/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 12:31:38,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 12:31:38,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 12:31:38,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 12:31:38,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 12:31:38,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 12:31:38,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 12:31:38,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 12:31:38,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 12:31:38,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 12:31:38,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 12:31:38,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 12:31:38,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 12:31:38,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 12:31:38,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 12:31:38,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 12:31:38,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 12:31:38,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 12:31:38,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 12:31:38,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 12:31:38,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 12:31:38,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 12:31:38,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 12:31:38,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 12:31:38,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 12:31:38,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 12:31:38,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 12:31:38,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 12:31:38,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 12:31:38,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 12:31:38,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 12:31:38,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 12:31:38,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 12:31:38,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 12:31:38,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 12:31:38,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 12:31:38,273 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-Separate.epf [2022-01-18 12:31:38,296 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 12:31:38,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 12:31:38,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 12:31:38,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 12:31:38,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 12:31:38,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 12:31:38,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 12:31:38,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 12:31:38,298 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 12:31:38,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 12:31:38,298 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 12:31:38,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 12:31:38,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 12:31:38,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 12:31:38,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 12:31:38,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:31:38,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 12:31:38,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 12:31:38,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 12:31:38,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 12:31:38,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 12:31:38,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 12:31:38,520 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 12:31:38,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2022-01-18 12:31:38,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7345932/1066b4ae84f244d6b16daa38f3ea4d74/FLAGb18194e57 [2022-01-18 12:31:38,941 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 12:31:38,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2022-01-18 12:31:38,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7345932/1066b4ae84f244d6b16daa38f3ea4d74/FLAGb18194e57 [2022-01-18 12:31:38,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7345932/1066b4ae84f244d6b16daa38f3ea4d74 [2022-01-18 12:31:38,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 12:31:38,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 12:31:38,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 12:31:38,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 12:31:38,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 12:31:38,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:31:38" (1/1) ... [2022-01-18 12:31:38,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc1b9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:38, skipping insertion in model container [2022-01-18 12:31:38,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:31:38" (1/1) ... [2022-01-18 12:31:38,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 12:31:38,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 12:31:39,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2533,2546] [2022-01-18 12:31:39,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:31:39,168 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 12:31:39,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2533,2546] [2022-01-18 12:31:39,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:31:39,221 INFO L208 MainTranslator]: Completed translation [2022-01-18 12:31:39,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39 WrapperNode [2022-01-18 12:31:39,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 12:31:39,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 12:31:39,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 12:31:39,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 12:31:39,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,272 INFO L137 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 229 [2022-01-18 12:31:39,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 12:31:39,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 12:31:39,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 12:31:39,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 12:31:39,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 12:31:39,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 12:31:39,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 12:31:39,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 12:31:39,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (1/1) ... [2022-01-18 12:31:39,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:31:39,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:31:39,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 12:31:39,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 12:31:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 12:31:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 12:31:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 12:31:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 12:31:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 12:31:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 12:31:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 12:31:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 12:31:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 12:31:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 12:31:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 12:31:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 12:31:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 12:31:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 12:31:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 12:31:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 12:31:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 12:31:39,366 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 12:31:39,496 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 12:31:39,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 12:31:39,759 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 12:31:39,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 12:31:39,831 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-18 12:31:39,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:31:39 BoogieIcfgContainer [2022-01-18 12:31:39,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 12:31:39,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 12:31:39,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 12:31:39,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 12:31:39,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:31:38" (1/3) ... [2022-01-18 12:31:39,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4995806b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:31:39, skipping insertion in model container [2022-01-18 12:31:39,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:39" (2/3) ... [2022-01-18 12:31:39,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4995806b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:31:39, skipping insertion in model container [2022-01-18 12:31:39,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:31:39" (3/3) ... [2022-01-18 12:31:39,837 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2022-01-18 12:31:39,840 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 12:31:39,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 12:31:39,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 12:31:39,841 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 12:31:39,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,918 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,924 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,926 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,927 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,927 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,927 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,929 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,929 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,934 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,934 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,936 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,936 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,937 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,937 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,937 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,937 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,937 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,937 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,938 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,940 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,940 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,940 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:31:39,970 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 12:31:39,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 12:31:40,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 12:31:40,002 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 12:31:40,011 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 223 places, 232 transitions, 488 flow [2022-01-18 12:31:41,923 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 75589 states, 75588 states have (on average 3.9077102185532095) internal successors, (295376), 75588 states have internal predecessors, (295376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 75589 states, 75588 states have (on average 3.9077102185532095) internal successors, (295376), 75588 states have internal predecessors, (295376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 12:31:42,311 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:31:42,311 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] [2022-01-18 12:31:42,312 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:31:42,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:31:42,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1475151117, now seen corresponding path program 1 times [2022-01-18 12:31:42,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:31:42,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015100178] [2022-01-18 12:31:42,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:31:42,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:31:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:31:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:31:42,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:31:42,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015100178] [2022-01-18 12:31:42,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015100178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:31:42,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:31:42,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 12:31:42,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505793289] [2022-01-18 12:31:42,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:31:42,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 12:31:42,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:31:42,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 12:31:42,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 12:31:42,674 INFO L87 Difference]: Start difference. First operand has 75589 states, 75588 states have (on average 3.9077102185532095) internal successors, (295376), 75588 states have internal predecessors, (295376), 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 55.0) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:43,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:31:43,559 INFO L93 Difference]: Finished difference Result 75589 states and 277503 transitions. [2022-01-18 12:31:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 12:31:43,564 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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 110 [2022-01-18 12:31:43,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:31:44,056 INFO L225 Difference]: With dead ends: 75589 [2022-01-18 12:31:44,056 INFO L226 Difference]: Without dead ends: 68631 [2022-01-18 12:31:44,057 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 [2022-01-18 12:31:44,060 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:31:44,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 199 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:31:44,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68631 states. [2022-01-18 12:31:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68631 to 68631. [2022-01-18 12:31:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68631 states, 68630 states have (on average 3.6726358735246976) internal successors, (252053), 68630 states have internal predecessors, (252053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68631 states to 68631 states and 252053 transitions. [2022-01-18 12:31:46,667 INFO L78 Accepts]: Start accepts. Automaton has 68631 states and 252053 transitions. Word has length 110 [2022-01-18 12:31:46,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:31:46,668 INFO L470 AbstractCegarLoop]: Abstraction has 68631 states and 252053 transitions. [2022-01-18 12:31:46,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68631 states and 252053 transitions. [2022-01-18 12:31:46,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 12:31:46,770 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:31:46,770 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] [2022-01-18 12:31:46,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 12:31:46,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:31:46,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:31:46,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1397002065, now seen corresponding path program 1 times [2022-01-18 12:31:46,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:31:46,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239835746] [2022-01-18 12:31:46,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:31:46,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:31:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:31:46,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:31:46,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:31:46,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239835746] [2022-01-18 12:31:46,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239835746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:31:46,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:31:46,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 12:31:46,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837530732] [2022-01-18 12:31:46,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:31:46,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 12:31:46,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:31:46,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 12:31:46,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 12:31:46,934 INFO L87 Difference]: Start difference. First operand 68631 states and 252053 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:31:48,094 INFO L93 Difference]: Finished difference Result 150217 states and 555606 transitions. [2022-01-18 12:31:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 12:31:48,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2022-01-18 12:31:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:31:49,155 INFO L225 Difference]: With dead ends: 150217 [2022-01-18 12:31:49,155 INFO L226 Difference]: Without dead ends: 150217 [2022-01-18 12:31:49,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 12:31:49,156 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 362 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:31:49,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 421 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:31:49,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150217 states. [2022-01-18 12:31:51,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150217 to 73520. [2022-01-18 12:31:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73520 states, 73519 states have (on average 3.6684666548783307) internal successors, (269702), 73519 states have internal predecessors, (269702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73520 states to 73520 states and 269702 transitions. [2022-01-18 12:31:52,663 INFO L78 Accepts]: Start accepts. Automaton has 73520 states and 269702 transitions. Word has length 110 [2022-01-18 12:31:52,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:31:52,664 INFO L470 AbstractCegarLoop]: Abstraction has 73520 states and 269702 transitions. [2022-01-18 12:31:52,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 73520 states and 269702 transitions. [2022-01-18 12:31:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 12:31:52,730 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:31:52,730 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] [2022-01-18 12:31:52,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 12:31:52,731 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:31:52,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:31:52,731 INFO L85 PathProgramCache]: Analyzing trace with hash 716943695, now seen corresponding path program 1 times [2022-01-18 12:31:52,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:31:52,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848299386] [2022-01-18 12:31:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:31:52,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:31:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:31:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:31:52,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:31:52,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848299386] [2022-01-18 12:31:52,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848299386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:31:52,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:31:52,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 12:31:52,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16358268] [2022-01-18 12:31:52,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:31:52,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 12:31:52,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:31:52,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 12:31:52,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-01-18 12:31:52,917 INFO L87 Difference]: Start difference. First operand 73520 states and 269702 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:53,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:31:53,379 INFO L93 Difference]: Finished difference Result 73536 states and 269718 transitions. [2022-01-18 12:31:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 12:31:53,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2022-01-18 12:31:53,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:31:54,123 INFO L225 Difference]: With dead ends: 73536 [2022-01-18 12:31:54,123 INFO L226 Difference]: Without dead ends: 73526 [2022-01-18 12:31:54,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=59, Unknown=0, NotChecked=0, Total=110 [2022-01-18 12:31:54,124 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 354 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:31:54,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 558 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:31:54,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73526 states. [2022-01-18 12:31:55,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73526 to 73521. [2022-01-18 12:31:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73521 states, 73520 states have (on average 3.668430359085963) internal successors, (269703), 73520 states have internal predecessors, (269703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73521 states to 73521 states and 269703 transitions. [2022-01-18 12:31:56,316 INFO L78 Accepts]: Start accepts. Automaton has 73521 states and 269703 transitions. Word has length 110 [2022-01-18 12:31:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:31:56,317 INFO L470 AbstractCegarLoop]: Abstraction has 73521 states and 269703 transitions. [2022-01-18 12:31:56,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 73521 states and 269703 transitions. [2022-01-18 12:31:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 12:31:56,420 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:31:56,420 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] [2022-01-18 12:31:56,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 12:31:56,421 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:31:56,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:31:56,422 INFO L85 PathProgramCache]: Analyzing trace with hash 381180471, now seen corresponding path program 1 times [2022-01-18 12:31:56,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:31:56,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973783135] [2022-01-18 12:31:56,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:31:56,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:31:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:31:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:31:56,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:31:56,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973783135] [2022-01-18 12:31:56,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973783135] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:31:56,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702774593] [2022-01-18 12:31:56,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:31:56,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:31:56,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:31:56,537 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) [2022-01-18 12:31:56,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 12:31:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:31:56,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:31:56,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:31:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:31:56,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:31:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:31:57,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702774593] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:31:57,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:31:57,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 12:31:57,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594805668] [2022-01-18 12:31:57,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:31:57,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:31:57,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:31:57,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:31:57,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 12:31:57,149 INFO L87 Difference]: Start difference. First operand 73521 states and 269703 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:31:57,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:31:57,654 INFO L93 Difference]: Finished difference Result 75327 states and 276309 transitions. [2022-01-18 12:31:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 12:31:57,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 12:31:57,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:31:57,905 INFO L225 Difference]: With dead ends: 75327 [2022-01-18 12:31:57,905 INFO L226 Difference]: Without dead ends: 75327 [2022-01-18 12:31:57,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 226 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:31:57,906 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 442 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:31:57,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [442 Valid, 492 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:31:58,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75327 states. [2022-01-18 12:31:59,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75327 to 75327. [2022-01-18 12:31:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75327 states, 75326 states have (on average 3.6681756631176485) internal successors, (276309), 75326 states have internal predecessors, (276309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75327 states to 75327 states and 276309 transitions. [2022-01-18 12:32:00,180 INFO L78 Accepts]: Start accepts. Automaton has 75327 states and 276309 transitions. Word has length 117 [2022-01-18 12:32:00,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:00,180 INFO L470 AbstractCegarLoop]: Abstraction has 75327 states and 276309 transitions. [2022-01-18 12:32:00,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 75327 states and 276309 transitions. [2022-01-18 12:32:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-18 12:32:00,341 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:00,341 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] [2022-01-18 12:32:00,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-18 12:32:00,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:00,543 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:00,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:00,543 INFO L85 PathProgramCache]: Analyzing trace with hash 688108797, now seen corresponding path program 1 times [2022-01-18 12:32:00,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:00,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131569913] [2022-01-18 12:32:00,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:00,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:00,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:00,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131569913] [2022-01-18 12:32:00,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131569913] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:00,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950560966] [2022-01-18 12:32:00,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:00,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:00,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:00,677 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) [2022-01-18 12:32:00,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 12:32:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:00,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:32:00,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:01,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:32:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:01,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950560966] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:01,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:32:01,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-01-18 12:32:01,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358313243] [2022-01-18 12:32:01,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:01,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:32:01,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:01,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:32:01,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-01-18 12:32:01,687 INFO L87 Difference]: Start difference. First operand 75327 states and 276309 transitions. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:02,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:02,618 INFO L93 Difference]: Finished difference Result 140678 states and 517403 transitions. [2022-01-18 12:32:02,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:32:02,618 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 151 [2022-01-18 12:32:02,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:03,650 INFO L225 Difference]: With dead ends: 140678 [2022-01-18 12:32:03,650 INFO L226 Difference]: Without dead ends: 140678 [2022-01-18 12:32:03,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2022-01-18 12:32:03,651 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 1131 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:03,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1131 Valid, 1380 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:32:03,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140678 states. [2022-01-18 12:32:06,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140678 to 75831. [2022-01-18 12:32:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75831 states, 75830 states have (on average 3.6665172095476724) internal successors, (278032), 75830 states have internal predecessors, (278032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75831 states to 75831 states and 278032 transitions. [2022-01-18 12:32:06,709 INFO L78 Accepts]: Start accepts. Automaton has 75831 states and 278032 transitions. Word has length 151 [2022-01-18 12:32:06,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:06,709 INFO L470 AbstractCegarLoop]: Abstraction has 75831 states and 278032 transitions. [2022-01-18 12:32:06,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 75831 states and 278032 transitions. [2022-01-18 12:32:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-18 12:32:06,868 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:06,868 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] [2022-01-18 12:32:06,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 12:32:07,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:07,084 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:07,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:07,085 INFO L85 PathProgramCache]: Analyzing trace with hash -607509169, now seen corresponding path program 2 times [2022-01-18 12:32:07,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:07,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937499631] [2022-01-18 12:32:07,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:07,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:07,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:07,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937499631] [2022-01-18 12:32:07,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937499631] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:07,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695312342] [2022-01-18 12:32:07,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 12:32:07,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:07,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:07,179 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) [2022-01-18 12:32:07,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 12:32:07,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:32:07,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:32:07,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:32:07,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:07,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:32:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:07,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695312342] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:07,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:32:07,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 20 [2022-01-18 12:32:07,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435462471] [2022-01-18 12:32:07,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:07,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:32:07,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:07,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:32:07,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-01-18 12:32:07,880 INFO L87 Difference]: Start difference. First operand 75831 states and 278032 transitions. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:09,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:09,302 INFO L93 Difference]: Finished difference Result 147901 states and 543978 transitions. [2022-01-18 12:32:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:32:09,303 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 151 [2022-01-18 12:32:09,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:09,838 INFO L225 Difference]: With dead ends: 147901 [2022-01-18 12:32:09,838 INFO L226 Difference]: Without dead ends: 147901 [2022-01-18 12:32:09,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2022-01-18 12:32:09,839 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 1279 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:09,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1279 Valid, 899 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:32:10,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147901 states. [2022-01-18 12:32:12,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147901 to 76499. [2022-01-18 12:32:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76499 states, 76498 states have (on average 3.6695207717848835) internal successors, (280711), 76498 states have internal predecessors, (280711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76499 states to 76499 states and 280711 transitions. [2022-01-18 12:32:13,159 INFO L78 Accepts]: Start accepts. Automaton has 76499 states and 280711 transitions. Word has length 151 [2022-01-18 12:32:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:13,159 INFO L470 AbstractCegarLoop]: Abstraction has 76499 states and 280711 transitions. [2022-01-18 12:32:13,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 76499 states and 280711 transitions. [2022-01-18 12:32:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-18 12:32:13,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:13,742 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] [2022-01-18 12:32:13,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 12:32:13,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:13,942 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:13,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1890982803, now seen corresponding path program 3 times [2022-01-18 12:32:13,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:13,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065377540] [2022-01-18 12:32:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:13,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:14,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:14,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065377540] [2022-01-18 12:32:14,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065377540] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:14,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703841712] [2022-01-18 12:32:14,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 12:32:14,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:14,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:14,034 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) [2022-01-18 12:32:14,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 12:32:14,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-18 12:32:14,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:32:14,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:32:14,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:14,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:32:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:14,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703841712] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:14,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:32:14,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2022-01-18 12:32:14,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197614060] [2022-01-18 12:32:14,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:14,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:32:14,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:14,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:32:14,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-01-18 12:32:14,668 INFO L87 Difference]: Start difference. First operand 76499 states and 280711 transitions. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:16,637 INFO L93 Difference]: Finished difference Result 209986 states and 780033 transitions. [2022-01-18 12:32:16,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:32:16,638 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 151 [2022-01-18 12:32:16,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:17,507 INFO L225 Difference]: With dead ends: 209986 [2022-01-18 12:32:17,507 INFO L226 Difference]: Without dead ends: 209986 [2022-01-18 12:32:17,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2022-01-18 12:32:17,508 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 1367 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:17,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1367 Valid, 1083 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:32:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209986 states. [2022-01-18 12:32:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209986 to 76499. [2022-01-18 12:32:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76499 states, 76498 states have (on average 3.6695207717848835) internal successors, (280711), 76498 states have internal predecessors, (280711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76499 states to 76499 states and 280711 transitions. [2022-01-18 12:32:21,765 INFO L78 Accepts]: Start accepts. Automaton has 76499 states and 280711 transitions. Word has length 151 [2022-01-18 12:32:21,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:21,765 INFO L470 AbstractCegarLoop]: Abstraction has 76499 states and 280711 transitions. [2022-01-18 12:32:21,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 76499 states and 280711 transitions. [2022-01-18 12:32:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-18 12:32:22,034 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:22,034 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] [2022-01-18 12:32:22,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 12:32:22,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:22,251 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:22,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:22,251 INFO L85 PathProgramCache]: Analyzing trace with hash 583096381, now seen corresponding path program 4 times [2022-01-18 12:32:22,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:22,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440645952] [2022-01-18 12:32:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:22,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:22,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:22,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440645952] [2022-01-18 12:32:22,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440645952] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:22,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645533544] [2022-01-18 12:32:22,347 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-18 12:32:22,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:22,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:22,348 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) [2022-01-18 12:32:22,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 12:32:22,426 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-18 12:32:22,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:32:22,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:32:22,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:22,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:32:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:22,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645533544] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:22,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:32:22,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 20 [2022-01-18 12:32:22,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294552707] [2022-01-18 12:32:22,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:22,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:32:22,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:22,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:32:22,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2022-01-18 12:32:22,990 INFO L87 Difference]: Start difference. First operand 76499 states and 280711 transitions. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:23,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:23,771 INFO L93 Difference]: Finished difference Result 107125 states and 395226 transitions. [2022-01-18 12:32:23,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 12:32:23,771 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 151 [2022-01-18 12:32:23,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:24,694 INFO L225 Difference]: With dead ends: 107125 [2022-01-18 12:32:24,695 INFO L226 Difference]: Without dead ends: 107125 [2022-01-18 12:32:24,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2022-01-18 12:32:24,695 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 984 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:24,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [984 Valid, 990 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:32:24,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107125 states. [2022-01-18 12:32:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107125 to 76499. [2022-01-18 12:32:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76499 states, 76498 states have (on average 3.6695207717848835) internal successors, (280711), 76498 states have internal predecessors, (280711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76499 states to 76499 states and 280711 transitions. [2022-01-18 12:32:26,970 INFO L78 Accepts]: Start accepts. Automaton has 76499 states and 280711 transitions. Word has length 151 [2022-01-18 12:32:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:26,970 INFO L470 AbstractCegarLoop]: Abstraction has 76499 states and 280711 transitions. [2022-01-18 12:32:26,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 76499 states and 280711 transitions. [2022-01-18 12:32:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-18 12:32:27,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:27,613 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] [2022-01-18 12:32:27,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-18 12:32:27,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:27,829 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1213378943, now seen corresponding path program 5 times [2022-01-18 12:32:27,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:27,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033455742] [2022-01-18 12:32:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:27,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:27,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:27,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033455742] [2022-01-18 12:32:27,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033455742] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:27,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387820506] [2022-01-18 12:32:27,913 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 12:32:27,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:27,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:27,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:32:27,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 12:32:28,001 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:32:28,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:32:28,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:32:28,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:32:28,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 12:32:28,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387820506] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:32:28,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 12:32:28,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2022-01-18 12:32:28,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689459008] [2022-01-18 12:32:28,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:28,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:32:28,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:28,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:32:28,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-01-18 12:32:28,208 INFO L87 Difference]: Start difference. First operand 76499 states and 280711 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:30,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:30,626 INFO L93 Difference]: Finished difference Result 302945 states and 1132054 transitions. [2022-01-18 12:32:30,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:32:30,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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 151 [2022-01-18 12:32:30,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:32,540 INFO L225 Difference]: With dead ends: 302945 [2022-01-18 12:32:32,541 INFO L226 Difference]: Without dead ends: 302945 [2022-01-18 12:32:32,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-01-18 12:32:32,541 INFO L933 BasicCegarLoop]: 512 mSDtfsCounter, 845 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:32,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [845 Valid, 1941 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 12:32:33,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302945 states. [2022-01-18 12:32:36,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302945 to 76658. [2022-01-18 12:32:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76658 states, 76657 states have (on average 3.6717847032886755) internal successors, (281468), 76657 states have internal predecessors, (281468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76658 states to 76658 states and 281468 transitions. [2022-01-18 12:32:37,679 INFO L78 Accepts]: Start accepts. Automaton has 76658 states and 281468 transitions. Word has length 151 [2022-01-18 12:32:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:37,679 INFO L470 AbstractCegarLoop]: Abstraction has 76658 states and 281468 transitions. [2022-01-18 12:32:37,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 76658 states and 281468 transitions. [2022-01-18 12:32:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-18 12:32:37,864 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:37,864 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] [2022-01-18 12:32:37,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-18 12:32:38,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:38,080 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash -127390243, now seen corresponding path program 6 times [2022-01-18 12:32:38,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:38,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060628285] [2022-01-18 12:32:38,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:38,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:38,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:38,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060628285] [2022-01-18 12:32:38,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060628285] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:38,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246163464] [2022-01-18 12:32:38,168 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-18 12:32:38,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:38,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:32:38,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-18 12:32:38,257 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2022-01-18 12:32:38,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:32:38,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:32:38,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:38,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:38,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:32:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:38,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246163464] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:38,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:32:38,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-01-18 12:32:38,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477599849] [2022-01-18 12:32:38,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:38,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:32:38,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:38,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:32:38,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-01-18 12:32:38,727 INFO L87 Difference]: Start difference. First operand 76658 states and 281468 transitions. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:39,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:39,439 INFO L93 Difference]: Finished difference Result 102735 states and 379641 transitions. [2022-01-18 12:32:39,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:32:39,440 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 151 [2022-01-18 12:32:39,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:40,352 INFO L225 Difference]: With dead ends: 102735 [2022-01-18 12:32:40,352 INFO L226 Difference]: Without dead ends: 102735 [2022-01-18 12:32:40,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2022-01-18 12:32:40,353 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 685 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:40,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [685 Valid, 1394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:32:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102735 states. [2022-01-18 12:32:42,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102735 to 76157. [2022-01-18 12:32:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76157 states, 76156 states have (on average 3.666815484006513) internal successors, (279250), 76156 states have internal predecessors, (279250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76157 states to 76157 states and 279250 transitions. [2022-01-18 12:32:42,596 INFO L78 Accepts]: Start accepts. Automaton has 76157 states and 279250 transitions. Word has length 151 [2022-01-18 12:32:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:42,596 INFO L470 AbstractCegarLoop]: Abstraction has 76157 states and 279250 transitions. [2022-01-18 12:32:42,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 76157 states and 279250 transitions. [2022-01-18 12:32:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-01-18 12:32:42,759 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:42,759 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] [2022-01-18 12:32:42,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-18 12:32:42,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:42,960 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:42,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:42,960 INFO L85 PathProgramCache]: Analyzing trace with hash 272030825, now seen corresponding path program 7 times [2022-01-18 12:32:42,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:42,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121515184] [2022-01-18 12:32:42,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:42,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:32:43,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:43,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121515184] [2022-01-18 12:32:43,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121515184] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:43,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057192811] [2022-01-18 12:32:43,031 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-18 12:32:43,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:43,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:43,032 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:32:43,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-18 12:32:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:32:43,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:32:43,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:32:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:32:44,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057192811] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:44,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:32:44,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2022-01-18 12:32:44,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511771454] [2022-01-18 12:32:44,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:44,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:32:44,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:44,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:32:44,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-01-18 12:32:44,083 INFO L87 Difference]: Start difference. First operand 76157 states and 279250 transitions. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:45,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:45,142 INFO L93 Difference]: Finished difference Result 158640 states and 592216 transitions. [2022-01-18 12:32:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 12:32:45,143 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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 151 [2022-01-18 12:32:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:46,388 INFO L225 Difference]: With dead ends: 158640 [2022-01-18 12:32:46,388 INFO L226 Difference]: Without dead ends: 158640 [2022-01-18 12:32:46,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2022-01-18 12:32:46,389 INFO L933 BasicCegarLoop]: 491 mSDtfsCounter, 733 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:46,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 1228 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:32:46,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158640 states. [2022-01-18 12:32:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158640 to 73813. [2022-01-18 12:32:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73813 states, 73812 states have (on average 3.666558283205983) internal successors, (270636), 73812 states have internal predecessors, (270636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73813 states to 73813 states and 270636 transitions. [2022-01-18 12:32:49,568 INFO L78 Accepts]: Start accepts. Automaton has 73813 states and 270636 transitions. Word has length 151 [2022-01-18 12:32:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:49,568 INFO L470 AbstractCegarLoop]: Abstraction has 73813 states and 270636 transitions. [2022-01-18 12:32:49,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 73813 states and 270636 transitions. [2022-01-18 12:32:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:32:49,738 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:49,738 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] [2022-01-18 12:32:49,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-18 12:32:49,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-01-18 12:32:49,952 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:49,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:49,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1513123170, now seen corresponding path program 1 times [2022-01-18 12:32:49,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:49,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442422763] [2022-01-18 12:32:49,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:49,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:32:50,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:50,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442422763] [2022-01-18 12:32:50,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442422763] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:50,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724049658] [2022-01-18 12:32:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:50,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:50,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:50,025 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:32:50,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-18 12:32:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:50,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 26 conjunts are in the unsatisfiable core [2022-01-18 12:32:50,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:50,547 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 52 treesize of output 20 [2022-01-18 12:32:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:32:51,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:32:51,196 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 40 [2022-01-18 12:32:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:32:51,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724049658] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:51,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:32:51,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 7] total 11 [2022-01-18 12:32:51,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410645310] [2022-01-18 12:32:51,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:32:51,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 12:32:51,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:32:51,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 12:32:51,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-01-18 12:32:51,378 INFO L87 Difference]: Start difference. First operand 73813 states and 270636 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:52,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:32:52,526 INFO L93 Difference]: Finished difference Result 128174 states and 471637 transitions. [2022-01-18 12:32:52,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 12:32:52,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 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 156 [2022-01-18 12:32:52,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:32:52,986 INFO L225 Difference]: With dead ends: 128174 [2022-01-18 12:32:52,986 INFO L226 Difference]: Without dead ends: 128174 [2022-01-18 12:32:52,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 305 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2022-01-18 12:32:52,987 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 402 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:32:52,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 554 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:32:53,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128174 states. [2022-01-18 12:32:55,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128174 to 79183. [2022-01-18 12:32:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79183 states, 79182 states have (on average 3.672337147331464) internal successors, (290783), 79182 states have internal predecessors, (290783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79183 states to 79183 states and 290783 transitions. [2022-01-18 12:32:55,964 INFO L78 Accepts]: Start accepts. Automaton has 79183 states and 290783 transitions. Word has length 156 [2022-01-18 12:32:55,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:32:55,964 INFO L470 AbstractCegarLoop]: Abstraction has 79183 states and 290783 transitions. [2022-01-18 12:32:55,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:32:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 79183 states and 290783 transitions. [2022-01-18 12:32:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:32:56,147 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:32:56,148 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] [2022-01-18 12:32:56,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-18 12:32:56,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:56,364 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:32:56,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:32:56,365 INFO L85 PathProgramCache]: Analyzing trace with hash 833064800, now seen corresponding path program 1 times [2022-01-18 12:32:56,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:32:56,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79996364] [2022-01-18 12:32:56,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:56,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:32:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:32:57,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:32:57,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79996364] [2022-01-18 12:32:57,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79996364] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:32:57,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321949975] [2022-01-18 12:32:57,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:32:57,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:32:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:32:57,288 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:32:57,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-18 12:32:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:32:57,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 70 conjunts are in the unsatisfiable core [2022-01-18 12:32:57,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:32:57,478 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 [2022-01-18 12:32:57,525 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 12:32:57,526 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-01-18 12:32:57,571 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 12:32:57,571 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-01-18 12:32:58,057 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-01-18 12:32:58,057 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 20 treesize of output 30 [2022-01-18 12:32:58,299 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 12:32:58,761 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-01-18 12:32:58,917 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:32:59,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-01-18 12:32:59,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:32:59,910 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-01-18 12:32:59,910 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 19 [2022-01-18 12:33:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:33:00,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:33:01,217 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_370 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_370) c_~A~0.base))) (let ((.cse0 (+ c_~mts3~0 (select .cse1 (+ c_~A~0.offset (* ~M~0 4)))))) (or (< .cse0 0) (not (< ~M~0 c_~N~0)) (= .cse0 0) (<= 0 (+ c_~mts1~0 (select .cse1 (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset)))) (< (+ ~M~0 1) c_~N~0))))) is different from false [2022-01-18 12:33:01,516 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_369 (Array Int Int)) (~M~0 Int) (v_ArrVal_370 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_369) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_370) c_~A~0.base))) (let ((.cse0 (+ c_~mts3~0 (select .cse1 (+ c_~A~0.offset (* ~M~0 4)))))) (or (not (< ~M~0 c_~N~0)) (< .cse0 0) (<= 0 (+ (select .cse1 (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset)) c_~mts1~0)) (= .cse0 0) (< (+ ~M~0 1) c_~N~0))))) is different from false [2022-01-18 12:33:01,626 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_369 (Array Int Int)) (~M~0 Int) (v_ArrVal_370 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_369) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_370) c_~A~0.base))) (let ((.cse1 (+ c_~mts3~0 (select .cse0 (+ c_~A~0.offset (* ~M~0 4)))))) (or (<= 0 (+ c_~mts1~0 (select .cse0 c_~A~0.offset))) (not (< ~M~0 c_~N~0)) (< .cse1 0) (= .cse1 0) (< (+ ~M~0 1) c_~N~0))))) is different from false [2022-01-18 12:33:01,751 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_369 (Array Int Int)) (~M~0 Int) (v_ArrVal_370 (Array Int Int)) (v_ArrVal_368 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_369) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_370) c_~A~0.base))) (let ((.cse1 (+ (select .cse0 (+ c_~A~0.offset (* ~M~0 4))) c_~mts3~0))) (or (not (< ~M~0 c_~N~0)) (<= 0 (+ c_~mts1~0 (select .cse0 c_~A~0.offset))) (= .cse1 0) (< .cse1 0) (< (+ ~M~0 1) c_~N~0))))) is different from false [2022-01-18 12:33:02,067 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_369 (Array Int Int)) (~M~0 Int) (v_ArrVal_370 (Array Int Int)) (v_ArrVal_368 (Array Int Int))) (let ((.cse1 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_369) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_370) |c_ULTIMATE.start_main_#t~ret20#1.base|))) (let ((.cse0 (+ c_~mts3~0 (select .cse1 (+ |c_ULTIMATE.start_main_#t~ret20#1.offset| (* ~M~0 4)))))) (or (= .cse0 0) (not (< ~M~0 c_~N~0)) (<= 0 (+ (select .cse1 |c_ULTIMATE.start_main_#t~ret20#1.offset|) c_~mts1~0)) (< .cse0 0) (< (+ ~M~0 1) c_~N~0))))) is different from false [2022-01-18 12:33:02,133 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_369 (Array Int Int)) (~M~0 Int) (v_ArrVal_370 (Array Int Int)) (v_ArrVal_368 (Array Int Int))) (let ((.cse1 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_369) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_370) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse0 (+ c_~mts3~0 (select .cse1 (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))) (or (= .cse0 0) (not (< ~M~0 c_~N~0)) (< .cse0 0) (<= 0 (+ c_~mts1~0 (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (< (+ ~M~0 1) c_~N~0))))) is different from false [2022-01-18 12:33:02,167 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_369 (Array Int Int)) (~M~0 Int) (v_ArrVal_370 (Array Int Int)) (v_ArrVal_368 (Array Int Int))) (let ((.cse1 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_369) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_370) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse0 (+ c_~mts3~0 (select .cse1 (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) (or (= .cse0 0) (not (< ~M~0 c_~N~0)) (<= 0 (+ (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~mts1~0)) (< .cse0 0) (< (+ ~M~0 1) c_~N~0))))) is different from false [2022-01-18 12:33:02,585 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:33:02,585 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 75 [2022-01-18 12:33:02,595 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:33:02,596 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 446 treesize of output 438 [2022-01-18 12:33:02,609 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:33:02,609 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 426 treesize of output 382 [2022-01-18 12:33:02,625 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:33:02,625 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 191 treesize of output 189 [2022-01-18 12:33:02,637 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:33:02,637 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 356 treesize of output 340 [2022-01-18 12:33:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-01-18 12:33:10,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321949975] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:33:10,641 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:33:10,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 40, 40] total 103 [2022-01-18 12:33:10,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267537455] [2022-01-18 12:33:10,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:33:10,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-01-18 12:33:10,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:33:10,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-01-18 12:33:10,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1021, Invalid=8116, Unknown=11, NotChecked=1358, Total=10506 [2022-01-18 12:33:10,644 INFO L87 Difference]: Start difference. First operand 79183 states and 290783 transitions. Second operand has 103 states, 103 states have (on average 4.077669902912621) internal successors, (420), 103 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:33:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:33:50,310 INFO L93 Difference]: Finished difference Result 1062481 states and 3847097 transitions. [2022-01-18 12:33:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-01-18 12:33:50,310 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 4.077669902912621) internal successors, (420), 103 states have internal predecessors, (420), 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 156 [2022-01-18 12:33:50,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:33:57,089 INFO L225 Difference]: With dead ends: 1062481 [2022-01-18 12:33:57,090 INFO L226 Difference]: Without dead ends: 1062117 [2022-01-18 12:33:57,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 255 SyntacticMatches, 14 SemanticMatches, 314 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 31944 ImplicationChecksByTransitivity, 24.7s TimeCoverageRelationStatistics Valid=18056, Invalid=77133, Unknown=11, NotChecked=4340, Total=99540 [2022-01-18 12:33:57,121 INFO L933 BasicCegarLoop]: 852 mSDtfsCounter, 22868 mSDsluCounter, 55810 mSDsCounter, 0 mSdLazyCounter, 12127 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22868 SdHoareTripleChecker+Valid, 54611 SdHoareTripleChecker+Invalid, 34836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 12127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22426 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:33:57,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22868 Valid, 54611 Invalid, 34836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [283 Valid, 12127 Invalid, 0 Unknown, 22426 Unchecked, 5.0s Time] [2022-01-18 12:33:59,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062117 states. [2022-01-18 12:34:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062117 to 135975. [2022-01-18 12:34:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135975 states, 135974 states have (on average 3.6711944930648506) internal successors, (499187), 135974 states have internal predecessors, (499187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:34:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135975 states to 135975 states and 499187 transitions. [2022-01-18 12:34:15,814 INFO L78 Accepts]: Start accepts. Automaton has 135975 states and 499187 transitions. Word has length 156 [2022-01-18 12:34:15,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:34:15,814 INFO L470 AbstractCegarLoop]: Abstraction has 135975 states and 499187 transitions. [2022-01-18 12:34:15,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.077669902912621) internal successors, (420), 103 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:34:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 135975 states and 499187 transitions. [2022-01-18 12:34:16,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:34:16,125 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:34:16,126 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] [2022-01-18 12:34:16,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-18 12:34:16,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-01-18 12:34:16,327 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:34:16,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:34:16,327 INFO L85 PathProgramCache]: Analyzing trace with hash 717042158, now seen corresponding path program 2 times [2022-01-18 12:34:16,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:34:16,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335949985] [2022-01-18 12:34:16,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:34:16,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:34:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:34:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:34:17,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:34:17,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335949985] [2022-01-18 12:34:17,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335949985] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:34:17,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312066055] [2022-01-18 12:34:17,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 12:34:17,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:34:17,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:34:17,097 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:34:17,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-18 12:34:17,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:34:17,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:34:17,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 46 conjunts are in the unsatisfiable core [2022-01-18 12:34:17,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:34:18,553 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:34:18,645 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:34:18,645 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 12:34:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:34:19,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:34:19,780 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:34:19,780 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-01-18 12:34:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:34:20,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312066055] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:34:20,622 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:34:20,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 28] total 84 [2022-01-18 12:34:20,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187679502] [2022-01-18 12:34:20,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:34:20,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-01-18 12:34:20,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:34:20,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-01-18 12:34:20,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=858, Invalid=6114, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 12:34:20,624 INFO L87 Difference]: Start difference. First operand 135975 states and 499187 transitions. Second operand has 84 states, 84 states have (on average 5.011904761904762) internal successors, (421), 84 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:34:40,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:34:40,089 INFO L93 Difference]: Finished difference Result 484834 states and 1767956 transitions. [2022-01-18 12:34:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2022-01-18 12:34:40,103 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 5.011904761904762) internal successors, (421), 84 states have internal predecessors, (421), 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 156 [2022-01-18 12:34:40,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:34:42,355 INFO L225 Difference]: With dead ends: 484834 [2022-01-18 12:34:42,356 INFO L226 Difference]: Without dead ends: 484530 [2022-01-18 12:34:42,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 263 SyntacticMatches, 7 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25663 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=10216, Invalid=56090, Unknown=0, NotChecked=0, Total=66306 [2022-01-18 12:34:42,358 INFO L933 BasicCegarLoop]: 505 mSDtfsCounter, 12205 mSDsluCounter, 25873 mSDsCounter, 0 mSdLazyCounter, 6487 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12205 SdHoareTripleChecker+Valid, 25628 SdHoareTripleChecker+Invalid, 8693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 6487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2008 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-18 12:34:42,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12205 Valid, 25628 Invalid, 8693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [198 Valid, 6487 Invalid, 0 Unknown, 2008 Unchecked, 2.5s Time] [2022-01-18 12:34:43,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484530 states. [2022-01-18 12:34:51,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484530 to 136655. [2022-01-18 12:34:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136655 states, 136654 states have (on average 3.671703718881262) internal successors, (501753), 136654 states have internal predecessors, (501753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:34:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136655 states to 136655 states and 501753 transitions. [2022-01-18 12:34:52,352 INFO L78 Accepts]: Start accepts. Automaton has 136655 states and 501753 transitions. Word has length 156 [2022-01-18 12:34:52,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:34:52,352 INFO L470 AbstractCegarLoop]: Abstraction has 136655 states and 501753 transitions. [2022-01-18 12:34:52,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.011904761904762) internal successors, (421), 84 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:34:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 136655 states and 501753 transitions. [2022-01-18 12:34:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:34:52,685 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:34:52,685 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] [2022-01-18 12:34:52,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-18 12:34:52,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-18 12:34:52,886 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:34:52,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:34:52,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1814047236, now seen corresponding path program 3 times [2022-01-18 12:34:52,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:34:52,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788051885] [2022-01-18 12:34:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:34:52,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:34:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:34:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:34:53,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:34:53,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788051885] [2022-01-18 12:34:53,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788051885] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:34:53,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45546026] [2022-01-18 12:34:53,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 12:34:53,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:34:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:34:53,940 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:34:53,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-18 12:34:54,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-18 12:34:54,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:34:54,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 40 conjunts are in the unsatisfiable core [2022-01-18 12:34:54,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:34:54,617 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:34:54,716 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:34:54,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2022-01-18 12:34:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:34:55,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:34:56,408 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:34:56,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-01-18 12:34:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:34:56,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45546026] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:34:56,894 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:34:56,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 25, 25] total 79 [2022-01-18 12:34:56,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873542791] [2022-01-18 12:34:56,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:34:56,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-01-18 12:34:56,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:34:56,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-01-18 12:34:56,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=892, Invalid=5270, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 12:34:56,896 INFO L87 Difference]: Start difference. First operand 136655 states and 501753 transitions. Second operand has 79 states, 79 states have (on average 5.30379746835443) internal successors, (419), 79 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:35:23,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:35:23,773 INFO L93 Difference]: Finished difference Result 492831 states and 1792942 transitions. [2022-01-18 12:35:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2022-01-18 12:35:23,774 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 79 states have (on average 5.30379746835443) internal successors, (419), 79 states have internal predecessors, (419), 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 156 [2022-01-18 12:35:23,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:35:26,598 INFO L225 Difference]: With dead ends: 492831 [2022-01-18 12:35:26,599 INFO L226 Difference]: Without dead ends: 492375 [2022-01-18 12:35:26,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 282 SyntacticMatches, 7 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42029 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=15643, Invalid=85163, Unknown=0, NotChecked=0, Total=100806 [2022-01-18 12:35:26,604 INFO L933 BasicCegarLoop]: 484 mSDtfsCounter, 12381 mSDsluCounter, 25299 mSDsCounter, 0 mSdLazyCounter, 7759 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12381 SdHoareTripleChecker+Valid, 25098 SdHoareTripleChecker+Invalid, 9906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 7759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1942 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:35:26,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12381 Valid, 25098 Invalid, 9906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [205 Valid, 7759 Invalid, 0 Unknown, 1942 Unchecked, 3.1s Time] [2022-01-18 12:35:27,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492375 states. [2022-01-18 12:35:34,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492375 to 136679. [2022-01-18 12:35:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136679 states, 136678 states have (on average 3.6717467331977347) internal successors, (501847), 136678 states have internal predecessors, (501847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:35:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136679 states to 136679 states and 501847 transitions. [2022-01-18 12:35:35,936 INFO L78 Accepts]: Start accepts. Automaton has 136679 states and 501847 transitions. Word has length 156 [2022-01-18 12:35:35,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:35:35,936 INFO L470 AbstractCegarLoop]: Abstraction has 136679 states and 501847 transitions. [2022-01-18 12:35:35,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.30379746835443) internal successors, (419), 79 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:35:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 136679 states and 501847 transitions. [2022-01-18 12:35:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:35:36,255 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:35:36,255 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] [2022-01-18 12:35:36,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-01-18 12:35:36,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-18 12:35:36,457 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:35:36,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:35:36,457 INFO L85 PathProgramCache]: Analyzing trace with hash 690851452, now seen corresponding path program 4 times [2022-01-18 12:35:36,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:35:36,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688396613] [2022-01-18 12:35:36,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:35:36,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:35:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:35:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:35:37,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:35:37,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688396613] [2022-01-18 12:35:37,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688396613] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:35:37,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494824924] [2022-01-18 12:35:37,156 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-18 12:35:37,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:35:37,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:35:37,157 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:35:37,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-18 12:35:37,252 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-18 12:35:37,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:35:37,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 50 conjunts are in the unsatisfiable core [2022-01-18 12:35:37,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:35:38,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:35:38,884 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:35:38,884 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 12:35:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:35:39,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:35:40,321 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:35:40,322 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-01-18 12:35:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:35:41,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494824924] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:35:41,236 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:35:41,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 30] total 87 [2022-01-18 12:35:41,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419486365] [2022-01-18 12:35:41,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:35:41,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-01-18 12:35:41,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:35:41,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-01-18 12:35:41,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=829, Invalid=6653, Unknown=0, NotChecked=0, Total=7482 [2022-01-18 12:35:41,238 INFO L87 Difference]: Start difference. First operand 136679 states and 501847 transitions. Second operand has 87 states, 87 states have (on average 4.816091954022989) internal successors, (419), 87 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:36:37,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:36:37,816 INFO L93 Difference]: Finished difference Result 1231891 states and 4470979 transitions. [2022-01-18 12:36:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-01-18 12:36:37,817 INFO L78 Accepts]: Start accepts. Automaton has has 87 states, 87 states have (on average 4.816091954022989) internal successors, (419), 87 states have internal predecessors, (419), 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 156 [2022-01-18 12:36:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:36:45,142 INFO L225 Difference]: With dead ends: 1231891 [2022-01-18 12:36:45,142 INFO L226 Difference]: Without dead ends: 1231435 [2022-01-18 12:36:45,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 261 SyntacticMatches, 32 SemanticMatches, 456 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97423 ImplicationChecksByTransitivity, 34.0s TimeCoverageRelationStatistics Valid=34600, Invalid=174706, Unknown=0, NotChecked=0, Total=209306 [2022-01-18 12:36:45,151 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 33494 mSDsluCounter, 65736 mSDsCounter, 0 mSdLazyCounter, 10699 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33494 SdHoareTripleChecker+Valid, 65515 SdHoareTripleChecker+Invalid, 20072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 10699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8953 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-01-18 12:36:45,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33494 Valid, 65515 Invalid, 20072 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [420 Valid, 10699 Invalid, 0 Unknown, 8953 Unchecked, 4.3s Time] [2022-01-18 12:36:47,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231435 states. [2022-01-18 12:37:04,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231435 to 146437. [2022-01-18 12:37:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146437 states, 146436 states have (on average 3.710836133191292) internal successors, (543400), 146436 states have internal predecessors, (543400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:37:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146437 states to 146437 states and 543400 transitions. [2022-01-18 12:37:06,259 INFO L78 Accepts]: Start accepts. Automaton has 146437 states and 543400 transitions. Word has length 156 [2022-01-18 12:37:06,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:37:06,259 INFO L470 AbstractCegarLoop]: Abstraction has 146437 states and 543400 transitions. [2022-01-18 12:37:06,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 4.816091954022989) internal successors, (419), 87 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:37:06,259 INFO L276 IsEmpty]: Start isEmpty. Operand 146437 states and 543400 transitions. [2022-01-18 12:37:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:37:06,597 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:37:06,597 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] [2022-01-18 12:37:06,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-18 12:37:06,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-18 12:37:06,798 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:37:06,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:37:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1412418082, now seen corresponding path program 5 times [2022-01-18 12:37:06,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:37:06,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374263149] [2022-01-18 12:37:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:37:06,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:37:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:37:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:37:07,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:37:07,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374263149] [2022-01-18 12:37:07,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374263149] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:37:07,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451755629] [2022-01-18 12:37:07,328 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 12:37:07,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:37:07,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:37:07,329 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:37:07,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-18 12:37:07,428 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-01-18 12:37:07,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:37:07,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-18 12:37:07,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:37:08,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:37:08,769 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:37:08,770 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 12:37:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:37:09,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:37:10,043 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:37:10,043 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-01-18 12:37:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:37:10,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451755629] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:37:10,531 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:37:10,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 25] total 74 [2022-01-18 12:37:10,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128736040] [2022-01-18 12:37:10,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:37:10,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-01-18 12:37:10,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:37:10,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-01-18 12:37:10,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=647, Invalid=4755, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 12:37:10,533 INFO L87 Difference]: Start difference. First operand 146437 states and 543400 transitions. Second operand has 74 states, 74 states have (on average 5.648648648648648) internal successors, (418), 74 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:37:26,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:37:26,282 INFO L93 Difference]: Finished difference Result 477631 states and 1738389 transitions. [2022-01-18 12:37:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-01-18 12:37:26,282 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 74 states have (on average 5.648648648648648) internal successors, (418), 74 states have internal predecessors, (418), 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 156 [2022-01-18 12:37:26,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:37:28,417 INFO L225 Difference]: With dead ends: 477631 [2022-01-18 12:37:28,418 INFO L226 Difference]: Without dead ends: 477033 [2022-01-18 12:37:28,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 276 SyntacticMatches, 5 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17607 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=7461, Invalid=43389, Unknown=0, NotChecked=0, Total=50850 [2022-01-18 12:37:28,420 INFO L933 BasicCegarLoop]: 573 mSDtfsCounter, 10399 mSDsluCounter, 24452 mSDsCounter, 0 mSdLazyCounter, 6300 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10399 SdHoareTripleChecker+Valid, 24345 SdHoareTripleChecker+Invalid, 8398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 6300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1891 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-18 12:37:28,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10399 Valid, 24345 Invalid, 8398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 6300 Invalid, 0 Unknown, 1891 Unchecked, 2.4s Time] [2022-01-18 12:37:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477033 states. [2022-01-18 12:37:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477033 to 148185. [2022-01-18 12:37:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148185 states, 148184 states have (on average 3.712506073530206) internal successors, (550134), 148184 states have internal predecessors, (550134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:37:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148185 states to 148185 states and 550134 transitions. [2022-01-18 12:37:38,799 INFO L78 Accepts]: Start accepts. Automaton has 148185 states and 550134 transitions. Word has length 156 [2022-01-18 12:37:38,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:37:38,799 INFO L470 AbstractCegarLoop]: Abstraction has 148185 states and 550134 transitions. [2022-01-18 12:37:38,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.648648648648648) internal successors, (418), 74 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:37:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 148185 states and 550134 transitions. [2022-01-18 12:37:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:37:39,126 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:37:39,126 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] [2022-01-18 12:37:39,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-01-18 12:37:39,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:37:39,327 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:37:39,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:37:39,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1363717384, now seen corresponding path program 6 times [2022-01-18 12:37:39,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:37:39,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028370355] [2022-01-18 12:37:39,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:37:39,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:37:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:37:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:37:40,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:37:40,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028370355] [2022-01-18 12:37:40,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028370355] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:37:40,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076362910] [2022-01-18 12:37:40,497 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-18 12:37:40,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:37:40,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:37:40,498 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:37:40,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-18 12:37:40,592 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-01-18 12:37:40,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:37:40,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 46 conjunts are in the unsatisfiable core [2022-01-18 12:37:40,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:37:41,532 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:37:41,533 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2022-01-18 12:37:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:37:42,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:37:43,140 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:37:43,140 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-01-18 12:37:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:37:43,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076362910] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:37:43,683 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:37:43,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 25] total 76 [2022-01-18 12:37:43,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80155748] [2022-01-18 12:37:43,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:37:43,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-01-18 12:37:43,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:37:43,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-01-18 12:37:43,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=611, Invalid=5089, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 12:37:43,685 INFO L87 Difference]: Start difference. First operand 148185 states and 550134 transitions. Second operand has 76 states, 76 states have (on average 5.565789473684211) internal successors, (423), 76 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:38:30,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:38:30,205 INFO L93 Difference]: Finished difference Result 1059229 states and 3943840 transitions. [2022-01-18 12:38:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-01-18 12:38:30,205 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 5.565789473684211) internal successors, (423), 76 states have internal predecessors, (423), 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 156 [2022-01-18 12:38:30,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:38:36,737 INFO L225 Difference]: With dead ends: 1059229 [2022-01-18 12:38:36,737 INFO L226 Difference]: Without dead ends: 1058919 [2022-01-18 12:38:36,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 276 SyntacticMatches, 20 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69353 ImplicationChecksByTransitivity, 26.9s TimeCoverageRelationStatistics Valid=31356, Invalid=129846, Unknown=0, NotChecked=0, Total=161202 [2022-01-18 12:38:36,743 INFO L933 BasicCegarLoop]: 1189 mSDtfsCounter, 20642 mSDsluCounter, 52918 mSDsCounter, 0 mSdLazyCounter, 12344 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20642 SdHoareTripleChecker+Valid, 53312 SdHoareTripleChecker+Invalid, 17028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 12344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4377 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-01-18 12:38:36,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20642 Valid, 53312 Invalid, 17028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [307 Valid, 12344 Invalid, 0 Unknown, 4377 Unchecked, 4.7s Time] [2022-01-18 12:38:39,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058919 states. [2022-01-18 12:38:57,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058919 to 253051. [2022-01-18 12:38:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253051 states, 253050 states have (on average 3.7856352499506025) internal successors, (957955), 253050 states have internal predecessors, (957955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:38:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253051 states to 253051 states and 957955 transitions. [2022-01-18 12:38:59,279 INFO L78 Accepts]: Start accepts. Automaton has 253051 states and 957955 transitions. Word has length 156 [2022-01-18 12:38:59,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:38:59,279 INFO L470 AbstractCegarLoop]: Abstraction has 253051 states and 957955 transitions. [2022-01-18 12:38:59,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.565789473684211) internal successors, (423), 76 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:38:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 253051 states and 957955 transitions. [2022-01-18 12:38:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:38:59,929 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:38:59,929 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] [2022-01-18 12:38:59,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-01-18 12:39:00,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-18 12:39:00,132 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:39:00,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:39:00,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1473268880, now seen corresponding path program 7 times [2022-01-18 12:39:00,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:39:00,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890400821] [2022-01-18 12:39:00,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:39:00,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:39:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:39:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:39:00,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:39:00,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890400821] [2022-01-18 12:39:00,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890400821] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:39:00,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589491482] [2022-01-18 12:39:00,825 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-18 12:39:00,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:39:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:39:00,826 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:39:00,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-18 12:39:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:39:00,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 48 conjunts are in the unsatisfiable core [2022-01-18 12:39:00,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:39:02,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-18 12:39:02,396 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:39:02,396 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2022-01-18 12:39:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:39:02,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:39:03,223 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:39:03,223 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-01-18 12:39:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:39:03,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589491482] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:39:03,987 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:39:03,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 28] total 84 [2022-01-18 12:39:03,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999380772] [2022-01-18 12:39:03,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:39:03,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-01-18 12:39:03,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:39:03,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-01-18 12:39:03,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=6231, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 12:39:03,989 INFO L87 Difference]: Start difference. First operand 253051 states and 957955 transitions. Second operand has 84 states, 84 states have (on average 5.0) internal successors, (420), 84 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:39:51,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:39:51,183 INFO L93 Difference]: Finished difference Result 1867084 states and 6984981 transitions. [2022-01-18 12:39:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2022-01-18 12:39:51,184 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 5.0) internal successors, (420), 84 states have internal predecessors, (420), 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 156 [2022-01-18 12:39:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:40:11,165 INFO L225 Difference]: With dead ends: 1867084 [2022-01-18 12:40:11,165 INFO L226 Difference]: Without dead ends: 1866780 [2022-01-18 12:40:11,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 266 SyntacticMatches, 35 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58865 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=20539, Invalid=104423, Unknown=0, NotChecked=0, Total=124962 [2022-01-18 12:40:11,170 INFO L933 BasicCegarLoop]: 810 mSDtfsCounter, 25484 mSDsluCounter, 59785 mSDsCounter, 0 mSdLazyCounter, 10836 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25484 SdHoareTripleChecker+Valid, 59631 SdHoareTripleChecker+Invalid, 20382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 10836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9246 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:40:11,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25484 Valid, 59631 Invalid, 20382 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [300 Valid, 10836 Invalid, 0 Unknown, 9246 Unchecked, 4.0s Time] [2022-01-18 12:40:15,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866780 states. [2022-01-18 12:40:53,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866780 to 302234. [2022-01-18 12:40:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302234 states, 302233 states have (on average 3.7930206165441893) internal successors, (1146376), 302233 states have internal predecessors, (1146376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:40:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302234 states to 302234 states and 1146376 transitions. [2022-01-18 12:40:55,779 INFO L78 Accepts]: Start accepts. Automaton has 302234 states and 1146376 transitions. Word has length 156 [2022-01-18 12:40:55,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:40:55,779 INFO L470 AbstractCegarLoop]: Abstraction has 302234 states and 1146376 transitions. [2022-01-18 12:40:55,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.0) internal successors, (420), 84 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:40:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 302234 states and 1146376 transitions. [2022-01-18 12:40:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-18 12:40:57,057 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:40:57,057 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] [2022-01-18 12:40:57,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-18 12:40:57,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:40:57,259 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:40:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:40:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2098596422, now seen corresponding path program 8 times [2022-01-18 12:40:57,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:40:57,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7884361] [2022-01-18 12:40:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:40:57,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:40:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:40:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:40:57,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:40:57,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7884361] [2022-01-18 12:40:57,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7884361] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:40:57,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439946113] [2022-01-18 12:40:57,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 12:40:57,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:40:57,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:40:57,920 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:40:57,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-18 12:40:58,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:40:58,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:40:58,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 49 conjunts are in the unsatisfiable core [2022-01-18 12:40:58,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:40:58,927 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:40:58,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2022-01-18 12:41:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:41:00,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:41:00,843 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:41:00,844 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-01-18 12:41:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:41:02,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439946113] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:41:02,006 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:41:02,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 36, 31] total 91 [2022-01-18 12:41:02,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423394531] [2022-01-18 12:41:02,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:41:02,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-01-18 12:41:02,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:41:02,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-01-18 12:41:02,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=941, Invalid=7249, Unknown=0, NotChecked=0, Total=8190 [2022-01-18 12:41:02,008 INFO L87 Difference]: Start difference. First operand 302234 states and 1146376 transitions. Second operand has 91 states, 91 states have (on average 4.648351648351649) internal successors, (423), 91 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:41:42,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:41:42,350 INFO L93 Difference]: Finished difference Result 1174560 states and 4384795 transitions. [2022-01-18 12:41:42,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2022-01-18 12:41:42,351 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 91 states have (on average 4.648351648351649) internal successors, (423), 91 states have internal predecessors, (423), 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 156 [2022-01-18 12:41:42,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:41:49,813 INFO L225 Difference]: With dead ends: 1174560 [2022-01-18 12:41:49,813 INFO L226 Difference]: Without dead ends: 1174256 [2022-01-18 12:41:49,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 252 SyntacticMatches, 4 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62244 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=25626, Invalid=118394, Unknown=0, NotChecked=0, Total=144020 [2022-01-18 12:41:49,819 INFO L933 BasicCegarLoop]: 1276 mSDtfsCounter, 15194 mSDsluCounter, 77268 mSDsCounter, 0 mSdLazyCounter, 17142 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15194 SdHoareTripleChecker+Valid, 77275 SdHoareTripleChecker+Invalid, 19231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 17142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1780 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-01-18 12:41:49,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15194 Valid, 77275 Invalid, 19231 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [309 Valid, 17142 Invalid, 0 Unknown, 1780 Unchecked, 6.7s Time] [2022-01-18 12:41:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174256 states. Received shutdown request... [2022-01-18 12:42:09,262 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 [2022-01-18 12:42:09,262 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 12:42:10,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-01-18 12:42:10,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown