/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 03:41:02,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 03:41:02,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 03:41:02,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 03:41:02,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 03:41:02,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 03:41:02,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 03:41:02,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-18 03:41:02,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 03:41:02,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 03:41:02,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 03:41:02,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 03:41:02,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 03:41:02,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 03:41:02,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 03:41:02,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 03:41:02,506 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 03:41:02,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 03:41:02,507 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 03:41:02,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 03:41:02,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 03:41:02,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 03:41:02,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 03:41:02,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 03:41:02,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 03:41:02,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 03:41:02,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:41:02,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 03:41:02,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 03:41:02,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 03:41:02,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 03:41:02,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 03:41:02,509 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 03:41:02,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 03:41:02,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 03:41:02,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 03:41:02,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 03:41:02,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 03:41:02,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 03:41:02,749 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 03:41:02,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2022-01-18 03:41:02,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0d998ae/395998a1b8ff4b77873fad78e23a2b38/FLAGb0f676036 [2022-01-18 03:41:03,229 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 03:41:03,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2022-01-18 03:41:03,230 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 03:41:03,230 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 03:41:03,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0d998ae/395998a1b8ff4b77873fad78e23a2b38/FLAGb0f676036 [2022-01-18 03:41:03,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0d998ae/395998a1b8ff4b77873fad78e23a2b38 [2022-01-18 03:41:03,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 03:41:03,291 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 03:41:03,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 03:41:03,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 03:41:03,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 03:41:03,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6329bddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03, skipping insertion in model container [2022-01-18 03:41:03,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 03:41:03,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 03:41:03,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 03:41:03,500 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 03:41:03,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 03:41:03,527 INFO L208 MainTranslator]: Completed translation [2022-01-18 03:41:03,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03 WrapperNode [2022-01-18 03:41:03,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 03:41:03,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 03:41:03,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 03:41:03,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 03:41:03,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,559 INFO L137 Inliner]: procedures = 10, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-01-18 03:41:03,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 03:41:03,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 03:41:03,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 03:41:03,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 03:41:03,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 03:41:03,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 03:41:03,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 03:41:03,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 03:41:03,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (1/1) ... [2022-01-18 03:41:03,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:41:03,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:41:03,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 03:41:03,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 03:41:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 03:41:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2022-01-18 03:41:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2022-01-18 03:41:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 03:41:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 03:41:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 03:41:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 03:41:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 03:41:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 03:41:03,633 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 03:41:03,731 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 03:41:03,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 03:41:03,950 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 03:41:03,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 03:41:03,961 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-18 03:41:03,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:41:03 BoogieIcfgContainer [2022-01-18 03:41:03,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 03:41:03,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 03:41:03,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 03:41:03,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 03:41:03,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 03:41:03" (1/3) ... [2022-01-18 03:41:03,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416a085e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:41:03, skipping insertion in model container [2022-01-18 03:41:03,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:41:03" (2/3) ... [2022-01-18 03:41:03,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416a085e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:41:03, skipping insertion in model container [2022-01-18 03:41:03,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:41:03" (3/3) ... [2022-01-18 03:41:03,971 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2022-01-18 03:41:03,974 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 03:41:03,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 03:41:03,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 03:41:03,974 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 03:41:04,007 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,007 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,007 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,007 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,008 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,008 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,008 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,008 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,008 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,009 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,009 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,009 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,009 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,009 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,009 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,009 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,010 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,010 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,010 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,010 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,010 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,010 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,010 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,011 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,011 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,011 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,011 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,011 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,011 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,012 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,012 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,012 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,012 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,012 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,013 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,013 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,013 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,013 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,013 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,013 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,014 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,014 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,014 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,014 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,014 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,014 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,015 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,015 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,015 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,015 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,016 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,016 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,016 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,016 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,016 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,017 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,017 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,017 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,017 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,017 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,018 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,018 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,018 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,018 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,019 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,019 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,019 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,019 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,019 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,020 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,020 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,020 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,020 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,020 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,020 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,021 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,021 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,021 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,021 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,021 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,022 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,022 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,022 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,022 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,022 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,022 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,022 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,023 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,023 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,023 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,023 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,023 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,023 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,024 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,024 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,024 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,024 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,024 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,024 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,024 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,025 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,025 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,025 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,025 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,025 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,025 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,025 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,026 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,026 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,026 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,026 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,026 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,026 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,027 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,027 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,027 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,027 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,027 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,028 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,028 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,028 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,028 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,028 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,028 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,029 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,029 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,029 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,029 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,030 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,030 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,030 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,030 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,031 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,031 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,031 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,031 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,031 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,032 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,032 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,032 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,032 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,033 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,033 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,033 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,033 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,033 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,033 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,034 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,034 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,034 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,034 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,034 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,034 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,035 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,035 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,035 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,035 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,035 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,035 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,036 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,039 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,039 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,039 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,039 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,039 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,039 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,040 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,040 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,040 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,040 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,040 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,040 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,041 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,043 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,043 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,043 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,043 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,044 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,044 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,044 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,044 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,044 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,044 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,044 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,045 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,045 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:41:04,048 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 03:41:04,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 03:41:04,091 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 03:41:04,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 03:41:04,102 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 147 places, 148 transitions, 312 flow [2022-01-18 03:41:04,211 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) [2022-01-18 03:41:04,220 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) [2022-01-18 03:41:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-18 03:41:04,250 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:41:04,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:41:04,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:41:04,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:41:04,257 INFO L85 PathProgramCache]: Analyzing trace with hash -506612919, now seen corresponding path program 1 times [2022-01-18 03:41:04,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:41:04,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386003210] [2022-01-18 03:41:04,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:41:04,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:41:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:41:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:41:04,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:41:04,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386003210] [2022-01-18 03:41:04,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386003210] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:41:04,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:41:04,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 03:41:04,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132888149] [2022-01-18 03:41:04,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:41:04,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 03:41:04,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:41:04,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 03:41:04,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 03:41:04,481 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) [2022-01-18 03:41:04,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:41:04,530 INFO L93 Difference]: Finished difference Result 2268 states and 6109 transitions. [2022-01-18 03:41:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 03:41:04,533 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 [2022-01-18 03:41:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:41:04,557 INFO L225 Difference]: With dead ends: 2268 [2022-01-18 03:41:04,557 INFO L226 Difference]: Without dead ends: 2268 [2022-01-18 03:41:04,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 03:41:04,561 INFO L933 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 [2022-01-18 03:41:04,562 INFO L934 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] [2022-01-18 03:41:04,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-01-18 03:41:04,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2268. [2022-01-18 03:41:04,679 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) [2022-01-18 03:41:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 6109 transitions. [2022-01-18 03:41:04,691 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 6109 transitions. Word has length 98 [2022-01-18 03:41:04,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:41:04,692 INFO L470 AbstractCegarLoop]: Abstraction has 2268 states and 6109 transitions. [2022-01-18 03:41:04,692 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) [2022-01-18 03:41:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 6109 transitions. [2022-01-18 03:41:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-18 03:41:04,702 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:41:04,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:41:04,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 03:41:04,703 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:41:04,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:41:04,706 INFO L85 PathProgramCache]: Analyzing trace with hash 527797737, now seen corresponding path program 1 times [2022-01-18 03:41:04,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:41:04,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028341691] [2022-01-18 03:41:04,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:41:04,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:41:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:41:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:41:04,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:41:04,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028341691] [2022-01-18 03:41:04,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028341691] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:41:04,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:41:04,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 03:41:04,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504645567] [2022-01-18 03:41:04,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:41:04,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 03:41:04,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:41:04,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 03:41:04,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:41:04,971 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) [2022-01-18 03:41:05,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:41:05,055 INFO L93 Difference]: Finished difference Result 3901 states and 10613 transitions. [2022-01-18 03:41:05,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 03:41:05,056 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 [2022-01-18 03:41:05,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:41:05,077 INFO L225 Difference]: With dead ends: 3901 [2022-01-18 03:41:05,077 INFO L226 Difference]: Without dead ends: 3901 [2022-01-18 03:41:05,077 INFO L932 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 [2022-01-18 03:41:05,082 INFO L933 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 [2022-01-18 03:41:05,082 INFO L934 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] [2022-01-18 03:41:05,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2022-01-18 03:41:05,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3537. [2022-01-18 03:41:05,196 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) [2022-01-18 03:41:05,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 9650 transitions. [2022-01-18 03:41:05,216 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 9650 transitions. Word has length 98 [2022-01-18 03:41:05,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:41:05,219 INFO L470 AbstractCegarLoop]: Abstraction has 3537 states and 9650 transitions. [2022-01-18 03:41:05,219 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) [2022-01-18 03:41:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 9650 transitions. [2022-01-18 03:41:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-18 03:41:05,234 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:41:05,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:41:05,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 03:41:05,235 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:41:05,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:41:05,236 INFO L85 PathProgramCache]: Analyzing trace with hash -768577290, now seen corresponding path program 1 times [2022-01-18 03:41:05,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:41:05,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649195203] [2022-01-18 03:41:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:41:05,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:41:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:41:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:41:05,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:41:05,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649195203] [2022-01-18 03:41:05,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649195203] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:41:05,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:41:05,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 03:41:05,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082778050] [2022-01-18 03:41:05,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:41:05,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 03:41:05,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:41:05,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 03:41:05,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 03:41:05,400 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) [2022-01-18 03:41:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:41:05,500 INFO L93 Difference]: Finished difference Result 3543 states and 9655 transitions. [2022-01-18 03:41:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 03:41:05,501 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 [2022-01-18 03:41:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:41:05,521 INFO L225 Difference]: With dead ends: 3543 [2022-01-18 03:41:05,521 INFO L226 Difference]: Without dead ends: 3481 [2022-01-18 03:41:05,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-18 03:41:05,523 INFO L933 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 [2022-01-18 03:41:05,524 INFO L934 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] [2022-01-18 03:41:05,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2022-01-18 03:41:05,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3481. [2022-01-18 03:41:05,638 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) [2022-01-18 03:41:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9520 transitions. [2022-01-18 03:41:05,656 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9520 transitions. Word has length 98 [2022-01-18 03:41:05,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:41:05,657 INFO L470 AbstractCegarLoop]: Abstraction has 3481 states and 9520 transitions. [2022-01-18 03:41:05,657 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) [2022-01-18 03:41:05,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9520 transitions. [2022-01-18 03:41:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 03:41:05,672 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:41:05,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:41:05,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 03:41:05,673 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:41:05,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:41:05,674 INFO L85 PathProgramCache]: Analyzing trace with hash -626893572, now seen corresponding path program 1 times [2022-01-18 03:41:05,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:41:05,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502594452] [2022-01-18 03:41:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:41:05,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:41:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:41:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:41:09,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:41:09,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502594452] [2022-01-18 03:41:09,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502594452] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 03:41:09,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003920615] [2022-01-18 03:41:09,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:41:09,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:41:09,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:41:09,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 03:41:09,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 03:41:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:41:10,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-01-18 03:41:10,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 03:41:11,185 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 [2022-01-18 03:41:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:41:11,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 03:41:11,331 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:41:11,331 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 [2022-01-18 03:41:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:41:11,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003920615] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 03:41:11,800 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 03:41:11,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 14, 14] total 55 [2022-01-18 03:41:11,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844636352] [2022-01-18 03:41:11,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 03:41:11,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-01-18 03:41:11,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:41:11,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-01-18 03:41:11,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2914, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 03:41:11,805 INFO L87 Difference]: Start difference. First operand 3481 states and 9520 transitions. Second operand has 56 states, 55 states have (on average 3.618181818181818) internal successors, (199), 56 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) [2022-01-18 03:45:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:45:34,563 INFO L93 Difference]: Finished difference Result 52374 states and 148002 transitions. [2022-01-18 03:45:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 687 states. [2022-01-18 03:45:34,563 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 3.618181818181818) internal successors, (199), 56 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 [2022-01-18 03:45:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:45:34,773 INFO L225 Difference]: With dead ends: 52374 [2022-01-18 03:45:34,773 INFO L226 Difference]: Without dead ends: 45378 [2022-01-18 03:45:34,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 737 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223436 ImplicationChecksByTransitivity, 242.4s TimeCoverageRelationStatistics Valid=53738, Invalid=491644, Unknown=0, NotChecked=0, Total=545382 [2022-01-18 03:45:34,838 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 8344 mSDsluCounter, 28864 mSDsCounter, 0 mSdLazyCounter, 26734 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8344 SdHoareTripleChecker+Valid, 28675 SdHoareTripleChecker+Invalid, 27166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 26734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:45:34,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8344 Valid, 28675 Invalid, 27166 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [432 Valid, 26734 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2022-01-18 03:45:34,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45378 states. [2022-01-18 03:45:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45378 to 4635. [2022-01-18 03:45:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4635 states, 4634 states have (on average 2.809883470004316) internal successors, (13021), 4634 states have internal predecessors, (13021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:45:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4635 states and 13021 transitions. [2022-01-18 03:45:35,409 INFO L78 Accepts]: Start accepts. Automaton has 4635 states and 13021 transitions. Word has length 107 [2022-01-18 03:45:35,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:45:35,410 INFO L470 AbstractCegarLoop]: Abstraction has 4635 states and 13021 transitions. [2022-01-18 03:45:35,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 3.618181818181818) internal successors, (199), 56 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) [2022-01-18 03:45:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4635 states and 13021 transitions. [2022-01-18 03:45:35,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 03:45:35,422 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:45:35,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:45:35,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 03:45:35,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:45:35,644 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:45:35,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:45:35,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1224327644, now seen corresponding path program 1 times [2022-01-18 03:45:35,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:45:35,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820133254] [2022-01-18 03:45:35,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:45:35,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:45:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:45:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:45:36,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:45:36,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820133254] [2022-01-18 03:45:36,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820133254] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 03:45:36,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111317309] [2022-01-18 03:45:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:45:36,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:45:36,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:45:36,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 03:45:36,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 03:45:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:45:36,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-01-18 03:45:36,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 03:45:37,139 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 [2022-01-18 03:45:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:45:37,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 03:45:37,282 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:45:37,282 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 [2022-01-18 03:45:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:45:37,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111317309] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 03:45:37,600 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 03:45:37,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14, 14] total 37 [2022-01-18 03:45:37,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595208167] [2022-01-18 03:45:37,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 03:45:37,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-01-18 03:45:37,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:45:37,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-01-18 03:45:37,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2022-01-18 03:45:37,602 INFO L87 Difference]: Start difference. First operand 4635 states and 13021 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) [2022-01-18 03:45:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:45:44,417 INFO L93 Difference]: Finished difference Result 17540 states and 50115 transitions. [2022-01-18 03:45:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-01-18 03:45:44,418 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 [2022-01-18 03:45:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:45:44,431 INFO L225 Difference]: With dead ends: 17540 [2022-01-18 03:45:44,431 INFO L226 Difference]: Without dead ends: 4164 [2022-01-18 03:45:44,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3741 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2860, Invalid=12640, Unknown=0, NotChecked=0, Total=15500 [2022-01-18 03:45:44,434 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 2671 mSDsluCounter, 6105 mSDsCounter, 0 mSdLazyCounter, 3329 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 3420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 03:45:44,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2671 Valid, 6150 Invalid, 3420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3329 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 03:45:44,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2022-01-18 03:45:44,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 2333. [2022-01-18 03:45:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 2332 states have (on average 2.634219554030875) internal successors, (6143), 2332 states have internal predecessors, (6143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:45:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 6143 transitions. [2022-01-18 03:45:44,500 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 6143 transitions. Word has length 107 [2022-01-18 03:45:44,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:45:44,500 INFO L470 AbstractCegarLoop]: Abstraction has 2333 states and 6143 transitions. [2022-01-18 03:45:44,500 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) [2022-01-18 03:45:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 6143 transitions. [2022-01-18 03:45:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 03:45:44,507 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:45:44,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:45:44,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 03:45:44,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:45:44,731 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:45:44,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:45:44,732 INFO L85 PathProgramCache]: Analyzing trace with hash -305878864, now seen corresponding path program 2 times [2022-01-18 03:45:44,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:45:44,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753591295] [2022-01-18 03:45:44,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:45:44,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:45:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:45:45,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:45:45,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:45:45,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753591295] [2022-01-18 03:45:45,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753591295] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 03:45:45,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705769601] [2022-01-18 03:45:45,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 03:45:45,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:45:45,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:45:45,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 03:45:45,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 03:45:45,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 03:45:45,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 03:45:45,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 73 conjunts are in the unsatisfiable core [2022-01-18 03:45:45,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 03:45:45,733 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 03:45:45,842 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-18 03:45:45,843 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 [2022-01-18 03:45:45,879 INFO L353 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-01-18 03:45:45,879 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 [2022-01-18 03:45:46,244 INFO L353 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-01-18 03:45:46,245 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 [2022-01-18 03:45:46,452 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 [2022-01-18 03:45:47,497 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 03:45:47,498 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 [2022-01-18 03:45:47,526 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 [2022-01-18 03:45:47,923 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 [2022-01-18 03:45:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:45:47,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 03:45:48,440 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 [2022-01-18 03:45:49,093 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 [2022-01-18 03:45:49,214 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:45:49,215 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 [2022-01-18 03:45:49,289 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:45:49,289 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 [2022-01-18 03:45:49,325 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:45:49,325 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 [2022-01-18 03:47:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:47:11,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705769601] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 03:47:11,621 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 03:47:11,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 28] total 69 [2022-01-18 03:47:11,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298904210] [2022-01-18 03:47:11,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 03:47:11,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-01-18 03:47:11,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:47:11,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-01-18 03:47:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=4174, Unknown=13, NotChecked=266, Total=4830 [2022-01-18 03:47:11,624 INFO L87 Difference]: Start difference. First operand 2333 states and 6143 transitions. Second operand has 70 states, 69 states have (on average 3.8405797101449277) internal successors, (265), 70 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:47:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:47:14,227 INFO L93 Difference]: Finished difference Result 3251 states and 8373 transitions. [2022-01-18 03:47:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 03:47:14,228 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 3.8405797101449277) internal successors, (265), 70 states have internal predecessors, (265), 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 [2022-01-18 03:47:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:47:14,234 INFO L225 Difference]: With dead ends: 3251 [2022-01-18 03:47:14,234 INFO L226 Difference]: Without dead ends: 2909 [2022-01-18 03:47:14,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 176 SyntacticMatches, 10 SemanticMatches, 95 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 1833 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=845, Invalid=8080, Unknown=13, NotChecked=374, Total=9312 [2022-01-18 03:47:14,236 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 443 mSDsluCounter, 4113 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 4139 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1064 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 03:47:14,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 4139 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 963 Invalid, 0 Unknown, 1064 Unchecked, 0.5s Time] [2022-01-18 03:47:14,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2022-01-18 03:47:14,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2828. [2022-01-18 03:47:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2827 states have (on average 2.606650159179342) internal successors, (7369), 2827 states have internal predecessors, (7369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:47:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 7369 transitions. [2022-01-18 03:47:14,288 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 7369 transitions. Word has length 107 [2022-01-18 03:47:14,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:47:14,289 INFO L470 AbstractCegarLoop]: Abstraction has 2828 states and 7369 transitions. [2022-01-18 03:47:14,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 3.8405797101449277) internal successors, (265), 70 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:47:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 7369 transitions. [2022-01-18 03:47:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 03:47:14,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:47:14,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:47:14,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 03:47:14,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:47:14,520 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:47:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:47:14,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1194539710, now seen corresponding path program 3 times [2022-01-18 03:47:14,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:47:14,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781498628] [2022-01-18 03:47:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:47:14,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:47:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:47:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:47:15,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:47:15,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781498628] [2022-01-18 03:47:15,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781498628] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 03:47:15,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764995676] [2022-01-18 03:47:15,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 03:47:15,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:47:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:47:15,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 03:47:15,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 03:47:15,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-18 03:47:15,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 03:47:15,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-18 03:47:15,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 03:47:15,622 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 03:47:15,815 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 03:47:15,815 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 [2022-01-18 03:47:15,830 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 03:47:15,831 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 [2022-01-18 03:47:16,268 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 [2022-01-18 03:47:16,458 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 [2022-01-18 03:47:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:47:16,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 03:47:16,561 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 [2022-01-18 03:47:16,611 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:47:16,612 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 [2022-01-18 03:47:16,615 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 [2022-01-18 03:47:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:47:17,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764995676] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 03:47:17,186 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 03:47:17,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 17, 17] total 47 [2022-01-18 03:47:17,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792573267] [2022-01-18 03:47:17,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 03:47:17,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-01-18 03:47:17,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:47:17,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-01-18 03:47:17,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2006, Unknown=1, NotChecked=90, Total=2256 [2022-01-18 03:47:17,188 INFO L87 Difference]: Start difference. First operand 2828 states and 7369 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) [2022-01-18 03:47:24,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:47:24,229 INFO L93 Difference]: Finished difference Result 8485 states and 22598 transitions. [2022-01-18 03:47:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-01-18 03:47:24,229 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 [2022-01-18 03:47:24,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:47:24,231 INFO L225 Difference]: With dead ends: 8485 [2022-01-18 03:47:24,232 INFO L226 Difference]: Without dead ends: 1379 [2022-01-18 03:47:24,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 210 SyntacticMatches, 16 SemanticMatches, 121 ConstructedPredicates, 1 IntricatePredicates, 6 DeprecatedPredicates, 3772 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=2463, Invalid=12302, Unknown=1, NotChecked=240, Total=15006 [2022-01-18 03:47:24,234 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 3358 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 3865 SdHoareTripleChecker+Invalid, 3026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 699 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:47:24,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3358 Valid, 3865 Invalid, 3026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2197 Invalid, 0 Unknown, 699 Unchecked, 1.0s Time] [2022-01-18 03:47:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2022-01-18 03:47:24,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1280. [2022-01-18 03:47:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1279 states have (on average 2.540265832681783) internal successors, (3249), 1279 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:47:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 3249 transitions. [2022-01-18 03:47:24,254 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 3249 transitions. Word has length 107 [2022-01-18 03:47:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:47:24,254 INFO L470 AbstractCegarLoop]: Abstraction has 1280 states and 3249 transitions. [2022-01-18 03:47:24,255 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) [2022-01-18 03:47:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 3249 transitions. [2022-01-18 03:47:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 03:47:24,258 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:47:24,258 INFO L514 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] [2022-01-18 03:47:24,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 03:47:24,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:47:24,471 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:47:24,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:47:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1715727525, now seen corresponding path program 1 times [2022-01-18 03:47:24,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:47:24,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439207642] [2022-01-18 03:47:24,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:47:24,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:47:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:47:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:47:25,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:47:25,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439207642] [2022-01-18 03:47:25,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439207642] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 03:47:25,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665137622] [2022-01-18 03:47:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:47:25,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:47:25,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:47:25,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 03:47:25,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 03:47:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:47:25,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-18 03:47:25,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 03:47:25,667 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 03:47:25,823 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-18 03:47:25,824 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 [2022-01-18 03:47:25,872 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 03:47:25,872 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 [2022-01-18 03:47:26,296 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 [2022-01-18 03:47:26,471 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 [2022-01-18 03:47:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 03:47:26,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 03:47:26,558 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 [2022-01-18 03:47:26,581 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 [2022-01-18 03:47:26,636 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:47:26,636 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 [2022-01-18 03:47:26,639 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 [2022-01-18 03:47:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 5 not checked. [2022-01-18 03:47:27,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665137622] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 03:47:27,253 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 03:47:27,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 17] total 49 [2022-01-18 03:47:27,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294692396] [2022-01-18 03:47:27,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 03:47:27,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-18 03:47:27,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:47:27,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-18 03:47:27,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=2108, Unknown=2, NotChecked=186, Total=2450 [2022-01-18 03:47:27,255 INFO L87 Difference]: Start difference. First operand 1280 states and 3249 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) [2022-01-18 03:47:32,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:47:32,933 INFO L93 Difference]: Finished difference Result 7084 states and 18642 transitions. [2022-01-18 03:47:32,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-01-18 03:47:32,933 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 [2022-01-18 03:47:32,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:47:32,941 INFO L225 Difference]: With dead ends: 7084 [2022-01-18 03:47:32,941 INFO L226 Difference]: Without dead ends: 4406 [2022-01-18 03:47:32,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 211 SyntacticMatches, 11 SemanticMatches, 114 ConstructedPredicates, 2 IntricatePredicates, 2 DeprecatedPredicates, 2951 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1794, Invalid=11094, Unknown=2, NotChecked=450, Total=13340 [2022-01-18 03:47:32,944 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 2719 mSDsluCounter, 4466 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 4359 SdHoareTripleChecker+Invalid, 3551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1167 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:47:32,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2719 Valid, 4359 Invalid, 3551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2265 Invalid, 0 Unknown, 1167 Unchecked, 1.0s Time] [2022-01-18 03:47:32,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2022-01-18 03:47:32,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 1547. [2022-01-18 03:47:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1546 states have (on average 2.5504527813712805) internal successors, (3943), 1546 states have internal predecessors, (3943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:47:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 3943 transitions. [2022-01-18 03:47:32,984 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 3943 transitions. Word has length 114 [2022-01-18 03:47:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:47:32,984 INFO L470 AbstractCegarLoop]: Abstraction has 1547 states and 3943 transitions. [2022-01-18 03:47:32,984 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) [2022-01-18 03:47:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 3943 transitions. [2022-01-18 03:47:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 03:47:32,989 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:47:32,989 INFO L514 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] [2022-01-18 03:47:33,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 03:47:33,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:47:33,204 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 03:47:33,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:47:33,204 INFO L85 PathProgramCache]: Analyzing trace with hash -780182513, now seen corresponding path program 2 times [2022-01-18 03:47:33,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:47:33,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37892001] [2022-01-18 03:47:33,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:47:33,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:47:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:47:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:47:34,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:47:34,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37892001] [2022-01-18 03:47:34,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37892001] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 03:47:34,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144913619] [2022-01-18 03:47:34,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 03:47:34,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:47:34,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:47:34,391 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 03:47:34,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 03:47:34,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 03:47:34,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 03:47:34,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 85 conjunts are in the unsatisfiable core [2022-01-18 03:47:34,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 03:47:34,642 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 03:47:34,697 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 03:47:34,697 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 [2022-01-18 03:47:34,861 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 03:47:34,861 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2022-01-18 03:47:35,035 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-01-18 03:47:36,224 INFO L353 Elim1Store]: treesize reduction 125, result has 27.3 percent of original size [2022-01-18 03:47:36,224 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 case distinctions, treesize of input 52 treesize of output 69 [2022-01-18 03:47:37,868 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:47:37,868 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 35 [2022-01-18 03:47:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:47:37,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 03:47:39,054 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_286 Int) (v_ArrVal_285 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher1~0#1.base| v_ArrVal_285))) (let ((.cse0 (select .cse2 c_~search_haystack~0.base)) (.cse1 (* (select (select .cse2 |c_ULTIMATE.start_search_~#bounds1~0#1.base|) |c_ULTIMATE.start_search_~#bounds1~0#1.offset|) 4))) (or (= c_~search_needle~0 (select .cse0 (+ c_~search_haystack~0.offset .cse1))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store .cse2 |c_ULTIMATE.start_search_~#searcher2~0#1.base| (store (select .cse2 |c_ULTIMATE.start_search_~#searcher2~0#1.base|) |c_ULTIMATE.start_search_~#searcher2~0#1.offset| v_ArrVal_286)) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| .cse1 4))) (not (= (select .cse0 (+ c_~search_haystack~0.offset .cse1 4)) c_~search_needle~0)))))) is different from false [2022-01-18 03:47:39,117 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 03:47:39,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 777 treesize of output 763 [2022-01-18 03:47:39,343 INFO L353 Elim1Store]: treesize reduction 54, result has 81.3 percent of original size [2022-01-18 03:47:39,344 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 901 treesize of output 971 Received shutdown request... [2022-01-18 03:54:12,207 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-01-18 03:54:12,209 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-18 03:54:12,220 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 03:54:12,220 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 03:54:12,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-01-18 03:54:12,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 03:54:12,410 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 28ms.. [2022-01-18 03:54:12,412 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 03:54:12,412 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 03:54:12,415 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-01-18 03:54:12,417 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 03:54:12,417 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 03:54:12,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 03:54:12 BasicIcfg [2022-01-18 03:54:12,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 03:54:12,423 INFO L158 Benchmark]: Toolchain (without parser) took 789131.90ms. Allocated memory was 367.0MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 306.2MB in the beginning and 970.2MB in the end (delta: -664.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2022-01-18 03:54:12,423 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 367.0MB. Free memory is still 325.3MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 03:54:12,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.05ms. Allocated memory was 367.0MB in the beginning and 457.2MB in the end (delta: 90.2MB). Free memory was 306.0MB in the beginning and 424.5MB in the end (delta: -118.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.0GB. [2022-01-18 03:54:12,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.54ms. Allocated memory is still 457.2MB. Free memory was 424.5MB in the beginning and 423.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 03:54:12,423 INFO L158 Benchmark]: Boogie Preprocessor took 21.11ms. Allocated memory is still 457.2MB. Free memory was 423.4MB in the beginning and 421.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 03:54:12,424 INFO L158 Benchmark]: RCFGBuilder took 382.65ms. Allocated memory is still 457.2MB. Free memory was 421.3MB in the beginning and 404.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 03:54:12,425 INFO L158 Benchmark]: TraceAbstraction took 788456.81ms. Allocated memory was 457.2MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 404.5MB in the beginning and 970.2MB in the end (delta: -565.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2022-01-18 03:54:12,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 367.0MB. Free memory is still 325.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 236.05ms. Allocated memory was 367.0MB in the beginning and 457.2MB in the end (delta: 90.2MB). Free memory was 306.0MB in the beginning and 424.5MB in the end (delta: -118.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 30.54ms. Allocated memory is still 457.2MB. Free memory was 424.5MB in the beginning and 423.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 21.11ms. Allocated memory is still 457.2MB. Free memory was 423.4MB in the beginning and 421.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 382.65ms. Allocated memory is still 457.2MB. Free memory was 421.3MB in the beginning and 404.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 788456.81ms. Allocated memory was 457.2MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 404.5MB in the beginning and 970.2MB in the end (delta: -565.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 28ms.. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 28ms.. - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 28ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 165 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 788.3s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 285.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17601 SdHoareTripleChecker+Valid, 22.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17601 mSDsluCounter, 47999 SdHoareTripleChecker+Invalid, 19.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2930 IncrementalHoareTripleChecker+Unchecked, 47836 mSDsCounter, 793 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35545 IncrementalHoareTripleChecker+Invalid, 39268 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 793 mSolverCounterUnsat, 2211 mSDtfsCounter, 35545 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2245 GetRequests, 1009 SyntacticMatches, 39 SemanticMatches, 1197 ConstructedPredicates, 5 IntricatePredicates, 9 DeprecatedPredicates, 235735 ImplicationChecksByTransitivity, 265.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4635occurred in iteration=4, InterpolantAutomatonStates: 984, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 45977 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 100.0s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1902 ConstructedInterpolants, 104 QuantifiedInterpolants, 26419 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown