/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 19:11:45,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 19:11:45,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 19:11:45,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 19:11:45,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 19:11:45,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 19:11:45,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 19:11:45,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 19:11:45,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 19:11:45,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 19:11:45,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 19:11:45,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 19:11:45,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 19:11:45,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 19:11:45,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 19:11:45,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 19:11:45,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 19:11:45,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 19:11:45,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 19:11:45,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 19:11:45,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 19:11:45,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 19:11:45,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 19:11:45,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 19:11:45,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-18 19:11:45,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 19:11:45,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 19:11:45,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 19:11:45,329 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-POR-NewStatesSleep-NoLbe.epf [2022-02-18 19:11:45,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 19:11:45,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 19:11:45,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 19:11:45,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 19:11:45,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 19:11:45,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 19:11:45,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 19:11:45,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 19:11:45,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 19:11:45,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 19:11:45,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 19:11:45,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 19:11:45,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 19:11:45,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 19:11:45,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 19:11:45,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 19:11:45,359 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 19:11:45,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 19:11:45,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 19:11:45,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 19:11:45,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 19:11:45,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 19:11:45,529 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 19:11:45,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2022-02-18 19:11:45,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db298013/8cd62ec8247845ef8090f9e340b6722b/FLAG6c58242a1 [2022-02-18 19:11:45,960 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 19:11:45,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2022-02-18 19:11:45,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db298013/8cd62ec8247845ef8090f9e340b6722b/FLAG6c58242a1 [2022-02-18 19:11:46,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db298013/8cd62ec8247845ef8090f9e340b6722b [2022-02-18 19:11:46,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 19:11:46,348 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 19:11:46,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 19:11:46,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 19:11:46,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 19:11:46,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed983d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46, skipping insertion in model container [2022-02-18 19:11:46,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 19:11:46,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 19:11:46,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-02-18 19:11:46,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 19:11:46,714 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 19:11:46,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-02-18 19:11:46,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 19:11:46,772 INFO L208 MainTranslator]: Completed translation [2022-02-18 19:11:46,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46 WrapperNode [2022-02-18 19:11:46,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 19:11:46,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 19:11:46,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 19:11:46,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 19:11:46,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,818 INFO L137 Inliner]: procedures = 271, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2022-02-18 19:11:46,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 19:11:46,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 19:11:46,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 19:11:46,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 19:11:46,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 19:11:46,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 19:11:46,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 19:11:46,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 19:11:46,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (1/1) ... [2022-02-18 19:11:46,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 19:11:46,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:46,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 19:11:46,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2022-02-18 19:11:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2022-02-18 19:11:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2022-02-18 19:11:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure process [2022-02-18 19:11:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2022-02-18 19:11:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 19:11:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 19:11:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 19:11:46,900 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 19:11:47,055 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 19:11:47,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 19:11:47,215 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 19:11:47,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 19:11:47,222 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-18 19:11:47,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:11:47 BoogieIcfgContainer [2022-02-18 19:11:47,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 19:11:47,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 19:11:47,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 19:11:47,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 19:11:47,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:11:46" (1/3) ... [2022-02-18 19:11:47,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3289a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:11:47, skipping insertion in model container [2022-02-18 19:11:47,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:11:46" (2/3) ... [2022-02-18 19:11:47,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3289a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:11:47, skipping insertion in model container [2022-02-18 19:11:47,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:11:47" (3/3) ... [2022-02-18 19:11:47,228 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2022-02-18 19:11:47,231 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 19:11:47,231 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 19:11:47,231 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-18 19:11:47,231 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 19:11:47,258 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,258 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,258 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,258 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,258 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,259 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,260 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,260 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,260 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,260 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,260 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,261 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,261 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,261 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,261 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,261 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,261 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,261 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,262 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,263 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,263 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,263 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,263 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,263 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,263 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,263 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,264 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,264 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,264 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,264 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,264 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,264 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,265 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,266 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,266 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,266 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,266 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,266 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,266 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,267 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,268 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,269 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,269 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,269 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,269 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,269 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,269 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,270 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,271 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,271 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,271 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,271 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,271 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,271 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,271 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,272 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,272 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,272 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,272 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,272 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,272 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,272 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,273 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,274 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,274 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,276 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,277 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,277 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,278 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,279 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,280 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:11:47,281 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 19:11:47,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 19:11:47,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:47,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-18 19:11:47,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-18 19:11:47,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 19:11:47,339 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 19:11:47,339 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-18 19:11:47,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:47,393 INFO L85 PathProgramCache]: Analyzing trace with hash -274539606, now seen corresponding path program 1 times [2022-02-18 19:11:47,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:47,399 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185506978] [2022-02-18 19:11:47,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:47,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:11:47,612 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:47,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185506978] [2022-02-18 19:11:47,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185506978] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:11:47,613 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 19:11:47,613 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 19:11:47,614 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034241993] [2022-02-18 19:11:47,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:11:47,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 19:11:47,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:47,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 19:11:47,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 19:11:47,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:47,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:47,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:47,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:47,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 19:11:47,664 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:47,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:47,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1943218347, now seen corresponding path program 1 times [2022-02-18 19:11:47,667 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:47,667 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998964265] [2022-02-18 19:11:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:47,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:11:47,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:47,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998964265] [2022-02-18 19:11:47,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998964265] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:11:47,817 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 19:11:47,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 19:11:47,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15658972] [2022-02-18 19:11:47,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:11:47,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 19:11:47,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:47,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 19:11:47,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 19:11:47,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:47,823 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:47,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:47,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:47,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:47,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 19:11:47,865 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:47,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:47,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1039294732, now seen corresponding path program 1 times [2022-02-18 19:11:47,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:47,870 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436451423] [2022-02-18 19:11:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:47,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:11:48,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:48,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436451423] [2022-02-18 19:11:48,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436451423] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:11:48,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 19:11:48,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 19:11:48,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037123236] [2022-02-18 19:11:48,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:11:48,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 19:11:48,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:48,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 19:11:48,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 19:11:48,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,130 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:48,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:48,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:48,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 19:11:48,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 19:11:48,209 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:48,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:48,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1082512188, now seen corresponding path program 1 times [2022-02-18 19:11:48,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:48,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405842343] [2022-02-18 19:11:48,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:48,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:48,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:11:48,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:48,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405842343] [2022-02-18 19:11:48,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405842343] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:11:48,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583261260] [2022-02-18 19:11:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:48,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:48,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:48,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:11:48,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 19:11:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:48,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 19:11:48,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:11:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:11:48,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 19:11:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:11:48,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583261260] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 19:11:48,787 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 19:11:48,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 19:11:48,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130784533] [2022-02-18 19:11:48,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 19:11:48,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 19:11:48,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:48,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 19:11:48,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 19:11:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:48,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 19:11:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 19:11:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:48,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 19:11:49,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-18 19:11:49,068 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:49,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:49,068 INFO L85 PathProgramCache]: Analyzing trace with hash 493119542, now seen corresponding path program 2 times [2022-02-18 19:11:49,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:49,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576011977] [2022-02-18 19:11:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:49,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:11:49,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:49,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576011977] [2022-02-18 19:11:49,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576011977] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:11:49,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033157684] [2022-02-18 19:11:49,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 19:11:49,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:49,197 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:11:49,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 19:11:49,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 19:11:49,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 19:11:49,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 19:11:49,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:11:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-02-18 19:11:49,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 19:11:49,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033157684] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:11:49,523 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 19:11:49,523 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-02-18 19:11:49,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249647475] [2022-02-18 19:11:49,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:11:49,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 19:11:49,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:49,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 19:11:49,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-02-18 19:11:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:49,525 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:49,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:49,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:49,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:49,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 19:11:49,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:49,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:49,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-18 19:11:50,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:50,080 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:50,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:50,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1519262904, now seen corresponding path program 1 times [2022-02-18 19:11:50,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:50,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540011680] [2022-02-18 19:11:50,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:50,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-02-18 19:11:50,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:50,140 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540011680] [2022-02-18 19:11:50,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540011680] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:11:50,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 19:11:50,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 19:11:50,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486647437] [2022-02-18 19:11:50,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:11:50,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 19:11:50,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 19:11:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 19:11:50,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:50,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:50,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-18 19:11:50,204 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:50,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:50,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1635060078, now seen corresponding path program 1 times [2022-02-18 19:11:50,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:50,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154337755] [2022-02-18 19:11:50,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:50,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-02-18 19:11:50,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:50,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154337755] [2022-02-18 19:11:50,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154337755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:11:50,265 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 19:11:50,265 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 19:11:50,265 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388829812] [2022-02-18 19:11:50,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:11:50,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 19:11:50,265 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:50,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 19:11:50,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 19:11:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,266 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:50,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:50,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:50,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-18 19:11:50,303 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1667331165, now seen corresponding path program 1 times [2022-02-18 19:11:50,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:50,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085757947] [2022-02-18 19:11:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-18 19:11:50,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:50,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085757947] [2022-02-18 19:11:50,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085757947] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:11:50,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728511631] [2022-02-18 19:11:50,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:50,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:50,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:50,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:11:50,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 19:11:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:50,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 19:11:50,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:11:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-18 19:11:50,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 19:11:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-18 19:11:51,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728511631] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 19:11:51,188 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 19:11:51,188 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-18 19:11:51,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583786187] [2022-02-18 19:11:51,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 19:11:51,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 19:11:51,189 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:51,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 19:11:51,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-18 19:11:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:51,192 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:51,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.944444444444445) internal successors, (233), 18 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:51,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:51,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:11:51,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 19:11:51,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:51,552 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:51,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:51,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1553020865, now seen corresponding path program 2 times [2022-02-18 19:11:51,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:51,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635272871] [2022-02-18 19:11:51,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:51,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-02-18 19:11:51,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:51,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635272871] [2022-02-18 19:11:51,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635272871] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:11:51,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788254132] [2022-02-18 19:11:51,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 19:11:51,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:51,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:51,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:11:51,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 19:11:52,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 19:11:52,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 19:11:52,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 19:11:52,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:11:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-18 19:11:52,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 19:11:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-18 19:11:52,987 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788254132] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 19:11:52,987 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 19:11:52,987 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 17, 17] total 25 [2022-02-18 19:11:52,987 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161715433] [2022-02-18 19:11:52,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 19:11:52,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-18 19:11:52,988 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:52,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-18 19:11:52,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2022-02-18 19:11:52,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:52,989 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:52,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.72) internal successors, (393), 25 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:52,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:11:52,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:11:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:11:53,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 19:11:53,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:53,879 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:53,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash -263271317, now seen corresponding path program 1 times [2022-02-18 19:11:53,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:53,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193944729] [2022-02-18 19:11:53,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:53,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 45 proven. 33 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2022-02-18 19:11:54,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:54,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193944729] [2022-02-18 19:11:54,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193944729] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:11:54,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977661972] [2022-02-18 19:11:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:54,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:54,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:54,116 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:11:54,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 19:11:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:54,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-18 19:11:54,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:11:55,273 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 11 treesize of output 7 [2022-02-18 19:11:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 19:11:55,346 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-18 19:11:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 19:11:55,373 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-18 19:11:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 19:11:55,389 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-18 19:11:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2022-02-18 19:11:55,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 19:11:55,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977661972] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:11:55,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 19:11:55,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-02-18 19:11:55,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131714557] [2022-02-18 19:11:55,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:11:55,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 19:11:55,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:55,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 19:11:55,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-02-18 19:11:55,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:55,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:55,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:11:55,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:11:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:11:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:11:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:11:55,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 19:11:55,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:55,800 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:55,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:55,800 INFO L85 PathProgramCache]: Analyzing trace with hash -743612026, now seen corresponding path program 1 times [2022-02-18 19:11:55,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:55,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147653676] [2022-02-18 19:11:55,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-02-18 19:11:56,274 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:56,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147653676] [2022-02-18 19:11:56,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147653676] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:11:56,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29942317] [2022-02-18 19:11:56,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:56,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:56,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:56,276 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:11:56,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 19:11:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:56,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 19:11:56,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:11:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-02-18 19:11:57,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 19:11:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-02-18 19:11:58,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29942317] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 19:11:58,080 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 19:11:58,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2022-02-18 19:11:58,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039525074] [2022-02-18 19:11:58,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 19:11:58,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-18 19:11:58,081 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:11:58,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-18 19:11:58,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-02-18 19:11:58,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:58,082 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:11:58,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:11:58,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:58,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:58,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:58,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:58,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:11:58,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:58,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:58,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:11:58,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:11:58,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:11:58,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:11:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 19:11:58,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 19:11:58,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:58,788 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:11:58,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:11:58,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2125844347, now seen corresponding path program 1 times [2022-02-18 19:11:58,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:11:58,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267179902] [2022-02-18 19:11:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:58,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:11:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2022-02-18 19:11:59,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:11:59,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267179902] [2022-02-18 19:11:59,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267179902] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:11:59,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580385105] [2022-02-18 19:11:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:11:59,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:11:59,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:11:59,163 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:11:59,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 19:11:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:11:59,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-18 19:11:59,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:12:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2022-02-18 19:12:00,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 19:12:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2022-02-18 19:12:01,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580385105] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 19:12:01,234 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 19:12:01,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 14 [2022-02-18 19:12:01,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132633] [2022-02-18 19:12:01,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 19:12:01,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-18 19:12:01,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:12:01,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-18 19:12:01,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-02-18 19:12:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:12:01,235 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:12:01,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 14 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) [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 19:12:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:12:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-18 19:12:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:12:58,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 19:12:58,359 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,SelfDestructingSolverStorable11 [2022-02-18 19:12:58,360 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:12:58,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:12:58,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1841834307, now seen corresponding path program 1 times [2022-02-18 19:12:58,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:12:58,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765369869] [2022-02-18 19:12:58,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:12:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:12:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:12:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 955 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 19:12:58,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:12:58,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765369869] [2022-02-18 19:12:58,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765369869] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:12:58,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454418891] [2022-02-18 19:12:58,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:12:58,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:12:58,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:12:58,756 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 19:12:58,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-18 19:12:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:12:58,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-18 19:12:58,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:12:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 1103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-02-18 19:12:59,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 19:12:59,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454418891] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:12:59,728 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 19:12:59,728 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [25] total 27 [2022-02-18 19:12:59,728 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627138350] [2022-02-18 19:12:59,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:12:59,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-18 19:12:59,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:12:59,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-18 19:12:59,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2022-02-18 19:12:59,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:12:59,729 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:12:59,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.73913043478261) internal successors, (293), 23 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:12:59,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:12:59,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:59,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:12:59,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-18 19:13:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 19:13:00,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-18 19:13:00,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-18 19:13:00,373 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:13:00,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:13:00,374 INFO L85 PathProgramCache]: Analyzing trace with hash -905859296, now seen corresponding path program 2 times [2022-02-18 19:13:00,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:13:00,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033371445] [2022-02-18 19:13:00,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:13:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:13:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:13:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2022-02-18 19:13:00,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:13:00,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033371445] [2022-02-18 19:13:00,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033371445] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 19:13:00,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 19:13:00,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-18 19:13:00,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704329988] [2022-02-18 19:13:00,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 19:13:00,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 19:13:00,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:13:00,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 19:13:00,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-18 19:13:00,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:00,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:13:00,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-18 19:13:00,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:00,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 19:13:00,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 19:13:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 19:13:02,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-18 19:13:02,120 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-18 19:13:02,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:13:02,120 INFO L85 PathProgramCache]: Analyzing trace with hash -714782809, now seen corresponding path program 1 times [2022-02-18 19:13:02,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:13:02,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125907011] [2022-02-18 19:13:02,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:13:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:13:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:13:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-02-18 19:13:02,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 19:13:02,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125907011] [2022-02-18 19:13:02,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125907011] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 19:13:02,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300359785] [2022-02-18 19:13:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:13:02,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 19:13:02,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:13:02,520 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) [2022-02-18 19:13:02,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-18 19:13:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 19:13:02,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-18 19:13:02,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 19:13:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-02-18 19:13:03,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 19:13:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-02-18 19:13:04,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300359785] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 19:13:04,719 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 19:13:04,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 15 [2022-02-18 19:13:04,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625574487] [2022-02-18 19:13:04,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 19:13:04,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-18 19:13:04,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:13:04,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-18 19:13:04,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-02-18 19:13:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:04,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:13:04,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.933333333333334) internal successors, (149), 15 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-18 19:13:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-18 19:13:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 19:13:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 19:13:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.