14:36:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18057 states. [2022-03-15 14:36:50,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18057 to 11205. [2022-03-15 14:36:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11205 states, 11204 states have (on average 3.655480185647983) internal successors, (40956), 11204 states have internal predecessors, (40956), 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) [2022-03-15 14:36:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11205 states to 11205 states and 40956 transitions. [2022-03-15 14:36:50,547 INFO L78 Accepts]: Start accepts. Automaton has 11205 states and 40956 transitions. Word has length 193 [2022-03-15 14:36:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:36:50,547 INFO L470 AbstractCegarLoop]: Abstraction has 11205 states and 40956 transitions. [2022-03-15 14:36:50,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.130952380952381) internal successors, (515), 84 states have internal predecessors, (515), 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) [2022-03-15 14:36:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 11205 states and 40956 transitions. [2022-03-15 14:36:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-03-15 14:36:50,567 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:36:50,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:36:50,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-15 14:36:50,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:36:50,769 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:36:50,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:36:50,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1241531059, now seen corresponding path program 3 times [2022-03-15 14:36:50,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:36:50,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137792453] [2022-03-15 14:36:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:36:50,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:36:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:36:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:36:52,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:36:52,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137792453] [2022-03-15 14:36:52,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137792453] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:36:52,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323945285] [2022-03-15 14:36:52,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 14:36:52,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:36:52,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:36:52,282 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:36:52,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 14:36:52,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-15 14:36:52,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:36:52,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 63 conjunts are in the unsatisfiable core [2022-03-15 14:36:52,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:36:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:36:55,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:36:55,175 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-15 14:36:55,176 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 30 [2022-03-15 14:36:55,525 INFO L353 Elim1Store]: treesize reduction 36, result has 52.0 percent of original size [2022-03-15 14:36:55,526 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 58 [2022-03-15 14:36:59,685 INFO L353 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2022-03-15 14:36:59,690 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 78 [2022-03-15 14:36:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:36:59,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:37:01,914 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int)) (= (mod (+ (select (let ((.cse0 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse0 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse0 c_~B~0.offset))))) (+ (* c_thread3Thread1of1ForFork2_~i~2 4) ~C~0.offset)) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0) 4294967296))) is different from false [2022-03-15 14:37:30,322 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0) 4294967296))) is different from false [2022-03-15 14:37:30,389 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ |c_thread1Thread1of1ForFork0_#t~mem3| c_~asum~0 c_~bsum~0) 4294967296))) is different from false [2022-03-15 14:37:30,399 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0 (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296))) is different from false [2022-03-15 14:37:30,416 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2| (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296))) is different from false [2022-03-15 14:37:30,446 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:37:30,446 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 510 treesize of output 478 [2022-03-15 14:37:30,477 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:37:30,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 594 treesize of output 578 Received shutdown request... [2022-03-15 14:48:11,999 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 14:48:12,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-15 14:48:12,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-15 14:48:12,032 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 14:48:12,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-15 14:48:12,221 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. [2022-03-15 14:48:12,233 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-15 14:48:12,233 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-15 14:48:12,235 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-15 14:48:12,237 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:48:12,240 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 14:48:12,240 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 14:48:12,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:48:12 BasicIcfg [2022-03-15 14:48:12,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 14:48:12,244 INFO L158 Benchmark]: Toolchain (without parser) took 862552.21ms. Allocated memory was 166.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 109.7MB in the beginning and 933.1MB in the end (delta: -823.5MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-03-15 14:48:12,244 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory was 126.0MB in the beginning and 125.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 14:48:12,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.01ms. Allocated memory was 166.7MB in the beginning and 230.7MB in the end (delta: 64.0MB). Free memory was 109.5MB in the beginning and 203.2MB in the end (delta: -93.7MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. [2022-03-15 14:48:12,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.05ms. Allocated memory is still 230.7MB. Free memory was 203.2MB in the beginning and 201.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:48:12,246 INFO L158 Benchmark]: Boogie Preprocessor took 28.34ms. Allocated memory is still 230.7MB. Free memory was 201.2MB in the beginning and 199.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 14:48:12,248 INFO L158 Benchmark]: RCFGBuilder took 445.87ms. Allocated memory is still 230.7MB. Free memory was 199.6MB in the beginning and 179.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-03-15 14:48:12,249 INFO L158 Benchmark]: TraceAbstraction took 861787.19ms. Allocated memory was 230.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 178.6MB in the beginning and 933.1MB in the end (delta: -754.5MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-03-15 14:48:12,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory was 126.0MB in the beginning and 125.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.01ms. Allocated memory was 166.7MB in the beginning and 230.7MB in the end (delta: 64.0MB). Free memory was 109.5MB in the beginning and 203.2MB in the end (delta: -93.7MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.05ms. Allocated memory is still 230.7MB. Free memory was 203.2MB in the beginning and 201.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.34ms. Allocated memory is still 230.7MB. Free memory was 201.2MB in the beginning and 199.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 445.87ms. Allocated memory is still 230.7MB. Free memory was 199.6MB in the beginning and 179.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 861787.19ms. Allocated memory was 230.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 178.6MB in the beginning and 933.1MB in the end (delta: -754.5MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 246 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 861.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5240 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5240 mSDsluCounter, 15262 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3302 IncrementalHoareTripleChecker+Unchecked, 14069 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4500 IncrementalHoareTripleChecker+Invalid, 7888 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 1886 mSDtfsCounter, 4500 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1636 GetRequests, 1415 SyntacticMatches, 18 SemanticMatches, 203 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 5045 ImplicationChecksByTransitivity, 45.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11205occurred in iteration=9, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 17581 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 168.7s InterpolantComputationTime, 2298 NumberOfCodeBlocks, 2298 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3019 ConstructedInterpolants, 150 QuantifiedInterpolants, 24609 SizeOfPredicates, 60 NumberOfNonLiveVariables, 1698 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 50/65 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown