/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 17:02:24,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 17:02:24,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 17:02:24,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 17:02:24,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 17:02:24,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 17:02:24,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 17:02:24,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 17:02:24,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 17:02:24,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 17:02:24,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 17:02:24,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 17:02:24,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 17:02:24,230 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 17:02:24,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 17:02:24,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 17:02:24,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 17:02:24,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 17:02:24,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 17:02:24,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 17:02:24,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 17:02:24,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 17:02:24,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 17:02:24,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 17:02:24,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 17:02:24,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 17:02:24,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 17:02:24,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 17:02:24,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 17:02:24,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 17:02:24,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 17:02:24,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 17:02:24,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 17:02:24,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 17:02:24,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 17:02:24,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 17:02:24,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 17:02:24,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 17:02:24,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 17:02:24,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 17:02:24,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 17:02:24,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 17:02:24,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 17:02:24,426 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 17:02:24,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2022-03-01 17:02:24,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9be7194/776ca994db524a51b1f4f0ca77e196f3/FLAG0c7ecaa19 [2022-03-01 17:02:24,840 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 17:02:24,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2022-03-01 17:02:24,841 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-01 17:02:24,841 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-01 17:02:24,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9be7194/776ca994db524a51b1f4f0ca77e196f3/FLAG0c7ecaa19 [2022-03-01 17:02:24,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9be7194/776ca994db524a51b1f4f0ca77e196f3 [2022-03-01 17:02:24,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 17:02:24,874 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 17:02:24,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 17:02:24,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 17:02:24,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 17:02:24,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 05:02:24" (1/1) ... [2022-03-01 17:02:24,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d083af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:24, skipping insertion in model container [2022-03-01 17:02:24,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 05:02:24" (1/1) ... [2022-03-01 17:02:24,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 17:02:24,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 17:02:25,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 17:02:25,032 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 17:02:25,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 17:02:25,054 INFO L208 MainTranslator]: Completed translation [2022-03-01 17:02:25,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25 WrapperNode [2022-03-01 17:02:25,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 17:02:25,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 17:02:25,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 17:02:25,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 17:02:25,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,079 INFO L137 Inliner]: procedures = 10, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-03-01 17:02:25,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 17:02:25,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 17:02:25,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 17:02:25,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 17:02:25,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 17:02:25,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 17:02:25,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 17:02:25,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 17:02:25,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (1/1) ... [2022-03-01 17:02:25,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 17:02:25,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:02:25,124 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) [2022-03-01 17:02:25,128 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 [2022-03-01 17:02:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 17:02:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2022-03-01 17:02:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2022-03-01 17:02:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 17:02:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 17:02:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 17:02:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 17:02:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 17:02:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 17:02:25,149 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 17:02:25,205 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 17:02:25,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 17:02:25,389 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 17:02:25,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 17:02:25,395 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 17:02:25,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 05:02:25 BoogieIcfgContainer [2022-03-01 17:02:25,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 17:02:25,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 17:02:25,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 17:02:25,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 17:02:25,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 05:02:24" (1/3) ... [2022-03-01 17:02:25,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c82644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 05:02:25, skipping insertion in model container [2022-03-01 17:02:25,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:02:25" (2/3) ... [2022-03-01 17:02:25,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c82644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 05:02:25, skipping insertion in model container [2022-03-01 17:02:25,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 05:02:25" (3/3) ... [2022-03-01 17:02:25,401 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2022-03-01 17:02:25,404 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 17:02:25,405 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 17:02:25,405 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 17:02:25,405 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 17:02:25,445 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,445 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,445 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,446 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,447 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,448 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,449 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,450 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,451 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,451 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,451 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,451 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,451 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,451 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,452 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,453 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,453 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,453 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,453 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,453 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,453 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,453 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,454 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,455 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,455 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,455 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,455 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,455 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,455 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,455 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,458 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,459 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,459 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,459 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,459 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,459 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,459 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,459 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,460 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,461 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,462 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,463 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,463 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,463 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,463 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,463 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,463 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,463 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,464 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,464 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,465 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,465 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,465 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,465 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,466 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,466 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,466 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,466 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,466 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,466 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,467 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,467 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,467 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,469 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,469 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,471 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,471 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,471 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,472 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,472 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,472 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,472 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,472 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,472 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,472 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,473 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,473 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,473 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,473 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,473 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,474 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,474 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,478 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,478 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,479 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,483 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,483 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,483 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,483 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,484 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,485 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:02:25,493 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-01 17:02:25,535 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 17:02:25,539 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 17:02:25,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-01 17:02:25,552 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 147 places, 148 transitions, 312 flow [2022-03-01 17:02:25,657 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:25,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-01 17:02:25,687 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:02:25,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:02:25,688 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:02:25,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:02:25,693 INFO L85 PathProgramCache]: Analyzing trace with hash -207808597, now seen corresponding path program 1 times [2022-03-01 17:02:25,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:02:25,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745548725] [2022-03-01 17:02:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:25,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:02:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:25,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:02:25,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745548725] [2022-03-01 17:02:25,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745548725] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:02:25,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:02:25,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 17:02:25,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869376736] [2022-03-01 17:02:25,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:02:25,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 17:02:25,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:02:25,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 17:02:25,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 17:02:25,944 INFO L87 Difference]: Start difference. First operand has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:25,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:02:25,994 INFO L93 Difference]: Finished difference Result 2268 states and 6109 transitions. [2022-03-01 17:02:25,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 17:02:25,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-03-01 17:02:25,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:02:26,023 INFO L225 Difference]: With dead ends: 2268 [2022-03-01 17:02:26,023 INFO L226 Difference]: Without dead ends: 2268 [2022-03-01 17:02:26,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 17:02:26,026 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 17:02:26,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 17:02:26,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-03-01 17:02:26,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2268. [2022-03-01 17:02:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2268 states, 2267 states have (on average 2.6947507719453023) internal successors, (6109), 2267 states have internal predecessors, (6109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 6109 transitions. [2022-03-01 17:02:26,163 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 6109 transitions. Word has length 98 [2022-03-01 17:02:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:02:26,165 INFO L470 AbstractCegarLoop]: Abstraction has 2268 states and 6109 transitions. [2022-03-01 17:02:26,166 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) [2022-03-01 17:02:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 6109 transitions. [2022-03-01 17:02:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-01 17:02:26,173 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:02:26,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:02:26,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 17:02:26,174 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:02:26,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:02:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash 826602059, now seen corresponding path program 1 times [2022-03-01 17:02:26,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:02:26,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169106290] [2022-03-01 17:02:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:02:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:26,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:02:26,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169106290] [2022-03-01 17:02:26,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169106290] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:02:26,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:02:26,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 17:02:26,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316743189] [2022-03-01 17:02:26,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:02:26,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 17:02:26,368 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:02:26,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 17:02:26,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 17:02:26,368 INFO L87 Difference]: Start difference. First operand 2268 states and 6109 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:02:26,436 INFO L93 Difference]: Finished difference Result 3901 states and 10613 transitions. [2022-03-01 17:02:26,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 17:02:26,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-03-01 17:02:26,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:02:26,452 INFO L225 Difference]: With dead ends: 3901 [2022-03-01 17:02:26,452 INFO L226 Difference]: Without dead ends: 3901 [2022-03-01 17:02:26,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 17:02:26,456 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 60 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 17:02:26,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 207 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 17:02:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2022-03-01 17:02:26,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3537. [2022-03-01 17:02:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 3536 states have (on average 2.7290723981900453) internal successors, (9650), 3536 states have internal predecessors, (9650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 9650 transitions. [2022-03-01 17:02:26,560 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 9650 transitions. Word has length 98 [2022-03-01 17:02:26,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:02:26,562 INFO L470 AbstractCegarLoop]: Abstraction has 3537 states and 9650 transitions. [2022-03-01 17:02:26,563 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) [2022-03-01 17:02:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 9650 transitions. [2022-03-01 17:02:26,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-01 17:02:26,570 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:02:26,570 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:02:26,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 17:02:26,571 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:02:26,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:02:26,571 INFO L85 PathProgramCache]: Analyzing trace with hash -469772968, now seen corresponding path program 1 times [2022-03-01 17:02:26,571 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:02:26,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668033782] [2022-03-01 17:02:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:26,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:02:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:26,683 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:02:26,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668033782] [2022-03-01 17:02:26,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668033782] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:02:26,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:02:26,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 17:02:26,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705157470] [2022-03-01 17:02:26,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:02:26,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 17:02:26,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:02:26,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 17:02:26,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-01 17:02:26,685 INFO L87 Difference]: Start difference. First operand 3537 states and 9650 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:26,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:02:26,760 INFO L93 Difference]: Finished difference Result 3543 states and 9655 transitions. [2022-03-01 17:02:26,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 17:02:26,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-03-01 17:02:26,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:02:26,774 INFO L225 Difference]: With dead ends: 3543 [2022-03-01 17:02:26,774 INFO L226 Difference]: Without dead ends: 3481 [2022-03-01 17:02:26,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-01 17:02:26,779 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 6 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 17:02:26,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 478 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 17:02:26,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2022-03-01 17:02:26,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3481. [2022-03-01 17:02:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 2.735632183908046) internal successors, (9520), 3480 states have internal predecessors, (9520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9520 transitions. [2022-03-01 17:02:26,855 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9520 transitions. Word has length 98 [2022-03-01 17:02:26,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:02:26,856 INFO L470 AbstractCegarLoop]: Abstraction has 3481 states and 9520 transitions. [2022-03-01 17:02:26,856 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) [2022-03-01 17:02:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9520 transitions. [2022-03-01 17:02:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-01 17:02:26,865 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:02:26,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:02:26,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 17:02:26,866 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:02:26,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:02:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1778333990, now seen corresponding path program 1 times [2022-03-01 17:02:26,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:02:26,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801199676] [2022-03-01 17:02:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:26,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:02:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:27,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:02:27,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801199676] [2022-03-01 17:02:27,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801199676] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 17:02:27,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135285375] [2022-03-01 17:02:27,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:27,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:02:27,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:02:27,286 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) [2022-03-01 17:02:27,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 17:02:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:27,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-01 17:02:27,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 17:02:27,990 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 [2022-03-01 17:02:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:27,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 17:02:28,082 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 17:02:28,083 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 [2022-03-01 17:02:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:28,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135285375] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 17:02:28,404 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 17:02:28,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 27 [2022-03-01 17:02:28,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754598430] [2022-03-01 17:02:28,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 17:02:28,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-01 17:02:28,405 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:02:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-01 17:02:28,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-03-01 17:02:28,406 INFO L87 Difference]: Start difference. First operand 3481 states and 9520 transitions. Second operand has 28 states, 27 states have (on average 7.2592592592592595) internal successors, (196), 28 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:02:29,480 INFO L93 Difference]: Finished difference Result 4617 states and 12692 transitions. [2022-03-01 17:02:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 17:02:29,481 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.2592592592592595) internal successors, (196), 28 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-03-01 17:02:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:02:29,496 INFO L225 Difference]: With dead ends: 4617 [2022-03-01 17:02:29,496 INFO L226 Difference]: Without dead ends: 4059 [2022-03-01 17:02:29,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=496, Invalid=1666, Unknown=0, NotChecked=0, Total=2162 [2022-03-01 17:02:29,497 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 953 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 2487 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 17:02:29,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [953 Valid, 2487 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 17:02:29,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4059 states. [2022-03-01 17:02:29,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4059 to 2809. [2022-03-01 17:02:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2809 states, 2808 states have (on average 2.7311253561253563) internal successors, (7669), 2808 states have internal predecessors, (7669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 7669 transitions. [2022-03-01 17:02:29,558 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 7669 transitions. Word has length 107 [2022-03-01 17:02:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:02:29,559 INFO L470 AbstractCegarLoop]: Abstraction has 2809 states and 7669 transitions. [2022-03-01 17:02:29,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.2592592592592595) internal successors, (196), 28 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 7669 transitions. [2022-03-01 17:02:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-01 17:02:29,565 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:02:29,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:02:29,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 17:02:29,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:02:29,778 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:02:29,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:02:29,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1224327644, now seen corresponding path program 1 times [2022-03-01 17:02:29,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:02:29,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402282459] [2022-03-01 17:02:29,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:29,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:02:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:30,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:02:30,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402282459] [2022-03-01 17:02:30,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402282459] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 17:02:30,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94753759] [2022-03-01 17:02:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:30,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:02:30,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:02:30,524 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) [2022-03-01 17:02:30,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 17:02:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:30,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-01 17:02:30,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 17:02:31,173 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 [2022-03-01 17:02:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:31,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 17:02:31,287 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 17:02:31,287 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 [2022-03-01 17:02:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:31,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94753759] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 17:02:31,609 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 17:02:31,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14, 14] total 37 [2022-03-01 17:02:31,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509801869] [2022-03-01 17:02:31,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 17:02:31,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-01 17:02:31,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:02:31,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-01 17:02:31,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 17:02:31,611 INFO L87 Difference]: Start difference. First operand 2809 states and 7669 transitions. Second operand has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:38,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:02:38,185 INFO L93 Difference]: Finished difference Result 11162 states and 31214 transitions. [2022-03-01 17:02:38,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-01 17:02:38,186 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-03-01 17:02:38,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:02:38,194 INFO L225 Difference]: With dead ends: 11162 [2022-03-01 17:02:38,194 INFO L226 Difference]: Without dead ends: 2447 [2022-03-01 17:02:38,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3741 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2860, Invalid=12640, Unknown=0, NotChecked=0, Total=15500 [2022-03-01 17:02:38,198 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 3008 mSDsluCounter, 4844 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3008 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 17:02:38,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3008 Valid, 4937 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 17:02:38,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2022-03-01 17:02:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1551. [2022-03-01 17:02:38,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1550 states have (on average 2.5935483870967744) internal successors, (4020), 1550 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:38,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 4020 transitions. [2022-03-01 17:02:38,226 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 4020 transitions. Word has length 107 [2022-03-01 17:02:38,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:02:38,226 INFO L470 AbstractCegarLoop]: Abstraction has 1551 states and 4020 transitions. [2022-03-01 17:02:38,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:02:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 4020 transitions. [2022-03-01 17:02:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-01 17:02:38,229 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:02:38,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:02:38,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 17:02:38,446 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 [2022-03-01 17:02:38,447 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:02:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:02:38,447 INFO L85 PathProgramCache]: Analyzing trace with hash -7074542, now seen corresponding path program 2 times [2022-03-01 17:02:38,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:02:38,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359744453] [2022-03-01 17:02:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:02:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:02:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:02:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:39,346 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:02:39,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359744453] [2022-03-01 17:02:39,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359744453] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 17:02:39,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477314199] [2022-03-01 17:02:39,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 17:02:39,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:02:39,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:02:39,348 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) [2022-03-01 17:02:39,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 17:02:39,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 17:02:39,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 17:02:39,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 73 conjunts are in the unsatisfiable core [2022-03-01 17:02:39,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 17:02:39,459 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-01 17:02:39,576 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-03-01 17:02:39,577 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-03-01 17:02:39,611 INFO L353 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-03-01 17:02:39,611 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-03-01 17:02:39,830 INFO L353 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-03-01 17:02:39,830 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-03-01 17:02:40,047 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-01 17:02:41,073 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-01 17:02:41,074 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2022-03-01 17:02:41,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-01 17:02:41,483 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-03-01 17:02:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:02:41,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 17:02:41,863 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_167 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* c_~search_result~0 4))))) (= (- 1) c_~search_result~0)) is different from false [2022-03-01 17:02:41,921 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_167 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) (= (- 1) c_search_workerThread1of1ForFork1_~i~0)) is different from false [2022-03-01 17:02:42,521 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_166 (Array Int Int)) (v_ArrVal_167 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher1~0#1.base| v_ArrVal_166))) (let ((.cse2 (select (select .cse0 |c_ULTIMATE.start_search_~#bounds1~0#1.base|) |c_ULTIMATE.start_search_~#bounds1~0#1.offset|))) (let ((.cse1 (* 4 .cse2))) (or (not (= c_~search_needle~0 (select (select .cse0 c_~search_haystack~0.base) (+ c_~search_haystack~0.offset .cse1)))) (= (- 1) .cse2) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store .cse0 |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| .cse1)))))))) is different from false [2022-03-01 17:02:42,627 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 17:02:42,627 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 465 treesize of output 531 [2022-03-01 17:02:42,682 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 17:02:42,683 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 421 treesize of output 465 [2022-03-01 17:02:42,709 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 17:02:42,709 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 230 treesize of output 210 [2022-03-01 17:03:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-03-01 17:03:17,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477314199] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 17:03:17,157 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 17:03:17,157 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 28] total 69 [2022-03-01 17:03:17,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157828911] [2022-03-01 17:03:17,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 17:03:17,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-03-01 17:03:17,157 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:17,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-03-01 17:03:17,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=4053, Unknown=3, NotChecked=396, Total=4830 [2022-03-01 17:03:17,159 INFO L87 Difference]: Start difference. First operand 1551 states and 4020 transitions. Second operand has 70 states, 69 states have (on average 3.782608695652174) internal successors, (261), 70 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:19,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:19,585 INFO L93 Difference]: Finished difference Result 2319 states and 5935 transitions. [2022-03-01 17:03:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-01 17:03:19,586 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 3.782608695652174) internal successors, (261), 70 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-03-01 17:03:19,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:19,591 INFO L225 Difference]: With dead ends: 2319 [2022-03-01 17:03:19,591 INFO L226 Difference]: Without dead ends: 1998 [2022-03-01 17:03:19,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 177 SyntacticMatches, 8 SemanticMatches, 97 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1773 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1002, Invalid=8127, Unknown=3, NotChecked=570, Total=9702 [2022-03-01 17:03:19,593 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 478 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 1938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1257 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:19,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 4080 Invalid, 1938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 649 Invalid, 0 Unknown, 1257 Unchecked, 0.3s Time] [2022-03-01 17:03:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2022-03-01 17:03:19,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1912. [2022-03-01 17:03:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1911 states have (on average 2.6017791732077447) internal successors, (4972), 1911 states have internal predecessors, (4972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 4972 transitions. [2022-03-01 17:03:19,621 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 4972 transitions. Word has length 107 [2022-03-01 17:03:19,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:19,621 INFO L470 AbstractCegarLoop]: Abstraction has 1912 states and 4972 transitions. [2022-03-01 17:03:19,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 3.782608695652174) internal successors, (261), 70 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 4972 transitions. [2022-03-01 17:03:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-01 17:03:19,624 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:19,624 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:03:19,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-01 17:03:19,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:03:19,840 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:03:19,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:19,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1493344032, now seen corresponding path program 3 times [2022-03-01 17:03:19,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:19,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744170423] [2022-03-01 17:03:19,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:19,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:20,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:20,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744170423] [2022-03-01 17:03:20,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744170423] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 17:03:20,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702323293] [2022-03-01 17:03:20,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 17:03:20,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:03:20,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:03:20,629 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) [2022-03-01 17:03:20,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 17:03:20,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 17:03:20,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 17:03:20,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-01 17:03:20,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 17:03:20,732 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-01 17:03:20,909 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-03-01 17:03:20,909 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-03-01 17:03:20,922 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-01 17:03:20,922 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-01 17:03:21,253 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 [2022-03-01 17:03:21,455 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 [2022-03-01 17:03:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:21,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 17:03:21,553 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_206 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_206) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) is different from false [2022-03-01 17:03:21,598 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 17:03:21,599 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 [2022-03-01 17:03:21,601 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 [2022-03-01 17:03:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:22,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702323293] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 17:03:22,168 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 17:03:22,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 17, 17] total 47 [2022-03-01 17:03:22,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189921367] [2022-03-01 17:03:22,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 17:03:22,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-01 17:03:22,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:22,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-01 17:03:22,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2006, Unknown=1, NotChecked=90, Total=2256 [2022-03-01 17:03:22,169 INFO L87 Difference]: Start difference. First operand 1912 states and 4972 transitions. Second operand has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:29,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:29,391 INFO L93 Difference]: Finished difference Result 6832 states and 18186 transitions. [2022-03-01 17:03:29,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-01 17:03:29,392 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-03-01 17:03:29,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:29,404 INFO L225 Difference]: With dead ends: 6832 [2022-03-01 17:03:29,405 INFO L226 Difference]: Without dead ends: 1363 [2022-03-01 17:03:29,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 236 SyntacticMatches, 34 SemanticMatches, 121 ConstructedPredicates, 1 IntricatePredicates, 6 DeprecatedPredicates, 4258 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=2463, Invalid=12302, Unknown=1, NotChecked=240, Total=15006 [2022-03-01 17:03:29,411 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 4557 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4557 SdHoareTripleChecker+Valid, 4179 SdHoareTripleChecker+Invalid, 3580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1023 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:29,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4557 Valid, 4179 Invalid, 3580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 2394 Invalid, 0 Unknown, 1023 Unchecked, 1.1s Time] [2022-03-01 17:03:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2022-03-01 17:03:29,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1277. [2022-03-01 17:03:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1276 states have (on average 2.542319749216301) internal successors, (3244), 1276 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 3244 transitions. [2022-03-01 17:03:29,429 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 3244 transitions. Word has length 107 [2022-03-01 17:03:29,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:29,429 INFO L470 AbstractCegarLoop]: Abstraction has 1277 states and 3244 transitions. [2022-03-01 17:03:29,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 3244 transitions. [2022-03-01 17:03:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 17:03:29,432 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:29,432 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:03:29,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 17:03:29,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:03:29,646 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 17:03:29,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:29,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2014531847, now seen corresponding path program 1 times [2022-03-01 17:03:29,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:29,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771307931] [2022-03-01 17:03:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:29,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:30,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:30,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771307931] [2022-03-01 17:03:30,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771307931] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 17:03:30,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98647860] [2022-03-01 17:03:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:30,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:03:30,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:03:30,775 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) [2022-03-01 17:03:30,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 17:03:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:30,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-01 17:03:30,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 17:03:30,862 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-01 17:03:31,002 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-03-01 17:03:31,002 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-03-01 17:03:31,037 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-01 17:03:31,037 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-01 17:03:31,400 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 [2022-03-01 17:03:31,543 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 [2022-03-01 17:03:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 17:03:31,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 17:03:31,618 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_245) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* c_~search_result~0 4))))) is different from false [2022-03-01 17:03:31,639 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_245) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) is different from false [2022-03-01 17:03:31,682 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 17:03:31,682 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 [2022-03-01 17:03:31,685 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 [2022-03-01 17:03:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 5 not checked. [2022-03-01 17:03:32,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98647860] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 17:03:32,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 17:03:32,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 17] total 49 [2022-03-01 17:03:32,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885764604] [2022-03-01 17:03:32,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 17:03:32,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-01 17:03:32,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:32,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-01 17:03:32,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2113, Unknown=2, NotChecked=186, Total=2450 [2022-03-01 17:03:32,203 INFO L87 Difference]: Start difference. First operand 1277 states and 3244 transitions. Second operand has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:37,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:37,581 INFO L93 Difference]: Finished difference Result 2816 states and 7288 transitions. [2022-03-01 17:03:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 17:03:37,581 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 17:03:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:37,581 INFO L225 Difference]: With dead ends: 2816 [2022-03-01 17:03:37,581 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 17:03:37,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 217 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2375 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1696, Invalid=8612, Unknown=2, NotChecked=402, Total=10712 [2022-03-01 17:03:37,583 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 3144 mSDsluCounter, 3498 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 3012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 840 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:37,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3144 Valid, 3483 Invalid, 3012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2016 Invalid, 0 Unknown, 840 Unchecked, 0.9s Time] [2022-03-01 17:03:37,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 17:03:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 17:03:37,584 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) [2022-03-01 17:03:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 17:03:37,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2022-03-01 17:03:37,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:37,584 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 17:03:37,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:37,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 17:03:37,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 17:03:37,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-01 17:03:37,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-01 17:03:37,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-01 17:03:37,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-01 17:03:37,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 17:03:37,801 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2022-03-01 17:03:37,802 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 17:03:37,802 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 17:03:37,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 05:03:37 BasicIcfg [2022-03-01 17:03:37,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 17:03:37,804 INFO L158 Benchmark]: Toolchain (without parser) took 72930.13ms. Allocated memory was 200.3MB in the beginning and 601.9MB in the end (delta: 401.6MB). Free memory was 147.3MB in the beginning and 211.6MB in the end (delta: -64.3MB). Peak memory consumption was 337.9MB. Max. memory is 8.0GB. [2022-03-01 17:03:37,804 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory was 165.9MB in the beginning and 165.8MB in the end (delta: 69.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 17:03:37,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.43ms. Allocated memory is still 200.3MB. Free memory was 147.1MB in the beginning and 173.8MB in the end (delta: -26.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-01 17:03:37,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.40ms. Allocated memory is still 200.3MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 17:03:37,804 INFO L158 Benchmark]: Boogie Preprocessor took 16.95ms. Allocated memory is still 200.3MB. Free memory was 171.7MB in the beginning and 170.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 17:03:37,804 INFO L158 Benchmark]: RCFGBuilder took 298.45ms. Allocated memory is still 200.3MB. Free memory was 170.7MB in the beginning and 156.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-01 17:03:37,805 INFO L158 Benchmark]: TraceAbstraction took 72406.13ms. Allocated memory was 200.3MB in the beginning and 601.9MB in the end (delta: 401.6MB). Free memory was 155.5MB in the beginning and 211.6MB in the end (delta: -56.1MB). Peak memory consumption was 346.5MB. Max. memory is 8.0GB. [2022-03-01 17:03:37,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory was 165.9MB in the beginning and 165.8MB in the end (delta: 69.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 175.43ms. Allocated memory is still 200.3MB. Free memory was 147.1MB in the beginning and 173.8MB in the end (delta: -26.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.40ms. Allocated memory is still 200.3MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.95ms. Allocated memory is still 200.3MB. Free memory was 171.7MB in the beginning and 170.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 298.45ms. Allocated memory is still 200.3MB. Free memory was 170.7MB in the beginning and 156.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 72406.13ms. Allocated memory was 200.3MB in the beginning and 601.9MB in the end (delta: 401.6MB). Free memory was 155.5MB in the beginning and 211.6MB in the end (delta: -56.1MB). Peak memory consumption was 346.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 67]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 165 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 72.3s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12206 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12206 mSDsluCounter, 19977 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3120 IncrementalHoareTripleChecker+Unchecked, 19411 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8787 IncrementalHoareTripleChecker+Invalid, 12362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 1330 mSDtfsCounter, 8787 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1589 GetRequests, 1041 SyntacticMatches, 53 SemanticMatches, 495 ConstructedPredicates, 6 IntricatePredicates, 6 DeprecatedPredicates, 12487 ImplicationChecksByTransitivity, 23.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3537occurred in iteration=2, InterpolantAutomatonStates: 299, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2682 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 46.6s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1902 ConstructedInterpolants, 104 QuantifiedInterpolants, 24252 SizeOfPredicates, 122 NumberOfNonLiveVariables, 1437 ConjunctsInSsa, 231 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 4/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 17:03:37,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...