/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:29:33,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:29:33,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:29:33,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:29:33,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:29:33,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:29:33,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:29:33,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:29:33,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:29:33,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:29:33,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:29:33,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:29:33,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:29:33,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:29:33,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:29:33,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:29:33,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:29:33,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:29:33,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:29:33,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:29:33,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:29:33,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:29:33,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:29:33,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:29:33,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 20:29:33,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:29:33,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:29:33,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:29:33,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:29:33,663 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:29:33,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:29:33,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:29:33,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:29:33,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:29:33,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:29:33,665 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:29:33,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:29:33,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:29:33,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:29:33,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:29:33,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:29:33,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:29:33,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:29:33,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:29:33,667 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:29:33,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:29:33,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:29:33,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:29:33,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:29:33,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:29:33,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:29:33,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:29:33,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:29:33,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:29:33,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:29:33,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:29:33,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:29:33,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:29:33,669 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:29:33,670 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:29:33,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:29:33,670 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 20:29:33,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:29:33,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:29:33,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:29:33,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:29:33,931 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:29:33,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2022-03-15 20:29:33,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0478b43af/68751512b0704c75be6825722a18ec8f/FLAGd69474a50 [2022-03-15 20:29:34,415 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:29:34,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2022-03-15 20:29:34,416 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 20:29:34,416 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 20:29:34,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0478b43af/68751512b0704c75be6825722a18ec8f/FLAGd69474a50 [2022-03-15 20:29:34,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0478b43af/68751512b0704c75be6825722a18ec8f [2022-03-15 20:29:34,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:29:34,970 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:29:34,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:29:34,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:29:34,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:29:34,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:29:34" (1/1) ... [2022-03-15 20:29:34,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79eb587f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:34, skipping insertion in model container [2022-03-15 20:29:34,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:29:34" (1/1) ... [2022-03-15 20:29:34,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:29:34,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:29:35,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:29:35,230 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:29:35,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:29:35,276 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:29:35,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35 WrapperNode [2022-03-15 20:29:35,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:29:35,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:29:35,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:29:35,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:29:35,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,327 INFO L137 Inliner]: procedures = 10, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-03-15 20:29:35,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:29:35,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:29:35,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:29:35,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:29:35,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:29:35,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:29:35,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:29:35,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:29:35,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (1/1) ... [2022-03-15 20:29:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:29:35,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:29:35,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 20:29:35,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 20:29:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:29:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2022-03-15 20:29:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2022-03-15 20:29:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:29:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:29:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:29:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:29:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:29:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:29:35,444 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:29:35,567 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:29:35,568 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:29:35,754 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:29:35,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:29:35,762 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 20:29:35,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:29:35 BoogieIcfgContainer [2022-03-15 20:29:35,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:29:35,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:29:35,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:29:35,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:29:35,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:29:34" (1/3) ... [2022-03-15 20:29:35,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cf5c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:29:35, skipping insertion in model container [2022-03-15 20:29:35,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:29:35" (2/3) ... [2022-03-15 20:29:35,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cf5c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:29:35, skipping insertion in model container [2022-03-15 20:29:35,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:29:35" (3/3) ... [2022-03-15 20:29:35,774 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2022-03-15 20:29:35,779 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:29:35,779 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:29:35,779 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 20:29:35,779 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:29:35,820 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,821 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,821 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,821 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,821 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,822 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,822 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,822 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,822 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,822 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,822 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,823 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,823 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,823 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,823 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,823 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,824 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,824 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,824 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,824 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,824 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,825 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,825 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,825 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,825 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,825 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,825 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,826 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,826 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,826 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,826 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,826 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,827 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,827 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,827 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,827 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,828 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,828 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,828 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,828 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,828 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,828 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,829 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,829 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,829 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,829 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,830 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,830 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,832 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,833 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,834 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,834 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,834 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,834 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,835 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,835 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,838 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,838 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,839 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,839 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,839 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,839 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,840 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,840 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,840 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,840 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,840 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,840 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,841 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,841 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,841 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,841 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,841 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,841 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,842 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,842 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,842 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,842 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,842 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,842 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,843 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,843 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,843 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,843 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,843 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,843 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,843 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,844 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,844 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,844 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,844 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,844 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,844 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,844 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,845 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,845 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,845 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,845 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,845 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,845 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,845 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,846 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,846 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,846 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,846 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,846 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,846 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,846 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,847 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,847 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,851 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,852 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,852 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,852 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,853 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,853 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,853 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,853 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,853 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,853 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,854 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,854 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,854 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,854 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,854 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,855 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,855 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,856 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,856 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,856 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,857 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,857 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,858 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,858 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,858 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,859 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,859 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,859 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,860 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,860 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,860 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,863 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,863 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,863 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,863 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,864 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,864 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,864 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,864 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,864 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,864 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,864 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,865 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,865 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,865 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,865 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,865 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,865 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,865 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,866 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,872 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,872 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,873 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,875 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,875 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,878 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,878 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,878 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,878 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,878 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,878 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,879 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,880 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,884 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,884 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,885 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,885 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,885 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,885 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,885 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,885 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,885 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,886 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,886 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,886 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,886 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:29:35,895 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 20:29:35,946 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:29:35,952 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:29:35,952 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 20:29:35,969 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:29:35,976 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 148 transitions, 312 flow [2022-03-15 20:29:35,983 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 148 transitions, 312 flow [2022-03-15 20:29:35,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 148 transitions, 312 flow [2022-03-15 20:29:36,044 INFO L129 PetriNetUnfolder]: 8/146 cut-off events. [2022-03-15 20:29:36,044 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 20:29:36,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 146 events. 8/146 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 157 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2022-03-15 20:29:36,051 INFO L116 LiptonReduction]: Number of co-enabled transitions 2016 [2022-03-15 20:29:41,033 INFO L131 LiptonReduction]: Checked pairs total: 3147 [2022-03-15 20:29:41,033 INFO L133 LiptonReduction]: Total number of compositions: 142 [2022-03-15 20:29:41,040 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 26 transitions, 68 flow [2022-03-15 20:29:41,061 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 98 states, 97 states have (on average 2.6288659793814433) internal successors, (255), 97 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 97 states have (on average 2.6288659793814433) internal successors, (255), 97 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 20:29:41,070 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:29:41,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:29:41,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:29:41,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:29:41,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1138692673, now seen corresponding path program 1 times [2022-03-15 20:29:41,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:29:41,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482861399] [2022-03-15 20:29:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:29:41,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:29:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:29:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:41,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:29:41,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482861399] [2022-03-15 20:29:41,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482861399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:29:41,313 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:29:41,313 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 20:29:41,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [340858067] [2022-03-15 20:29:41,315 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:29:41,319 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:29:41,337 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 68 transitions. [2022-03-15 20:29:41,338 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:29:41,629 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:29:41,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:29:41,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:29:41,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:29:41,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:29:41,655 INFO L87 Difference]: Start difference. First operand has 98 states, 97 states have (on average 2.6288659793814433) internal successors, (255), 97 states have internal predecessors, (255), 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 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:41,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:29:41,721 INFO L93 Difference]: Finished difference Result 159 states and 422 transitions. [2022-03-15 20:29:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:29:41,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2022-03-15 20:29:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:29:41,734 INFO L225 Difference]: With dead ends: 159 [2022-03-15 20:29:41,734 INFO L226 Difference]: Without dead ends: 154 [2022-03-15 20:29:41,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:29:41,739 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:29:41,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:29:41,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-03-15 20:29:41,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2022-03-15 20:29:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 2.7099236641221376) internal successors, (355), 131 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 355 transitions. [2022-03-15 20:29:41,796 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 355 transitions. Word has length 14 [2022-03-15 20:29:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:29:41,796 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 355 transitions. [2022-03-15 20:29:41,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 355 transitions. [2022-03-15 20:29:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 20:29:41,799 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:29:41,799 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:29:41,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:29:41,799 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:29:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:29:41,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1316955643, now seen corresponding path program 1 times [2022-03-15 20:29:41,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:29:41,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615022913] [2022-03-15 20:29:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:29:41,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:29:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:29:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:42,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:29:42,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615022913] [2022-03-15 20:29:42,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615022913] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:29:42,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806988294] [2022-03-15 20:29:42,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:29:42,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:29:42,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:29:42,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:29:42,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 20:29:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:29:42,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-15 20:29:42,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:29:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:42,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:29:42,413 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:29:42,414 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 [2022-03-15 20:29:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:42,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806988294] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:29:42,515 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:29:42,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-03-15 20:29:42,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1903394314] [2022-03-15 20:29:42,516 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:29:42,519 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:29:42,527 INFO L252 McrAutomatonBuilder]: Finished intersection with 51 states and 89 transitions. [2022-03-15 20:29:42,527 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:29:43,477 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:29:43,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 20:29:43,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:29:43,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 20:29:43,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 20:29:43,478 INFO L87 Difference]: Start difference. First operand 132 states and 355 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:43,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:29:43,629 INFO L93 Difference]: Finished difference Result 189 states and 512 transitions. [2022-03-15 20:29:43,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:29:43,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 17 [2022-03-15 20:29:43,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:29:43,631 INFO L225 Difference]: With dead ends: 189 [2022-03-15 20:29:43,631 INFO L226 Difference]: Without dead ends: 154 [2022-03-15 20:29:43,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:29:43,632 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 29 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:29:43,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 11 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:29:43,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-03-15 20:29:43,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 106. [2022-03-15 20:29:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 2.6952380952380954) internal successors, (283), 105 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 283 transitions. [2022-03-15 20:29:43,640 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 283 transitions. Word has length 17 [2022-03-15 20:29:43,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:29:43,641 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 283 transitions. [2022-03-15 20:29:43,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 283 transitions. [2022-03-15 20:29:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 20:29:43,642 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:29:43,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:29:43,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 20:29:43,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:29:43,860 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:29:43,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:29:43,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1166446161, now seen corresponding path program 1 times [2022-03-15 20:29:43,861 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:29:43,861 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765985289] [2022-03-15 20:29:43,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:29:43,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:29:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:29:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:44,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:29:44,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765985289] [2022-03-15 20:29:44,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765985289] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:29:44,423 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:29:44,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 20:29:44,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2036377756] [2022-03-15 20:29:44,423 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:29:44,426 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:29:44,434 INFO L252 McrAutomatonBuilder]: Finished intersection with 48 states and 84 transitions. [2022-03-15 20:29:44,434 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:29:46,257 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 15 new interpolants: [1295#(and (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork1_~i~0 0)) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (= search_workerThread1of1ForFork1_~i~0 0)) (or (not (= (+ ~search_found~0 (* (- 256) (div ~search_found~0 256))) 0)) (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (<= search_workerThread1of1ForFork1_~upper~0 0)) (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|)))), 1297#(and (or (<= (* 2 search_workerThread1of1ForFork0_~i~0) search_workerThread1of1ForFork0_~upper~0) (<= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) 0)) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (= |search_workerThread1of1ForFork1_#t~mem0| 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|)) (or (= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) search_workerThread1of1ForFork0_~i~0) (<= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) 0))), 1306#(and (or (= (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))) (<= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) 0)) (= |search_workerThread1of1ForFork0_#in~params.base| |ULTIMATE.start_search_~#bounds2~0#1.base|) (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0) (or (= |search_workerThread1of1ForFork0_#in~params.offset| 0) (<= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) 0)) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|)) (or (<= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) 0) (<= (* 2 (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|)) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))))), 1294#(and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0)), 1293#(and (or (not (= (+ ~search_found~0 (* (- 256) (div ~search_found~0 256))) 0)) (<= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) 0)) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (= |search_workerThread1of1ForFork1_#t~mem0| 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))), 1299#(and (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0) (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0)) (or (not (= (+ ~search_found~0 (* (- 256) (div ~search_found~0 256))) 0)) (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (<= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) 0)) (or (= (mod ~search_found~0 256) 0) (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0)) (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|)))), 1296#(and (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (= (mod ~search_found~0 256) 0) (= |search_workerThread1of1ForFork1_#t~mem0| 0)) (or (not (= (+ ~search_found~0 (* (- 256) (div ~search_found~0 256))) 0)) (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (<= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) 0)) (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (< search_workerThread1of1ForFork0_~i~0 search_workerThread1of1ForFork0_~upper~0) (= |search_workerThread1of1ForFork1_#t~mem0| 0))), 1303#(and (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))) (= |search_workerThread1of1ForFork1_#t~mem0| 0)) (or (= (mod ~search_found~0 256) 0) (= |search_workerThread1of1ForFork1_#t~mem0| 0)) (or (not (< |search_workerThread1of1ForFork1_#t~mem0| (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)))) (not (= (mod ~search_found~0 256) 0)) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4)))) (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))))), 1298#(and (or (not (= (+ ~search_found~0 (* (- 256) (div ~search_found~0 256))) 0)) (<= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) 0)) (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))), 1302#(and (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (= search_workerThread1of1ForFork1_~i~0 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4)))) (or (= (mod ~search_found~0 256) 0) (= search_workerThread1of1ForFork1_~i~0 0)) (or (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (not (= (mod ~search_found~0 256) 0)) (not (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0)) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4)))) (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))))), 1305#(and (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|))) (or (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (not (= (mod ~search_found~0 256) 0)) (not (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)))) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4)))) (or (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4)))) (or (= (mod ~search_found~0 256) 0) (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0)) (or (= (mod ~search_found~0 256) 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))) (or (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4))))), 1307#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0#1.base|) |ULTIMATE.start_search_~#bounds2~0#1.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0#1.base|) (+ |ULTIMATE.start_search_~#bounds2~0#1.offset| 4)))), 1304#(and (or (= |search_workerThread1of1ForFork0_#in~params.offset| 0) (<= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) 0)) (= |search_workerThread1of1ForFork0_#in~params.base| |ULTIMATE.start_search_~#bounds2~0#1.base|) (or (<= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) 0) (<= (* 2 (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|)) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4)))) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (or (= (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4))) (<= (select (select |#memory_int| search_workerThread1of1ForFork1_~bounds~0.base) (+ search_workerThread1of1ForFork1_~bounds~0.offset 4)) 0)) (= |search_workerThread1of1ForFork1_#t~mem0| 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|))), 1301#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) |search_workerThread1of1ForFork0_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork0_#in~params.base|) (+ |search_workerThread1of1ForFork0_#in~params.offset| 4)))), 1300#(and (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0) (or (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) search_workerThread1of1ForFork0_~i~0) (<= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) 0)) (not (= |ULTIMATE.start_search_~#searcher2~0#1.base| |ULTIMATE.start_search_~#bounds2~0#1.base|)) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|)) (or (<= (* 2 search_workerThread1of1ForFork0_~i~0) search_workerThread1of1ForFork0_~upper~0) (<= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)) 0)))] [2022-03-15 20:29:46,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 20:29:46,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:29:46,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 20:29:46,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-15 20:29:46,259 INFO L87 Difference]: Start difference. First operand 106 states and 283 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:54,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:29:54,679 INFO L93 Difference]: Finished difference Result 452 states and 1305 transitions. [2022-03-15 20:29:54,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 20:29:54,679 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-03-15 20:29:54,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:29:54,684 INFO L225 Difference]: With dead ends: 452 [2022-03-15 20:29:54,684 INFO L226 Difference]: Without dead ends: 410 [2022-03-15 20:29:54,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=734, Invalid=2926, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 20:29:54,686 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 381 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 20:29:54,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 5 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 20:29:54,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-03-15 20:29:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 139. [2022-03-15 20:29:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 2.7681159420289854) internal successors, (382), 138 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 382 transitions. [2022-03-15 20:29:54,697 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 382 transitions. Word has length 18 [2022-03-15 20:29:54,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:29:54,698 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 382 transitions. [2022-03-15 20:29:54,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 382 transitions. [2022-03-15 20:29:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 20:29:54,709 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:29:54,709 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:29:54,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:29:54,709 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:29:54,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:29:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1641979857, now seen corresponding path program 2 times [2022-03-15 20:29:54,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:29:54,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672418888] [2022-03-15 20:29:54,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:29:54,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:29:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:29:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:55,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:29:55,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672418888] [2022-03-15 20:29:55,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672418888] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:29:55,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265479738] [2022-03-15 20:29:55,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:29:55,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:29:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:29:55,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:29:55,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 20:29:55,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 20:29:55,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:29:55,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 65 conjunts are in the unsatisfiable core [2022-03-15 20:29:55,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:29:55,184 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 51 treesize of output 49 [2022-03-15 20:29:55,192 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-15 20:29:55,305 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-15 20:29:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:55,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:29:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:55,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265479738] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:29:55,917 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:29:55,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 20 [2022-03-15 20:29:55,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [562885774] [2022-03-15 20:29:55,917 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:29:55,920 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:29:55,929 INFO L252 McrAutomatonBuilder]: Finished intersection with 57 states and 103 transitions. [2022-03-15 20:29:55,929 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:29:56,923 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [2234#(and (= |ULTIMATE.start_main_~#haystack~0#1.offset| 0) (= |ULTIMATE.start_main_~#haystack~0#1.base| ~search_haystack~0.base) (<= ~search_needle~0 |ULTIMATE.start_main_~needle~0#1|) (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0) (<= |ULTIMATE.start_main_~needle~0#1| ~search_needle~0) (= ~search_haystack~0.offset 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|)))] [2022-03-15 20:29:56,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:29:56,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:29:56,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:29:56,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=380, Unknown=24, NotChecked=0, Total=506 [2022-03-15 20:29:56,924 INFO L87 Difference]: Start difference. First operand 139 states and 382 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:57,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:29:57,203 INFO L93 Difference]: Finished difference Result 282 states and 777 transitions. [2022-03-15 20:29:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 20:29:57,204 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 18 [2022-03-15 20:29:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:29:57,206 INFO L225 Difference]: With dead ends: 282 [2022-03-15 20:29:57,206 INFO L226 Difference]: Without dead ends: 268 [2022-03-15 20:29:57,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=568, Unknown=24, NotChecked=0, Total=756 [2022-03-15 20:29:57,207 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 112 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:29:57,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 22 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:29:57,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-03-15 20:29:57,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 195. [2022-03-15 20:29:57,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 2.8195876288659796) internal successors, (547), 194 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 547 transitions. [2022-03-15 20:29:57,218 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 547 transitions. Word has length 18 [2022-03-15 20:29:57,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:29:57,218 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 547 transitions. [2022-03-15 20:29:57,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:57,219 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 547 transitions. [2022-03-15 20:29:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 20:29:57,220 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:29:57,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:29:57,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 20:29:57,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-15 20:29:57,444 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:29:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:29:57,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1690659443, now seen corresponding path program 3 times [2022-03-15 20:29:57,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:29:57,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117321784] [2022-03-15 20:29:57,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:29:57,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:29:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:29:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:57,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:29:57,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117321784] [2022-03-15 20:29:57,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117321784] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:29:57,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395541616] [2022-03-15 20:29:57,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 20:29:57,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:29:57,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:29:57,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:29:57,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 20:29:57,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 20:29:57,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:29:57,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-15 20:29:57,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:29:57,863 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 14 treesize of output 12 [2022-03-15 20:29:57,936 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 [2022-03-15 20:29:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:57,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:29:58,005 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_200 (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_200) |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 [2022-03-15 20:29:58,022 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:29:58,022 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 [2022-03-15 20:29:58,026 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 [2022-03-15 20:29:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:29:58,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395541616] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:29:58,098 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:29:58,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 12 [2022-03-15 20:29:58,098 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1979450976] [2022-03-15 20:29:58,099 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:29:58,102 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:29:58,108 INFO L252 McrAutomatonBuilder]: Finished intersection with 44 states and 73 transitions. [2022-03-15 20:29:58,108 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:29:58,447 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,534 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,583 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,723 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,843 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:58,970 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:59,008 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:59,052 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:29:59,349 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:29:59,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:29:59,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:29:59,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:29:59,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=124, Unknown=1, NotChecked=22, Total=182 [2022-03-15 20:29:59,350 INFO L87 Difference]: Start difference. First operand 195 states and 547 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:29:59,807 INFO L93 Difference]: Finished difference Result 327 states and 909 transitions. [2022-03-15 20:29:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 20:29:59,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 18 [2022-03-15 20:29:59,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:29:59,810 INFO L225 Difference]: With dead ends: 327 [2022-03-15 20:29:59,810 INFO L226 Difference]: Without dead ends: 312 [2022-03-15 20:29:59,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=262, Unknown=1, NotChecked=34, Total=380 [2022-03-15 20:29:59,811 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 64 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:29:59,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 40 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 20:29:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-03-15 20:29:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 197. [2022-03-15 20:29:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 2.811224489795918) internal successors, (551), 196 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 551 transitions. [2022-03-15 20:29:59,820 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 551 transitions. Word has length 18 [2022-03-15 20:29:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:29:59,821 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 551 transitions. [2022-03-15 20:29:59,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:29:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 551 transitions. [2022-03-15 20:29:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 20:29:59,822 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:29:59,822 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:29:59,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 20:30:00,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:30:00,048 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:30:00,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:00,048 INFO L85 PathProgramCache]: Analyzing trace with hash 771744494, now seen corresponding path program 1 times [2022-03-15 20:30:00,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:00,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857031491] [2022-03-15 20:30:00,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:00,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:00,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857031491] [2022-03-15 20:30:00,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857031491] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:30:00,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10330693] [2022-03-15 20:30:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:00,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:30:00,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:30:00,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:30:00,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 20:30:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:00,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 32 conjunts are in the unsatisfiable core [2022-03-15 20:30:00,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:30:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 20:30:00,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:30:00,671 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:30:00,671 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 [2022-03-15 20:30:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 20:30:00,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10330693] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:30:00,783 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:30:00,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 10 [2022-03-15 20:30:00,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1011111564] [2022-03-15 20:30:00,784 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:00,790 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:00,802 INFO L252 McrAutomatonBuilder]: Finished intersection with 67 states and 123 transitions. [2022-03-15 20:30:00,802 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:01,935 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [3892#(and (= |ULTIMATE.start_main_~#haystack~0#1.offset| 0) (= |ULTIMATE.start_main_~#haystack~0#1.base| ~search_haystack~0.base) (= (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) 0) (< ~search_needle~0 (+ |ULTIMATE.start_main_~needle~0#1| 1)) (<= |ULTIMATE.start_main_~needle~0#1| ~search_needle~0) (= ~search_haystack~0.offset 0) (not (= |ULTIMATE.start_search_~#bounds1~0#1.base| |ULTIMATE.start_search_~#searcher2~0#1.base|)))] [2022-03-15 20:30:01,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:30:01,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:01,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:30:01,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:30:01,937 INFO L87 Difference]: Start difference. First operand 197 states and 551 transitions. Second operand has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:02,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:02,310 INFO L93 Difference]: Finished difference Result 317 states and 878 transitions. [2022-03-15 20:30:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:30:02,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 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 20 [2022-03-15 20:30:02,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:02,311 INFO L225 Difference]: With dead ends: 317 [2022-03-15 20:30:02,311 INFO L226 Difference]: Without dead ends: 70 [2022-03-15 20:30:02,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 72 SyntacticMatches, 9 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2022-03-15 20:30:02,312 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 119 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:02,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 26 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:30:02,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-03-15 20:30:02,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2022-03-15 20:30:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 2.1846153846153844) internal successors, (142), 65 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 142 transitions. [2022-03-15 20:30:02,315 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 142 transitions. Word has length 20 [2022-03-15 20:30:02,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:02,315 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 142 transitions. [2022-03-15 20:30:02,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 142 transitions. [2022-03-15 20:30:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 20:30:02,316 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:02,316 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:02,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-15 20:30:02,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:30:02,531 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 20:30:02,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:02,532 INFO L85 PathProgramCache]: Analyzing trace with hash -633399472, now seen corresponding path program 2 times [2022-03-15 20:30:02,533 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:02,533 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256228985] [2022-03-15 20:30:02,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:02,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:02,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:02,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256228985] [2022-03-15 20:30:02,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256228985] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:30:02,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505767447] [2022-03-15 20:30:02,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:30:02,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:30:02,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:30:02,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:30:02,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 20:30:03,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 20:30:03,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:30:03,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-15 20:30:03,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:30:03,048 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 14 treesize of output 12 [2022-03-15 20:30:03,141 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 [2022-03-15 20:30:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 20:30:03,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:30:03,213 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_300 (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_300) |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 [2022-03-15 20:30:03,229 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:30:03,229 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 [2022-03-15 20:30:03,233 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 [2022-03-15 20:30:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 20:30:03,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505767447] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:30:03,313 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:30:03,313 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 13 [2022-03-15 20:30:03,313 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [573699471] [2022-03-15 20:30:03,314 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:03,316 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:03,326 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 75 transitions. [2022-03-15 20:30:03,326 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:03,465 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,506 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,543 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,674 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,720 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,766 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,878 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,918 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:03,954 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-03-15 20:30:04,292 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:04,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:30:04,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:04,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:30:04,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=143, Unknown=1, NotChecked=24, Total=210 [2022-03-15 20:30:04,294 INFO L87 Difference]: Start difference. First operand 66 states and 142 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:04,741 INFO L93 Difference]: Finished difference Result 91 states and 202 transitions. [2022-03-15 20:30:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 20:30:04,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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 20 [2022-03-15 20:30:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:04,742 INFO L225 Difference]: With dead ends: 91 [2022-03-15 20:30:04,742 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:30:04,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=410, Unknown=1, NotChecked=44, Total=600 [2022-03-15 20:30:04,743 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 60 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:04,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 13 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:30:04,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:30:04,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:30:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:30:04,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-03-15 20:30:04,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:04,744 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:30:04,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:30:04,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:30:04,746 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-15 20:30:04,747 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-15 20:30:04,747 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-15 20:30:04,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-15 20:30:04,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:30:04,965 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2022-03-15 20:30:04,967 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:30:04,967 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:30:04,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:30:04 BasicIcfg [2022-03-15 20:30:04,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:30:04,970 INFO L158 Benchmark]: Toolchain (without parser) took 29999.79ms. Allocated memory was 186.6MB in the beginning and 375.4MB in the end (delta: 188.7MB). Free memory was 129.7MB in the beginning and 173.5MB in the end (delta: -43.8MB). Peak memory consumption was 145.4MB. Max. memory is 8.0GB. [2022-03-15 20:30:04,970 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:30:04,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.03ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 129.6MB in the beginning and 230.5MB in the end (delta: -100.9MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-03-15 20:30:04,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.88ms. Allocated memory is still 260.0MB. Free memory was 230.5MB in the beginning and 228.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:30:04,971 INFO L158 Benchmark]: Boogie Preprocessor took 34.73ms. Allocated memory is still 260.0MB. Free memory was 228.4MB in the beginning and 227.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:30:04,973 INFO L158 Benchmark]: RCFGBuilder took 400.77ms. Allocated memory is still 260.0MB. Free memory was 227.4MB in the beginning and 212.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-15 20:30:04,973 INFO L158 Benchmark]: TraceAbstraction took 29203.88ms. Allocated memory was 260.0MB in the beginning and 375.4MB in the end (delta: 115.3MB). Free memory was 212.2MB in the beginning and 173.5MB in the end (delta: 38.7MB). Peak memory consumption was 154.2MB. Max. memory is 8.0GB. [2022-03-15 20:30:04,975 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 186.6MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 307.03ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 129.6MB in the beginning and 230.5MB in the end (delta: -100.9MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.88ms. Allocated memory is still 260.0MB. Free memory was 230.5MB in the beginning and 228.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.73ms. Allocated memory is still 260.0MB. Free memory was 228.4MB in the beginning and 227.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 400.77ms. Allocated memory is still 260.0MB. Free memory was 227.4MB in the beginning and 212.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 29203.88ms. Allocated memory was 260.0MB in the beginning and 375.4MB in the end (delta: 115.3MB). Free memory was 212.2MB in the beginning and 173.5MB in the end (delta: 38.7MB). Peak memory consumption was 154.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 147 PlacesBefore, 29 PlacesAfterwards, 148 TransitionsBefore, 26 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 6 FixpointIterations, 80 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 142 TotalNumberOfCompositions, 3147 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2298, positive: 2189, positive conditional: 0, positive unconditional: 2189, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1214, positive: 1184, positive conditional: 0, positive unconditional: 1184, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2298, positive: 1005, positive conditional: 0, positive unconditional: 1005, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 1214, unknown conditional: 0, unknown unconditional: 1214] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 67]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 165 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 29.0s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 770 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 770 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 523 mSDsCounter, 238 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2745 IncrementalHoareTripleChecker+Invalid, 2983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 238 mSolverCounterUnsat, 29 mSDtfsCounter, 2745 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 503 GetRequests, 335 SyntacticMatches, 14 SemanticMatches, 154 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=5, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 533 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 294 ConstructedInterpolants, 18 QuantifiedInterpolants, 4956 SizeOfPredicates, 78 NumberOfNonLiveVariables, 1160 ConjunctsInSsa, 202 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 9/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:30:05,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...