/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:55:48,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:55:48,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:55:48,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:55:48,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:55:48,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:55:48,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:55:48,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 23:55:48,312 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:55:48,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:55:48,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:55:48,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:55:48,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:55:48,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:55:48,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:55:48,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:55:48,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:55:48,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:55:48,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:55:48,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:55:48,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:55:48,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:55:48,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:55:48,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:55:48,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:55:48,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:55:48,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:55:48,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 23:55:48,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:55:48,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:55:48,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:55:48,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:55:48,509 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:55:48,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2022-02-10 23:55:48,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a1a5108/58b206c15aeb4c2fa698dd00632dbbe7/FLAG40dda2d49 [2022-02-10 23:55:48,871 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:55:48,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2022-02-10 23:55:48,872 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 23:55:48,872 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 23:55:48,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a1a5108/58b206c15aeb4c2fa698dd00632dbbe7/FLAG40dda2d49 [2022-02-10 23:55:49,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a1a5108/58b206c15aeb4c2fa698dd00632dbbe7 [2022-02-10 23:55:49,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:55:49,300 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:55:49,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:55:49,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:55:49,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:55:49,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca8ce53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49, skipping insertion in model container [2022-02-10 23:55:49,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:55:49,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:55:49,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:55:49,446 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:55:49,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:55:49,468 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:55:49,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49 WrapperNode [2022-02-10 23:55:49,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:55:49,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:55:49,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:55:49,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:55:49,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,491 INFO L137 Inliner]: procedures = 10, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-02-10 23:55:49,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:55:49,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:55:49,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:55:49,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:55:49,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:55:49,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:55:49,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:55:49,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:55:49,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (1/1) ... [2022-02-10 23:55:49,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:55:49,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:55:49,528 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) [2022-02-10 23:55:49,545 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 [2022-02-10 23:55:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:55:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2022-02-10 23:55:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2022-02-10 23:55:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:55:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:55:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:55:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:55:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:55:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:55:49,568 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:55:49,627 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:55:49,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:55:49,826 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:55:49,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:55:49,834 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-10 23:55:49,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:55:49 BoogieIcfgContainer [2022-02-10 23:55:49,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:55:49,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:55:49,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:55:49,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:55:49,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:55:49" (1/3) ... [2022-02-10 23:55:49,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588a8f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:55:49, skipping insertion in model container [2022-02-10 23:55:49,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:55:49" (2/3) ... [2022-02-10 23:55:49,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588a8f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:55:49, skipping insertion in model container [2022-02-10 23:55:49,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:55:49" (3/3) ... [2022-02-10 23:55:49,841 INFO L112 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2022-02-10 23:55:49,844 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:55:49,844 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:55:49,844 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 23:55:49,844 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:55:49,878 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,879 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,879 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,879 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,879 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,879 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,880 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,881 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,882 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,882 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,882 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,883 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,883 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,883 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,883 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,883 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,883 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,884 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,885 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,885 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,885 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,885 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,885 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,885 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,885 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,886 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,886 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,886 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,886 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,886 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,886 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,886 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,887 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,887 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,887 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,887 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,887 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,887 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,888 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,889 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,890 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,891 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,892 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,893 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,894 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,895 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,895 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,895 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,895 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,895 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,895 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,895 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,896 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,897 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,898 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,898 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,898 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,898 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,898 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,898 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,898 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,900 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,901 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,902 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,903 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,903 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,903 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,903 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,903 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,903 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,904 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,904 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,904 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,904 WARN L322 ript$VariableManager]: TermVariable |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,904 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,904 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,904 WARN L322 ript$VariableManager]: TermVariable search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:55:49,906 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 23:55:49,933 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:55:49,937 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:55:49,937 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 23:55:49,944 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 147 places, 148 transitions, 312 flow [2022-02-10 23:55:50,039 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 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) [2022-02-10 23:55:50,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 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) [2022-02-10 23:55:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-10 23:55:50,068 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:55:50,069 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:55:50,069 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:55:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:55:50,073 INFO L85 PathProgramCache]: Analyzing trace with hash -506612919, now seen corresponding path program 1 times [2022-02-10 23:55:50,078 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:55:50,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564975981] [2022-02-10 23:55:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:55:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:55:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:55:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:50,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:55:50,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564975981] [2022-02-10 23:55:50,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564975981] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:55:50,291 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:55:50,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:55:50,293 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077506637] [2022-02-10 23:55:50,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:55:50,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 23:55:50,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:55:50,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 23:55:50,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 23:55:50,326 INFO L87 Difference]: Start difference. First operand has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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) [2022-02-10 23:55:50,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:55:50,369 INFO L93 Difference]: Finished difference Result 2268 states and 6109 transitions. [2022-02-10 23:55:50,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 23:55:50,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-02-10 23:55:50,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:55:50,391 INFO L225 Difference]: With dead ends: 2268 [2022-02-10 23:55:50,391 INFO L226 Difference]: Without dead ends: 2268 [2022-02-10 23:55:50,392 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 23:55:50,394 INFO L934 BasicCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:55:50,395 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:55:50,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-02-10 23:55:50,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2268. [2022-02-10 23:55:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2268 states, 2267 states have (on average 2.6947507719453023) internal successors, (6109), 2267 states have internal predecessors, (6109), 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) [2022-02-10 23:55:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 6109 transitions. [2022-02-10 23:55:50,500 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 6109 transitions. Word has length 98 [2022-02-10 23:55:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:55:50,500 INFO L470 AbstractCegarLoop]: Abstraction has 2268 states and 6109 transitions. [2022-02-10 23:55:50,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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) [2022-02-10 23:55:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 6109 transitions. [2022-02-10 23:55:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-10 23:55:50,506 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:55:50,506 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:55:50,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:55:50,507 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:55:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:55:50,508 INFO L85 PathProgramCache]: Analyzing trace with hash 527797737, now seen corresponding path program 1 times [2022-02-10 23:55:50,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:55:50,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536108442] [2022-02-10 23:55:50,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:55:50,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:55:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:55:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:50,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:55:50,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536108442] [2022-02-10 23:55:50,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536108442] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:55:50,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:55:50,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 23:55:50,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353732892] [2022-02-10 23:55:50,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:55:50,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:55:50,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:55:50,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:55:50,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:55:50,743 INFO L87 Difference]: Start difference. First operand 2268 states and 6109 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-02-10 23:55:50,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:55:50,820 INFO L93 Difference]: Finished difference Result 3901 states and 10613 transitions. [2022-02-10 23:55:50,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:55:50,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-02-10 23:55:50,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:55:50,836 INFO L225 Difference]: With dead ends: 3901 [2022-02-10 23:55:50,836 INFO L226 Difference]: Without dead ends: 3901 [2022-02-10 23:55:50,837 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:55:50,841 INFO L934 BasicCegarLoop]: 121 mSDtfsCounter, 60 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:55:50,841 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 207 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:55:50,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2022-02-10 23:55:50,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3537. [2022-02-10 23:55:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 3536 states have (on average 2.7290723981900453) internal successors, (9650), 3536 states have internal predecessors, (9650), 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) [2022-02-10 23:55:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 9650 transitions. [2022-02-10 23:55:50,919 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 9650 transitions. Word has length 98 [2022-02-10 23:55:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:55:50,921 INFO L470 AbstractCegarLoop]: Abstraction has 3537 states and 9650 transitions. [2022-02-10 23:55:50,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-02-10 23:55:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 9650 transitions. [2022-02-10 23:55:50,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-10 23:55:50,930 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:55:50,930 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:55:50,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:55:50,930 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:55:50,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:55:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash -768577290, now seen corresponding path program 1 times [2022-02-10 23:55:50,931 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:55:50,931 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849464820] [2022-02-10 23:55:50,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:55:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:55:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:55:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:51,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:55:51,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849464820] [2022-02-10 23:55:51,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849464820] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:55:51,063 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:55:51,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:55:51,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029416062] [2022-02-10 23:55:51,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:55:51,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 23:55:51,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:55:51,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 23:55:51,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 23:55:51,064 INFO L87 Difference]: Start difference. First operand 3537 states and 9650 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2022-02-10 23:55:51,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:55:51,139 INFO L93 Difference]: Finished difference Result 3543 states and 9655 transitions. [2022-02-10 23:55:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:55:51,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-02-10 23:55:51,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:55:51,153 INFO L225 Difference]: With dead ends: 3543 [2022-02-10 23:55:51,153 INFO L226 Difference]: Without dead ends: 3481 [2022-02-10 23:55:51,154 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 23:55:51,158 INFO L934 BasicCegarLoop]: 123 mSDtfsCounter, 6 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:55:51,159 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 478 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:55:51,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2022-02-10 23:55:51,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3481. [2022-02-10 23:55:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 2.735632183908046) internal successors, (9520), 3480 states have internal predecessors, (9520), 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) [2022-02-10 23:55:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9520 transitions. [2022-02-10 23:55:51,268 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9520 transitions. Word has length 98 [2022-02-10 23:55:51,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:55:51,269 INFO L470 AbstractCegarLoop]: Abstraction has 3481 states and 9520 transitions. [2022-02-10 23:55:51,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2022-02-10 23:55:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9520 transitions. [2022-02-10 23:55:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-10 23:55:51,278 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:55:51,278 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:55:51,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:55:51,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:55:51,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:55:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash -626893572, now seen corresponding path program 1 times [2022-02-10 23:55:51,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:55:51,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861045803] [2022-02-10 23:55:51,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:55:51,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:55:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:55:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:51,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:55:51,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861045803] [2022-02-10 23:55:51,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861045803] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:55:51,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664821252] [2022-02-10 23:55:51,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:55:51,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:55:51,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:55:51,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:55:51,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 23:55:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:55:51,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-10 23:55:51,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:55:52,440 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-10 23:55:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:52,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:55:52,540 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 23:55:52,540 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2022-02-10 23:55:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:52,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664821252] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:55:52,878 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:55:52,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 27 [2022-02-10 23:55:52,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894533609] [2022-02-10 23:55:52,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:55:52,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-10 23:55:52,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:55:52,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-10 23:55:52,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-02-10 23:55:52,879 INFO L87 Difference]: Start difference. First operand 3481 states and 9520 transitions. Second operand has 28 states, 27 states have (on average 7.2592592592592595) internal successors, (196), 28 states have internal predecessors, (196), 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) [2022-02-10 23:55:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:55:53,927 INFO L93 Difference]: Finished difference Result 4617 states and 12692 transitions. [2022-02-10 23:55:53,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-10 23:55:53,927 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.2592592592592595) internal successors, (196), 28 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-02-10 23:55:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:55:53,941 INFO L225 Difference]: With dead ends: 4617 [2022-02-10 23:55:53,941 INFO L226 Difference]: Without dead ends: 4059 [2022-02-10 23:55:53,942 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=496, Invalid=1666, Unknown=0, NotChecked=0, Total=2162 [2022-02-10 23:55:53,943 INFO L934 BasicCegarLoop]: 210 mSDtfsCounter, 953 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 2487 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:55:53,943 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [953 Valid, 2487 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:55:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4059 states. [2022-02-10 23:55:53,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4059 to 2809. [2022-02-10 23:55:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2809 states, 2808 states have (on average 2.7311253561253563) internal successors, (7669), 2808 states have internal predecessors, (7669), 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) [2022-02-10 23:55:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 7669 transitions. [2022-02-10 23:55:54,001 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 7669 transitions. Word has length 107 [2022-02-10 23:55:54,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:55:54,001 INFO L470 AbstractCegarLoop]: Abstraction has 2809 states and 7669 transitions. [2022-02-10 23:55:54,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.2592592592592595) internal successors, (196), 28 states have internal predecessors, (196), 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) [2022-02-10 23:55:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 7669 transitions. [2022-02-10 23:55:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-10 23:55:54,014 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:55:54,014 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:55:54,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-10 23:55:54,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:55:54,233 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:55:54,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:55:54,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1224327644, now seen corresponding path program 1 times [2022-02-10 23:55:54,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:55:54,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179323772] [2022-02-10 23:55:54,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:55:54,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:55:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:55:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:55,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:55:55,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179323772] [2022-02-10 23:55:55,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179323772] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:55:55,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324461247] [2022-02-10 23:55:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:55:55,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:55:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:55:55,036 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) [2022-02-10 23:55:55,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 23:55:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:55:55,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-10 23:55:55,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:55:55,619 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-10 23:55:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:55,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:55:55,756 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 23:55:55,756 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2022-02-10 23:55:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:55:56,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324461247] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:55:56,065 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:55:56,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14, 14] total 37 [2022-02-10 23:55:56,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663964586] [2022-02-10 23:55:56,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:55:56,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-10 23:55:56,066 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:55:56,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-10 23:55:56,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2022-02-10 23:55:56,067 INFO L87 Difference]: Start difference. First operand 2809 states and 7669 transitions. Second operand has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 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) [2022-02-10 23:56:02,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:56:02,740 INFO L93 Difference]: Finished difference Result 11162 states and 31214 transitions. [2022-02-10 23:56:02,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-02-10 23:56:02,740 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-02-10 23:56:02,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:56:02,750 INFO L225 Difference]: With dead ends: 11162 [2022-02-10 23:56:02,750 INFO L226 Difference]: Without dead ends: 2447 [2022-02-10 23:56:02,752 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3741 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2860, Invalid=12640, Unknown=0, NotChecked=0, Total=15500 [2022-02-10 23:56:02,753 INFO L934 BasicCegarLoop]: 288 mSDtfsCounter, 3008 mSDsluCounter, 4844 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3008 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:56:02,753 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [3008 Valid, 4937 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-02-10 23:56:02,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2022-02-10 23:56:02,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1551. [2022-02-10 23:56:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1550 states have (on average 2.5935483870967744) internal successors, (4020), 1550 states have internal predecessors, (4020), 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) [2022-02-10 23:56:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 4020 transitions. [2022-02-10 23:56:02,790 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 4020 transitions. Word has length 107 [2022-02-10 23:56:02,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:56:02,790 INFO L470 AbstractCegarLoop]: Abstraction has 1551 states and 4020 transitions. [2022-02-10 23:56:02,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 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) [2022-02-10 23:56:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 4020 transitions. [2022-02-10 23:56:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-10 23:56:02,793 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:56:02,793 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:56:02,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-10 23:56:03,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:56:03,009 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:56:03,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:56:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash -305878864, now seen corresponding path program 2 times [2022-02-10 23:56:03,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:56:03,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957006050] [2022-02-10 23:56:03,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:56:03,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:56:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:56:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:56:03,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:56:03,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957006050] [2022-02-10 23:56:03,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957006050] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:56:03,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544012752] [2022-02-10 23:56:03,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 23:56:03,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:56:03,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:56:03,928 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) [2022-02-10 23:56:03,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 23:56:04,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 23:56:04,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 23:56:04,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-10 23:56:04,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:56:04,038 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 23:56:04,140 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-10 23:56:04,140 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-10 23:56:04,173 INFO L353 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-02-10 23:56:04,173 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-02-10 23:56:04,382 INFO L353 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-02-10 23:56:04,384 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-02-10 23:56:04,612 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2022-02-10 23:56:05,652 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-10 23:56:05,652 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2022-02-10 23:56:05,680 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-10 23:56:06,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-10 23:56:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:56:06,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:56:06,390 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_167 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* c_~search_result~0 4))))) (= (- 1) c_~search_result~0)) is different from false [2022-02-10 23:56:06,452 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_167 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) (= (- 1) c_search_workerThread1of1ForFork1_~i~0)) is different from false [2022-02-10 23:56:07,048 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_166 (Array Int Int)) (v_ArrVal_167 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher1~0#1.base| v_ArrVal_166))) (let ((.cse2 (select (select .cse0 |c_ULTIMATE.start_search_~#bounds1~0#1.base|) |c_ULTIMATE.start_search_~#bounds1~0#1.offset|))) (let ((.cse1 (* 4 .cse2))) (or (not (= c_~search_needle~0 (select (select .cse0 c_~search_haystack~0.base) (+ c_~search_haystack~0.offset .cse1)))) (= (- 1) .cse2) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store .cse0 |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| .cse1)))))))) is different from false [2022-02-10 23:56:07,152 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 23:56:07,152 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 465 treesize of output 531 [2022-02-10 23:56:07,211 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 23:56:07,211 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 421 treesize of output 465 [2022-02-10 23:56:07,247 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 23:56:07,248 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 230 treesize of output 210 [2022-02-10 23:56:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-02-10 23:56:43,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544012752] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:56:43,942 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:56:43,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 28] total 69 [2022-02-10 23:56:43,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594079971] [2022-02-10 23:56:43,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:56:43,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-02-10 23:56:43,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:56:43,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-02-10 23:56:43,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=4053, Unknown=3, NotChecked=396, Total=4830 [2022-02-10 23:56:43,945 INFO L87 Difference]: Start difference. First operand 1551 states and 4020 transitions. Second operand has 70 states, 69 states have (on average 3.782608695652174) internal successors, (261), 70 states have internal predecessors, (261), 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) [2022-02-10 23:56:46,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:56:46,494 INFO L93 Difference]: Finished difference Result 2319 states and 5935 transitions. [2022-02-10 23:56:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-10 23:56:46,494 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 3.782608695652174) internal successors, (261), 70 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-02-10 23:56:46,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:56:46,510 INFO L225 Difference]: With dead ends: 2319 [2022-02-10 23:56:46,510 INFO L226 Difference]: Without dead ends: 1998 [2022-02-10 23:56:46,512 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 177 SyntacticMatches, 8 SemanticMatches, 97 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1773 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1002, Invalid=8127, Unknown=3, NotChecked=570, Total=9702 [2022-02-10 23:56:46,513 INFO L934 BasicCegarLoop]: 133 mSDtfsCounter, 478 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 1938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1257 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:56:46,513 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 4080 Invalid, 1938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 649 Invalid, 0 Unknown, 1257 Unchecked, 0.4s Time] [2022-02-10 23:56:46,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2022-02-10 23:56:46,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1912. [2022-02-10 23:56:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1911 states have (on average 2.6017791732077447) internal successors, (4972), 1911 states have internal predecessors, (4972), 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) [2022-02-10 23:56:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 4972 transitions. [2022-02-10 23:56:46,539 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 4972 transitions. Word has length 107 [2022-02-10 23:56:46,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:56:46,539 INFO L470 AbstractCegarLoop]: Abstraction has 1912 states and 4972 transitions. [2022-02-10 23:56:46,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 3.782608695652174) internal successors, (261), 70 states have internal predecessors, (261), 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) [2022-02-10 23:56:46,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 4972 transitions. [2022-02-10 23:56:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-10 23:56:46,542 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:56:46,542 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:56:46,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-10 23:56:46,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:56:46,758 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:56:46,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:56:46,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1194539710, now seen corresponding path program 3 times [2022-02-10 23:56:46,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:56:46,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761571840] [2022-02-10 23:56:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:56:46,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:56:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:56:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:56:47,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:56:47,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761571840] [2022-02-10 23:56:47,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761571840] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:56:47,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669659838] [2022-02-10 23:56:47,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 23:56:47,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:56:47,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:56:47,635 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) [2022-02-10 23:56:47,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-10 23:56:47,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-10 23:56:47,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 23:56:47,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-10 23:56:47,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:56:47,745 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 23:56:47,923 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-10 23:56:47,924 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-10 23:56:47,937 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-10 23:56:47,937 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-10 23:56:48,273 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 18 treesize of output 20 [2022-02-10 23:56:48,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-10 23:56:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:56:48,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:56:48,600 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_206 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_206) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) is different from false [2022-02-10 23:56:48,652 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 23:56:48,653 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 45 [2022-02-10 23:56:48,656 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-02-10 23:56:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:56:49,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669659838] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:56:49,296 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:56:49,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 17, 17] total 47 [2022-02-10 23:56:49,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241417258] [2022-02-10 23:56:49,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:56:49,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-10 23:56:49,300 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:56:49,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-10 23:56:49,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2006, Unknown=1, NotChecked=90, Total=2256 [2022-02-10 23:56:49,301 INFO L87 Difference]: Start difference. First operand 1912 states and 4972 transitions. Second operand has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 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) [2022-02-10 23:56:56,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:56:56,643 INFO L93 Difference]: Finished difference Result 6832 states and 18186 transitions. [2022-02-10 23:56:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-10 23:56:56,643 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-02-10 23:56:56,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:56:56,646 INFO L225 Difference]: With dead ends: 6832 [2022-02-10 23:56:56,647 INFO L226 Difference]: Without dead ends: 1363 [2022-02-10 23:56:56,649 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 236 SyntacticMatches, 34 SemanticMatches, 121 ConstructedPredicates, 1 IntricatePredicates, 6 DeprecatedPredicates, 4258 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=2463, Invalid=12302, Unknown=1, NotChecked=240, Total=15006 [2022-02-10 23:56:56,650 INFO L934 BasicCegarLoop]: 196 mSDtfsCounter, 4557 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4557 SdHoareTripleChecker+Valid, 4179 SdHoareTripleChecker+Invalid, 3580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1023 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:56:56,650 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [4557 Valid, 4179 Invalid, 3580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 2394 Invalid, 0 Unknown, 1023 Unchecked, 1.1s Time] [2022-02-10 23:56:56,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2022-02-10 23:56:56,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1277. [2022-02-10 23:56:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1276 states have (on average 2.542319749216301) internal successors, (3244), 1276 states have internal predecessors, (3244), 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) [2022-02-10 23:56:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 3244 transitions. [2022-02-10 23:56:56,667 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 3244 transitions. Word has length 107 [2022-02-10 23:56:56,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:56:56,668 INFO L470 AbstractCegarLoop]: Abstraction has 1277 states and 3244 transitions. [2022-02-10 23:56:56,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 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) [2022-02-10 23:56:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 3244 transitions. [2022-02-10 23:56:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:56:56,670 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:56:56,670 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:56:56,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-10 23:56:56,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:56:56,883 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:56:56,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:56:56,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1715727525, now seen corresponding path program 1 times [2022-02-10 23:56:56,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:56:56,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513285979] [2022-02-10 23:56:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:56:56,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:56:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:56:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:56:58,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:56:58,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513285979] [2022-02-10 23:56:58,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513285979] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:56:58,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548440057] [2022-02-10 23:56:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:56:58,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:56:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:56:58,107 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) [2022-02-10 23:56:58,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-10 23:56:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:56:58,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-10 23:56:58,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:56:58,196 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 23:56:58,336 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-10 23:56:58,336 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-10 23:56:58,374 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-10 23:56:58,382 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-10 23:56:58,778 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 18 treesize of output 20 [2022-02-10 23:56:58,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-10 23:56:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 23:56:58,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:56:59,005 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_245) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* c_~search_result~0 4))))) is different from false [2022-02-10 23:56:59,024 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_245) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) is different from false [2022-02-10 23:56:59,069 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 23:56:59,069 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 45 [2022-02-10 23:56:59,072 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-02-10 23:56:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 5 not checked. [2022-02-10 23:56:59,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548440057] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:56:59,608 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:56:59,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 17] total 49 [2022-02-10 23:56:59,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207632515] [2022-02-10 23:56:59,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:56:59,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-10 23:56:59,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:56:59,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-10 23:56:59,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2113, Unknown=2, NotChecked=186, Total=2450 [2022-02-10 23:56:59,609 INFO L87 Difference]: Start difference. First operand 1277 states and 3244 transitions. Second operand has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 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) [2022-02-10 23:57:05,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:57:05,073 INFO L93 Difference]: Finished difference Result 2816 states and 7288 transitions. [2022-02-10 23:57:05,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 23:57:05,073 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:57:05,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:57:05,074 INFO L225 Difference]: With dead ends: 2816 [2022-02-10 23:57:05,074 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 23:57:05,076 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 217 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2375 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1696, Invalid=8612, Unknown=2, NotChecked=402, Total=10712 [2022-02-10 23:57:05,076 INFO L934 BasicCegarLoop]: 133 mSDtfsCounter, 3144 mSDsluCounter, 3498 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 3012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 840 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-10 23:57:05,077 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [3144 Valid, 3483 Invalid, 3012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2016 Invalid, 0 Unknown, 840 Unchecked, 0.9s Time] [2022-02-10 23:57:05,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 23:57:05,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 23:57:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:57:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 23:57:05,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2022-02-10 23:57:05,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:57:05,077 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 23:57:05,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 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) [2022-02-10 23:57:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 23:57:05,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 23:57:05,080 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-10 23:57:05,080 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 23:57:05,080 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 23:57:05,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-10 23:57:05,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:57:05,283 INFO L733 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2022-02-10 23:57:05,285 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:57:05,285 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:57:05,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:57:05 BasicIcfg [2022-02-10 23:57:05,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:57:05,286 INFO L158 Benchmark]: Toolchain (without parser) took 75986.87ms. Allocated memory was 185.6MB in the beginning and 557.8MB in the end (delta: 372.2MB). Free memory was 133.5MB in the beginning and 446.6MB in the end (delta: -313.1MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. [2022-02-10 23:57:05,287 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 151.6MB in the beginning and 151.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:57:05,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.50ms. Allocated memory is still 185.6MB. Free memory was 133.4MB in the beginning and 159.6MB in the end (delta: -26.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-10 23:57:05,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.24ms. Allocated memory is still 185.6MB. Free memory was 159.6MB in the beginning and 158.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:57:05,287 INFO L158 Benchmark]: Boogie Preprocessor took 14.51ms. Allocated memory is still 185.6MB. Free memory was 158.1MB in the beginning and 157.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:57:05,287 INFO L158 Benchmark]: RCFGBuilder took 328.56ms. Allocated memory is still 185.6MB. Free memory was 156.5MB in the beginning and 142.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 23:57:05,287 INFO L158 Benchmark]: TraceAbstraction took 75449.55ms. Allocated memory was 185.6MB in the beginning and 557.8MB in the end (delta: 372.2MB). Free memory was 142.3MB in the beginning and 446.6MB in the end (delta: -304.2MB). Peak memory consumption was 69.0MB. Max. memory is 8.0GB. [2022-02-10 23:57:05,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 151.6MB in the beginning and 151.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 168.50ms. Allocated memory is still 185.6MB. Free memory was 133.4MB in the beginning and 159.6MB in the end (delta: -26.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.24ms. Allocated memory is still 185.6MB. Free memory was 159.6MB in the beginning and 158.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.51ms. Allocated memory is still 185.6MB. Free memory was 158.1MB in the beginning and 157.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 328.56ms. Allocated memory is still 185.6MB. Free memory was 156.5MB in the beginning and 142.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 75449.55ms. Allocated memory was 185.6MB in the beginning and 557.8MB in the end (delta: 372.2MB). Free memory was 142.3MB in the beginning and 446.6MB in the end (delta: -304.2MB). Peak memory consumption was 69.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 67]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 165 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 75.4s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 23.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12206 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12206 mSDsluCounter, 19977 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3120 IncrementalHoareTripleChecker+Unchecked, 19411 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8787 IncrementalHoareTripleChecker+Invalid, 12362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 1330 mSDtfsCounter, 8787 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1589 GetRequests, 1041 SyntacticMatches, 53 SemanticMatches, 495 ConstructedPredicates, 6 IntricatePredicates, 6 DeprecatedPredicates, 12487 ImplicationChecksByTransitivity, 23.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3537occurred in iteration=2, InterpolantAutomatonStates: 299, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2682 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 49.3s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1902 ConstructedInterpolants, 104 QuantifiedInterpolants, 24252 SizeOfPredicates, 122 NumberOfNonLiveVariables, 1437 ConjunctsInSsa, 231 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 4/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 23:57:05,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...