/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.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-4b0ab11 [2022-03-04 04:54:59,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 04:54:59,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 04:54:59,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 04:54:59,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 04:54:59,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 04:54:59,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 04:54:59,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 04:54:59,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 04:54:59,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 04:54:59,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 04:54:59,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 04:54:59,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 04:54:59,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 04:54:59,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 04:54:59,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 04:54:59,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 04:54:59,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 04:54:59,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 04:54:59,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 04:54:59,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 04:54:59,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 04:54:59,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 04:54:59,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 04:54:59,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 04:54:59,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 04:54:59,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 04:54:59,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 04:54:59,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 04:54:59,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 04:54:59,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 04:54:59,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 04:54:59,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 04:54:59,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 04:54:59,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 04:54:59,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 04:54:59,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 04:54:59,246 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 04:54:59,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 04:54:59,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 04:54:59,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:54:59,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 04:54:59,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 04:54:59,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 04:54:59,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 04:54:59,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 04:54:59,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 04:54:59,249 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 04:54:59,249 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 04:54:59,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 04:54:59,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 04:54:59,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 04:54:59,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 04:54:59,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 04:54:59,473 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 04:54:59,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2022-03-04 04:54:59,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d7ff69a/3bda0edc23e44b0a8c46bc06b4323c85/FLAG49cb6e685 [2022-03-04 04:54:59,839 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 04:54:59,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2022-03-04 04:54:59,840 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-04 04:54:59,840 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-04 04:54:59,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d7ff69a/3bda0edc23e44b0a8c46bc06b4323c85/FLAG49cb6e685 [2022-03-04 04:55:00,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d7ff69a/3bda0edc23e44b0a8c46bc06b4323c85 [2022-03-04 04:55:00,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 04:55:00,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 04:55:00,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 04:55:00,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 04:55:00,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 04:55:00,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa8ef22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00, skipping insertion in model container [2022-03-04 04:55:00,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 04:55:00,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 04:55:00,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:55:00,446 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 04:55:00,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:55:00,484 INFO L208 MainTranslator]: Completed translation [2022-03-04 04:55:00,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00 WrapperNode [2022-03-04 04:55:00,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 04:55:00,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 04:55:00,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 04:55:00,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 04:55:00,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,522 INFO L137 Inliner]: procedures = 10, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-03-04 04:55:00,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 04:55:00,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 04:55:00,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 04:55:00,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 04:55:00,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 04:55:00,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 04:55:00,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 04:55:00,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 04:55:00,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (1/1) ... [2022-03-04 04:55:00,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:55:00,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:55:00,579 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) [2022-03-04 04:55:00,609 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 [2022-03-04 04:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 04:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2022-03-04 04:55:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2022-03-04 04:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 04:55:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 04:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 04:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 04:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 04:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 04:55:00,620 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 04:55:00,713 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 04:55:00,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 04:55:00,875 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 04:55:00,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 04:55:00,881 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-04 04:55:00,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:55:00 BoogieIcfgContainer [2022-03-04 04:55:00,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 04:55:00,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 04:55:00,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 04:55:00,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 04:55:00,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:55:00" (1/3) ... [2022-03-04 04:55:00,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7a4834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:55:00, skipping insertion in model container [2022-03-04 04:55:00,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:55:00" (2/3) ... [2022-03-04 04:55:00,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7a4834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:55:00, skipping insertion in model container [2022-03-04 04:55:00,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:55:00" (3/3) ... [2022-03-04 04:55:00,893 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2022-03-04 04:55:00,896 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 04:55:00,896 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 04:55:00,896 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 04:55:00,896 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 04:55:00,937 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,937 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,937 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,937 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,937 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,938 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,939 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,940 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,941 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,942 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,942 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,942 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,942 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,942 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,942 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,943 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,944 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,945 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,946 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,947 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,948 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,949 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,950 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,951 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,951 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,951 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,951 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,951 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,951 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,951 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,952 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,952 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,952 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,952 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,952 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,952 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,952 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,953 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,954 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,954 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,954 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,954 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,954 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,954 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,954 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,956 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,957 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,959 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,960 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,960 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,960 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,960 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,960 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:55:00,962 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-04 04:55:00,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 04:55:00,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:55:00,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 04:55:00,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 04:55:01,013 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 04:55:01,019 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 04:55:01,020 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 04:55:01,077 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 130 transitions and produced 131 states. [2022-03-04 04:55:01,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 04:55:01,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:55:01,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1103581765, now seen corresponding path program 1 times [2022-03-04 04:55:01,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:55:01,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163383209] [2022-03-04 04:55:01,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:01,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:55:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:01,306 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:55:01,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163383209] [2022-03-04 04:55:01,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163383209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:55:01,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:55:01,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:55:01,309 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579051576] [2022-03-04 04:55:01,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:55:01,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 04:55:01,314 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:55:01,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 04:55:01,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 04:55:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:55:01,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:55:01,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,379 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 130 transitions and produced 131 states. [2022-03-04 04:55:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 04:55:01,381 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 04:55:01,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:55:01,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1984542077, now seen corresponding path program 1 times [2022-03-04 04:55:01,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:55:01,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659668923] [2022-03-04 04:55:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:01,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:55:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:01,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:55:01,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659668923] [2022-03-04 04:55:01,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659668923] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:55:01,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:55:01,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 04:55:01,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151567143] [2022-03-04 04:55:01,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:55:01,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:55:01,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:55:01,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:55:01,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:55:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:55:01,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:55:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,623 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 130 transitions and produced 131 states. [2022-03-04 04:55:01,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:01,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 04:55:01,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 04:55:01,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:55:01,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1014050192, now seen corresponding path program 1 times [2022-03-04 04:55:01,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:55:01,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125427147] [2022-03-04 04:55:01,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:55:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:01,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:55:01,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125427147] [2022-03-04 04:55:01,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125427147] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:55:01,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:55:01,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:55:01,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746716124] [2022-03-04 04:55:01,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:55:01,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 04:55:01,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:55:01,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 04:55:01,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-04 04:55:01,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:55:01,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:55:01,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:01,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,786 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 166 transitions and produced 167 states. [2022-03-04 04:55:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:55:01,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 04:55:01,786 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 04:55:01,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:55:01,787 INFO L85 PathProgramCache]: Analyzing trace with hash -973686842, now seen corresponding path program 1 times [2022-03-04 04:55:01,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:55:01,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794914116] [2022-03-04 04:55:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:01,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:55:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:03,582 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:55:03,582 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794914116] [2022-03-04 04:55:03,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794914116] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:55:03,582 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:55:03,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-04 04:55:03,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17865466] [2022-03-04 04:55:03,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:55:03,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-04 04:55:03,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:55:03,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-04 04:55:03,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-04 04:55:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:03,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:55:03,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.962962962962963) internal successors, (107), 27 states have internal predecessors, (107), 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) [2022-03-04 04:55:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:55:03,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:12,444 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 243 transitions and produced 214 states. [2022-03-04 04:55:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:55:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 04:55:12,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 04:55:12,445 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 04:55:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:55:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1289784654, now seen corresponding path program 1 times [2022-03-04 04:55:12,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:55:12,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428070092] [2022-03-04 04:55:12,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:12,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:55:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:12,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:55:12,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428070092] [2022-03-04 04:55:12,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428070092] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:55:12,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81911290] [2022-03-04 04:55:12,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:12,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:55:12,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:55:12,772 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) [2022-03-04 04:55:12,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 04:55:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:12,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-04 04:55:12,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:55:13,421 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-03-04 04:55:13,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:13,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:55:13,531 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:55:13,532 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 [2022-03-04 04:55:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:13,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81911290] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:55:13,791 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:55:13,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 28 [2022-03-04 04:55:13,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822170711] [2022-03-04 04:55:13,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:55:13,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-04 04:55:13,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:55:13,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-04 04:55:13,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2022-03-04 04:55:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:13,800 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:55:13,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 7.107142857142857) internal successors, (199), 29 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:55:13,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:13,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:13,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:55:13,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 04:55:13,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:23,338 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 68348 transitions and produced 38422 states. [2022-03-04 04:55:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:55:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-04 04:55:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 04:55:23,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 04:55:23,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:55:23,551 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 04:55:23,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:55:23,552 INFO L85 PathProgramCache]: Analyzing trace with hash 955299227, now seen corresponding path program 1 times [2022-03-04 04:55:23,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:55:23,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819057178] [2022-03-04 04:55:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:23,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:55:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:55:24,596 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:55:24,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819057178] [2022-03-04 04:55:24,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819057178] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:55:24,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165058799] [2022-03-04 04:55:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:55:24,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:55:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:55:24,597 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) [2022-03-04 04:55:24,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 04:55:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:55:24,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-04 04:55:24,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:55:25,311 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-03-04 04:55:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:55:25,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:55:25,413 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:55:25,413 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 [2022-03-04 04:55:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:55:25,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165058799] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:55:25,812 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:55:25,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 14] total 40 [2022-03-04 04:55:25,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109743798] [2022-03-04 04:55:25,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:55:25,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-04 04:55:25,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:55:25,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-04 04:55:25,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1492, Unknown=0, NotChecked=0, Total=1640 [2022-03-04 04:55:25,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:25,816 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:55:25,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.425) internal successors, (217), 41 states have internal predecessors, (217), 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) [2022-03-04 04:55:25,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:55:25,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:55:25,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:55:25,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-04 04:55:25,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 04:55:25,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.