/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 11:01:49,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 11:01:49,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 11:01:49,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 11:01:49,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 11:01:49,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 11:01:49,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 11:01:49,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 11:01:49,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 11:01:49,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 11:01:49,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 11:01:49,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 11:01:49,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 11:01:49,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 11:01:49,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 11:01:49,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 11:01:49,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 11:01:49,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 11:01:49,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 11:01:49,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 11:01:49,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 11:01:49,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 11:01:49,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 11:01:49,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 11:01:49,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 11:01:49,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 11:01:49,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 11:01:49,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 11:01:49,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 11:01:49,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 11:01:49,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 11:01:49,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 11:01:49,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 11:01:49,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 11:01:49,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 11:01:49,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 11:01:49,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 11:01:49,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 11:01:49,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 11:01:49,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 11:01:49,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 11:01:49,207 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-Separate.epf [2022-01-18 11:01:49,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 11:01:49,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 11:01:49,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 11:01:49,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 11:01:49,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 11:01:49,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 11:01:49,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 11:01:49,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 11:01:49,232 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 11:01:49,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 11:01:49,233 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 11:01:49,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 11:01:49,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 11:01:49,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 11:01:49,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 11:01:49,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 11:01:49,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:01:49,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 11:01:49,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 11:01:49,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 11:01:49,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 11:01:49,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 11:01:49,449 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 11:01:49,450 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 11:01:49,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2022-01-18 11:01:49,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ad66896/da7447cc275e43f3b752b316cab003be/FLAG5f3777a2b [2022-01-18 11:01:49,846 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 11:01:49,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2022-01-18 11:01:49,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ad66896/da7447cc275e43f3b752b316cab003be/FLAG5f3777a2b [2022-01-18 11:01:49,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ad66896/da7447cc275e43f3b752b316cab003be [2022-01-18 11:01:49,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 11:01:49,862 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 11:01:49,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 11:01:49,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 11:01:49,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 11:01:49,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:01:49" (1/1) ... [2022-01-18 11:01:49,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47679bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:49, skipping insertion in model container [2022-01-18 11:01:49,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:01:49" (1/1) ... [2022-01-18 11:01:49,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 11:01:49,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 11:01:50,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-01-18 11:01:50,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:01:50,044 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 11:01:50,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-01-18 11:01:50,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:01:50,066 INFO L208 MainTranslator]: Completed translation [2022-01-18 11:01:50,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50 WrapperNode [2022-01-18 11:01:50,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 11:01:50,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 11:01:50,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 11:01:50,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 11:01:50,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,091 INFO L137 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 176 [2022-01-18 11:01:50,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 11:01:50,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 11:01:50,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 11:01:50,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 11:01:50,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 11:01:50,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 11:01:50,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 11:01:50,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 11:01:50,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (1/1) ... [2022-01-18 11:01:50,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:01:50,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 11:01:50,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 11:01:50,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 11:01:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 11:01:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 11:01:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 11:01:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 11:01:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 11:01:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 11:01:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 11:01:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 11:01:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 11:01:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 11:01:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 11:01:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 11:01:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 11:01:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 11:01:50,182 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 11:01:50,283 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 11:01:50,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 11:01:50,566 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 11:01:50,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 11:01:50,574 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 11:01:50,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:01:50 BoogieIcfgContainer [2022-01-18 11:01:50,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 11:01:50,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 11:01:50,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 11:01:50,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 11:01:50,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:01:49" (1/3) ... [2022-01-18 11:01:50,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27638661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:01:50, skipping insertion in model container [2022-01-18 11:01:50,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:01:50" (2/3) ... [2022-01-18 11:01:50,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27638661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:01:50, skipping insertion in model container [2022-01-18 11:01:50,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:01:50" (3/3) ... [2022-01-18 11:01:50,584 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2022-01-18 11:01:50,587 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 11:01:50,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 11:01:50,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 11:01:50,587 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 11:01:50,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,659 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,659 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,659 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,662 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,663 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,664 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,665 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,665 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,665 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,665 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,665 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,665 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,666 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,666 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,666 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,666 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,666 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,666 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,666 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,667 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,667 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,667 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,667 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,667 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,667 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,667 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,668 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,668 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,668 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,668 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,668 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,668 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,669 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,670 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,670 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,670 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,670 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,670 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,670 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,670 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,671 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,671 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,671 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,671 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,671 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:01:50,684 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 11:01:50,711 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 11:01:50,715 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 11:01:50,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 11:01:50,724 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 225 places, 232 transitions, 488 flow [2022-01-18 11:01:57,251 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 291242 states, 291241 states have (on average 3.995584412908897) internal successors, (1163678), 291241 states have internal predecessors, (1163678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:01:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 291242 states, 291241 states have (on average 3.995584412908897) internal successors, (1163678), 291241 states have internal predecessors, (1163678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:01:59,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-18 11:01:59,371 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:01:59,372 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] [2022-01-18 11:01:59,373 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:01:59,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:01:59,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1999066721, now seen corresponding path program 1 times [2022-01-18 11:01:59,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:01:59,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81632188] [2022-01-18 11:01:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:01:59,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:01:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:01:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:01:59,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:01:59,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81632188] [2022-01-18 11:01:59,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81632188] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:01:59,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:01:59,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 11:01:59,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101935896] [2022-01-18 11:01:59,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:01:59,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 11:01:59,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:01:59,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 11:01:59,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-18 11:02:00,308 INFO L87 Difference]: Start difference. First operand has 291242 states, 291241 states have (on average 3.995584412908897) internal successors, (1163678), 291241 states have internal predecessors, (1163678), 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 8 states, 8 states have (on average 13.25) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:02:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:02:05,639 INFO L93 Difference]: Finished difference Result 404276 states and 1539051 transitions. [2022-01-18 11:02:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 11:02:05,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 8 states have internal predecessors, (106), 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 106 [2022-01-18 11:02:05,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:02:08,411 INFO L225 Difference]: With dead ends: 404276 [2022-01-18 11:02:08,412 INFO L226 Difference]: Without dead ends: 340984 [2022-01-18 11:02:08,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-01-18 11:02:08,415 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 548 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 2274 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:02:08,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 2274 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:02:09,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340984 states. [2022-01-18 11:02:18,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340984 to 255634. [2022-01-18 11:02:19,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255634 states, 255633 states have (on average 3.846983761877379) internal successors, (983416), 255633 states have internal predecessors, (983416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:02:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255634 states to 255634 states and 983416 transitions. [2022-01-18 11:02:21,591 INFO L78 Accepts]: Start accepts. Automaton has 255634 states and 983416 transitions. Word has length 106 [2022-01-18 11:02:21,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:02:21,594 INFO L470 AbstractCegarLoop]: Abstraction has 255634 states and 983416 transitions. [2022-01-18 11:02:21,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:02:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 255634 states and 983416 transitions. [2022-01-18 11:02:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:02:23,290 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:02:23,290 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, 1] [2022-01-18 11:02:23,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 11:02:23,291 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:02:23,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:02:23,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1794914821, now seen corresponding path program 1 times [2022-01-18 11:02:23,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:02:23,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928943204] [2022-01-18 11:02:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:02:23,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:02:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:02:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:02:23,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:02:23,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928943204] [2022-01-18 11:02:23,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928943204] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:02:23,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:02:23,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:02:23,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685622285] [2022-01-18 11:02:23,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:02:23,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:02:23,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:02:23,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:02:23,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:02:23,491 INFO L87 Difference]: Start difference. First operand 255634 states and 983416 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:02:27,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:02:27,408 INFO L93 Difference]: Finished difference Result 356114 states and 1345531 transitions. [2022-01-18 11:02:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 11:02:27,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:02:27,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:02:30,472 INFO L225 Difference]: With dead ends: 356114 [2022-01-18 11:02:30,472 INFO L226 Difference]: Without dead ends: 356114 [2022-01-18 11:02:30,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 11:02:30,478 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 604 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:02:30,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 779 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:02:31,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356114 states. [2022-01-18 11:02:41,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356114 to 269478. [2022-01-18 11:02:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269478 states, 269477 states have (on average 3.823587912883103) internal successors, (1030369), 269477 states have internal predecessors, (1030369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:02:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269478 states to 269478 states and 1030369 transitions. [2022-01-18 11:02:44,074 INFO L78 Accepts]: Start accepts. Automaton has 269478 states and 1030369 transitions. Word has length 108 [2022-01-18 11:02:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:02:44,075 INFO L470 AbstractCegarLoop]: Abstraction has 269478 states and 1030369 transitions. [2022-01-18 11:02:44,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:02:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 269478 states and 1030369 transitions. [2022-01-18 11:02:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:02:44,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:02:44,941 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, 1] [2022-01-18 11:02:44,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 11:02:44,941 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:02:44,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:02:44,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1608944453, now seen corresponding path program 1 times [2022-01-18 11:02:44,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:02:44,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060827458] [2022-01-18 11:02:44,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:02:44,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:02:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:02:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:02:45,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:02:45,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060827458] [2022-01-18 11:02:45,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060827458] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:02:45,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:02:45,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:02:45,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158186195] [2022-01-18 11:02:45,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:02:45,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:02:45,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:02:45,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:02:45,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:02:45,091 INFO L87 Difference]: Start difference. First operand 269478 states and 1030369 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:02:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:02:49,768 INFO L93 Difference]: Finished difference Result 433233 states and 1621464 transitions. [2022-01-18 11:02:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:02:49,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:02:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:02:53,167 INFO L225 Difference]: With dead ends: 433233 [2022-01-18 11:02:53,168 INFO L226 Difference]: Without dead ends: 426689 [2022-01-18 11:02:53,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:02:53,168 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 384 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:02:53,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 830 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:02:53,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426689 states. [2022-01-18 11:03:05,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426689 to 281590. [2022-01-18 11:03:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281590 states, 281589 states have (on average 3.8116368181995743) internal successors, (1073315), 281589 states have internal predecessors, (1073315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281590 states to 281590 states and 1073315 transitions. [2022-01-18 11:03:08,987 INFO L78 Accepts]: Start accepts. Automaton has 281590 states and 1073315 transitions. Word has length 108 [2022-01-18 11:03:08,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:03:08,988 INFO L470 AbstractCegarLoop]: Abstraction has 281590 states and 1073315 transitions. [2022-01-18 11:03:08,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 281590 states and 1073315 transitions. [2022-01-18 11:03:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:03:10,704 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:03:10,704 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, 1] [2022-01-18 11:03:10,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 11:03:10,705 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:03:10,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:03:10,706 INFO L85 PathProgramCache]: Analyzing trace with hash -580523667, now seen corresponding path program 2 times [2022-01-18 11:03:10,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:03:10,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877792551] [2022-01-18 11:03:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:03:10,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:03:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:03:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:03:10,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:03:10,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877792551] [2022-01-18 11:03:10,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877792551] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:03:10,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:03:10,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:03:10,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983348757] [2022-01-18 11:03:10,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:03:10,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:03:10,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:03:10,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:03:10,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:03:10,962 INFO L87 Difference]: Start difference. First operand 281590 states and 1073315 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:14,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:03:14,621 INFO L93 Difference]: Finished difference Result 346426 states and 1301153 transitions. [2022-01-18 11:03:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:03:14,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:03:14,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:03:17,321 INFO L225 Difference]: With dead ends: 346426 [2022-01-18 11:03:17,321 INFO L226 Difference]: Without dead ends: 346026 [2022-01-18 11:03:17,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:03:17,329 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 482 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:03:17,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [482 Valid, 658 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:03:18,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346026 states. [2022-01-18 11:03:26,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346026 to 280425. [2022-01-18 11:03:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280425 states, 280424 states have (on average 3.7934235300830172) internal successors, (1063767), 280424 states have internal predecessors, (1063767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280425 states to 280425 states and 1063767 transitions. [2022-01-18 11:03:28,439 INFO L78 Accepts]: Start accepts. Automaton has 280425 states and 1063767 transitions. Word has length 108 [2022-01-18 11:03:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:03:28,441 INFO L470 AbstractCegarLoop]: Abstraction has 280425 states and 1063767 transitions. [2022-01-18 11:03:28,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 280425 states and 1063767 transitions. [2022-01-18 11:03:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:03:29,763 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:03:29,764 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, 1] [2022-01-18 11:03:29,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 11:03:29,764 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:03:29,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:03:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1587379177, now seen corresponding path program 3 times [2022-01-18 11:03:29,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:03:29,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370304775] [2022-01-18 11:03:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:03:29,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:03:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:03:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:03:29,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:03:29,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370304775] [2022-01-18 11:03:29,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370304775] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:03:29,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:03:29,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:03:29,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591395699] [2022-01-18 11:03:29,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:03:29,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:03:29,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:03:29,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:03:29,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:03:29,876 INFO L87 Difference]: Start difference. First operand 280425 states and 1063767 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:03:33,138 INFO L93 Difference]: Finished difference Result 345176 states and 1299111 transitions. [2022-01-18 11:03:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:03:33,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:03:33,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:03:36,200 INFO L225 Difference]: With dead ends: 345176 [2022-01-18 11:03:36,201 INFO L226 Difference]: Without dead ends: 345176 [2022-01-18 11:03:36,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:03:36,201 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 447 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:03:36,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 676 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:03:36,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345176 states. [2022-01-18 11:03:46,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345176 to 280138. [2022-01-18 11:03:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280138 states, 280137 states have (on average 3.792376587169849) internal successors, (1062385), 280137 states have internal predecessors, (1062385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280138 states to 280138 states and 1062385 transitions. [2022-01-18 11:03:48,741 INFO L78 Accepts]: Start accepts. Automaton has 280138 states and 1062385 transitions. Word has length 108 [2022-01-18 11:03:48,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:03:48,756 INFO L470 AbstractCegarLoop]: Abstraction has 280138 states and 1062385 transitions. [2022-01-18 11:03:48,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 280138 states and 1062385 transitions. [2022-01-18 11:03:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:03:49,585 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:03:49,585 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, 1] [2022-01-18 11:03:49,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 11:03:49,586 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:03:49,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:03:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash -479707285, now seen corresponding path program 2 times [2022-01-18 11:03:49,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:03:49,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892954331] [2022-01-18 11:03:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:03:49,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:03:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:03:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:03:49,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:03:49,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892954331] [2022-01-18 11:03:49,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892954331] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:03:49,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:03:49,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:03:49,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538695011] [2022-01-18 11:03:49,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:03:49,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:03:49,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:03:49,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:03:49,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:03:49,736 INFO L87 Difference]: Start difference. First operand 280138 states and 1062385 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:03:52,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:03:52,951 INFO L93 Difference]: Finished difference Result 353901 states and 1327711 transitions. [2022-01-18 11:03:52,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:03:52,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:03:52,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:03:55,285 INFO L225 Difference]: With dead ends: 353901 [2022-01-18 11:03:55,286 INFO L226 Difference]: Without dead ends: 353501 [2022-01-18 11:03:55,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:03:55,287 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 323 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:03:55,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [323 Valid, 925 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:03:55,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353501 states. [2022-01-18 11:04:04,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353501 to 281484. [2022-01-18 11:04:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281484 states, 281483 states have (on average 3.793500850850673) internal successors, (1067806), 281483 states have internal predecessors, (1067806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281484 states to 281484 states and 1067806 transitions. [2022-01-18 11:04:06,731 INFO L78 Accepts]: Start accepts. Automaton has 281484 states and 1067806 transitions. Word has length 108 [2022-01-18 11:04:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:04:06,731 INFO L470 AbstractCegarLoop]: Abstraction has 281484 states and 1067806 transitions. [2022-01-18 11:04:06,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 281484 states and 1067806 transitions. [2022-01-18 11:04:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:04:07,530 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:04:07,530 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, 1] [2022-01-18 11:04:07,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 11:04:07,530 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:04:07,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:04:07,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1398966731, now seen corresponding path program 3 times [2022-01-18 11:04:07,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:04:07,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966863450] [2022-01-18 11:04:07,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:04:07,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:04:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:04:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:04:07,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:04:07,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966863450] [2022-01-18 11:04:07,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966863450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:04:07,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:04:07,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:04:07,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939074492] [2022-01-18 11:04:07,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:04:07,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:04:07,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:04:07,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:04:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:04:07,632 INFO L87 Difference]: Start difference. First operand 281484 states and 1067806 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:10,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:04:10,859 INFO L93 Difference]: Finished difference Result 369950 states and 1388429 transitions. [2022-01-18 11:04:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:04:10,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:04:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:04:14,598 INFO L225 Difference]: With dead ends: 369950 [2022-01-18 11:04:14,598 INFO L226 Difference]: Without dead ends: 369950 [2022-01-18 11:04:14,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:04:14,599 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 452 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:04:14,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [452 Valid, 704 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:04:15,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369950 states. [2022-01-18 11:04:25,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369950 to 281484. [2022-01-18 11:04:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281484 states, 281483 states have (on average 3.793500850850673) internal successors, (1067806), 281483 states have internal predecessors, (1067806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281484 states to 281484 states and 1067806 transitions. [2022-01-18 11:04:28,051 INFO L78 Accepts]: Start accepts. Automaton has 281484 states and 1067806 transitions. Word has length 108 [2022-01-18 11:04:28,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:04:28,051 INFO L470 AbstractCegarLoop]: Abstraction has 281484 states and 1067806 transitions. [2022-01-18 11:04:28,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 281484 states and 1067806 transitions. [2022-01-18 11:04:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:04:28,952 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:04:28,952 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, 1] [2022-01-18 11:04:28,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 11:04:28,952 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:04:28,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:04:28,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1451475233, now seen corresponding path program 4 times [2022-01-18 11:04:28,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:04:28,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339018296] [2022-01-18 11:04:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:04:28,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:04:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:04:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:04:29,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:04:29,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339018296] [2022-01-18 11:04:29,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339018296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:04:29,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:04:29,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:04:29,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836554751] [2022-01-18 11:04:29,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:04:29,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:04:29,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:04:29,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:04:29,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:04:29,630 INFO L87 Difference]: Start difference. First operand 281484 states and 1067806 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:04:33,634 INFO L93 Difference]: Finished difference Result 450698 states and 1692587 transitions. [2022-01-18 11:04:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:04:33,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:04:33,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:04:37,040 INFO L225 Difference]: With dead ends: 450698 [2022-01-18 11:04:37,040 INFO L226 Difference]: Without dead ends: 450698 [2022-01-18 11:04:37,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:04:37,042 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 510 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:04:37,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [510 Valid, 1028 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:04:37,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450698 states. [2022-01-18 11:04:46,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450698 to 281304. [2022-01-18 11:04:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281304 states, 281303 states have (on average 3.7938877296011775) internal successors, (1067232), 281303 states have internal predecessors, (1067232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281304 states to 281304 states and 1067232 transitions. [2022-01-18 11:04:49,327 INFO L78 Accepts]: Start accepts. Automaton has 281304 states and 1067232 transitions. Word has length 108 [2022-01-18 11:04:49,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:04:49,328 INFO L470 AbstractCegarLoop]: Abstraction has 281304 states and 1067232 transitions. [2022-01-18 11:04:49,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 281304 states and 1067232 transitions. [2022-01-18 11:04:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:04:50,639 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:04:50,639 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, 1] [2022-01-18 11:04:50,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 11:04:50,639 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:04:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:04:50,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2119969149, now seen corresponding path program 5 times [2022-01-18 11:04:50,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:04:50,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138663371] [2022-01-18 11:04:50,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:04:50,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:04:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:04:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:04:50,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:04:50,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138663371] [2022-01-18 11:04:50,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138663371] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:04:50,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:04:50,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:04:50,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330504663] [2022-01-18 11:04:50,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:04:50,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:04:50,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:04:50,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:04:50,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:04:50,776 INFO L87 Difference]: Start difference. First operand 281304 states and 1067232 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:04:54,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:04:54,099 INFO L93 Difference]: Finished difference Result 371056 states and 1389858 transitions. [2022-01-18 11:04:54,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:04:54,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:04:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:04:57,900 INFO L225 Difference]: With dead ends: 371056 [2022-01-18 11:04:57,900 INFO L226 Difference]: Without dead ends: 368476 [2022-01-18 11:04:57,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:04:57,902 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 528 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:04:57,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [528 Valid, 1052 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:04:59,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368476 states. [2022-01-18 11:05:07,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368476 to 284787. [2022-01-18 11:05:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284787 states, 284786 states have (on average 3.780677420940636) internal successors, (1076684), 284786 states have internal predecessors, (1076684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284787 states to 284787 states and 1076684 transitions. [2022-01-18 11:05:09,579 INFO L78 Accepts]: Start accepts. Automaton has 284787 states and 1076684 transitions. Word has length 108 [2022-01-18 11:05:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:05:09,579 INFO L470 AbstractCegarLoop]: Abstraction has 284787 states and 1076684 transitions. [2022-01-18 11:05:09,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 284787 states and 1076684 transitions. [2022-01-18 11:05:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:05:10,892 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:05:10,892 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, 1] [2022-01-18 11:05:10,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 11:05:10,892 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:05:10,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:05:10,892 INFO L85 PathProgramCache]: Analyzing trace with hash -4510883, now seen corresponding path program 6 times [2022-01-18 11:05:10,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:05:10,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122375177] [2022-01-18 11:05:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:05:10,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:05:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:05:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:05:11,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:05:11,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122375177] [2022-01-18 11:05:11,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122375177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:05:11,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:05:11,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:05:11,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542570719] [2022-01-18 11:05:11,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:05:11,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:05:11,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:05:11,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:05:11,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:05:11,025 INFO L87 Difference]: Start difference. First operand 284787 states and 1076684 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:14,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:05:14,477 INFO L93 Difference]: Finished difference Result 378626 states and 1418616 transitions. [2022-01-18 11:05:14,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:05:14,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:05:14,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:05:16,338 INFO L225 Difference]: With dead ends: 378626 [2022-01-18 11:05:16,339 INFO L226 Difference]: Without dead ends: 378626 [2022-01-18 11:05:16,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:05:16,339 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 532 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:05:16,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 976 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:05:17,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378626 states. [2022-01-18 11:05:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378626 to 280319. [2022-01-18 11:05:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280319 states, 280318 states have (on average 3.776721437795646) internal successors, (1058683), 280318 states have internal predecessors, (1058683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280319 states to 280319 states and 1058683 transitions. [2022-01-18 11:05:27,898 INFO L78 Accepts]: Start accepts. Automaton has 280319 states and 1058683 transitions. Word has length 108 [2022-01-18 11:05:27,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:05:27,898 INFO L470 AbstractCegarLoop]: Abstraction has 280319 states and 1058683 transitions. [2022-01-18 11:05:27,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 280319 states and 1058683 transitions. [2022-01-18 11:05:28,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:05:28,696 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:05:28,696 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, 1] [2022-01-18 11:05:28,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 11:05:28,696 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:05:28,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:05:28,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1626093091, now seen corresponding path program 4 times [2022-01-18 11:05:28,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:05:28,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165155841] [2022-01-18 11:05:28,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:05:28,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:05:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:05:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:05:28,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:05:28,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165155841] [2022-01-18 11:05:28,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165155841] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:05:28,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:05:28,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:05:28,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836217843] [2022-01-18 11:05:28,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:05:28,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:05:28,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:05:28,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:05:28,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:05:28,763 INFO L87 Difference]: Start difference. First operand 280319 states and 1058683 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:05:31,616 INFO L93 Difference]: Finished difference Result 328652 states and 1231462 transitions. [2022-01-18 11:05:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:05:31,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:05:31,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:05:34,433 INFO L225 Difference]: With dead ends: 328652 [2022-01-18 11:05:34,434 INFO L226 Difference]: Without dead ends: 327852 [2022-01-18 11:05:34,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:05:34,435 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 435 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:05:34,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 657 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:05:35,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327852 states. [2022-01-18 11:05:44,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327852 to 280275. [2022-01-18 11:05:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280275 states, 280274 states have (on average 3.7764259260580717) internal successors, (1058434), 280274 states have internal predecessors, (1058434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280275 states to 280275 states and 1058434 transitions. [2022-01-18 11:05:46,650 INFO L78 Accepts]: Start accepts. Automaton has 280275 states and 1058434 transitions. Word has length 108 [2022-01-18 11:05:46,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:05:46,651 INFO L470 AbstractCegarLoop]: Abstraction has 280275 states and 1058434 transitions. [2022-01-18 11:05:46,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 280275 states and 1058434 transitions. [2022-01-18 11:05:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:05:47,618 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:05:47,618 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, 1] [2022-01-18 11:05:47,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 11:05:47,618 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:05:47,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:05:47,619 INFO L85 PathProgramCache]: Analyzing trace with hash 434154553, now seen corresponding path program 5 times [2022-01-18 11:05:47,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:05:47,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431328254] [2022-01-18 11:05:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:05:47,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:05:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:05:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:05:47,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:05:47,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431328254] [2022-01-18 11:05:47,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431328254] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:05:47,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:05:47,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:05:47,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809302229] [2022-01-18 11:05:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:05:47,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:05:47,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:05:47,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:05:47,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:05:47,717 INFO L87 Difference]: Start difference. First operand 280275 states and 1058434 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:05:50,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:05:50,651 INFO L93 Difference]: Finished difference Result 331374 states and 1242757 transitions. [2022-01-18 11:05:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:05:50,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:05:50,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:05:53,038 INFO L225 Difference]: With dead ends: 331374 [2022-01-18 11:05:53,038 INFO L226 Difference]: Without dead ends: 331374 [2022-01-18 11:05:53,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:05:53,039 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 460 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:05:53,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [460 Valid, 623 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:05:53,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331374 states. [2022-01-18 11:06:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331374 to 280143. [2022-01-18 11:06:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280143 states, 280142 states have (on average 3.7758993653218726) internal successors, (1057788), 280142 states have internal predecessors, (1057788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280143 states to 280143 states and 1057788 transitions. [2022-01-18 11:06:03,814 INFO L78 Accepts]: Start accepts. Automaton has 280143 states and 1057788 transitions. Word has length 108 [2022-01-18 11:06:03,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:06:03,814 INFO L470 AbstractCegarLoop]: Abstraction has 280143 states and 1057788 transitions. [2022-01-18 11:06:03,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 280143 states and 1057788 transitions. [2022-01-18 11:06:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:06:05,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:06:05,221 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, 1] [2022-01-18 11:06:05,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 11:06:05,221 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:06:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:06:05,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1046553661, now seen corresponding path program 6 times [2022-01-18 11:06:05,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:06:05,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332385505] [2022-01-18 11:06:05,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:06:05,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:06:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:06:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:06:05,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:06:05,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332385505] [2022-01-18 11:06:05,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332385505] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:06:05,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:06:05,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:06:05,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67070522] [2022-01-18 11:06:05,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:06:05,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:06:05,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:06:05,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:06:05,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:06:05,305 INFO L87 Difference]: Start difference. First operand 280143 states and 1057788 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:08,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:06:08,191 INFO L93 Difference]: Finished difference Result 313043 states and 1169690 transitions. [2022-01-18 11:06:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:06:08,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:06:08,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:06:11,020 INFO L225 Difference]: With dead ends: 313043 [2022-01-18 11:06:11,020 INFO L226 Difference]: Without dead ends: 312570 [2022-01-18 11:06:11,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 11:06:11,022 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 344 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:06:11,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 896 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:06:11,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312570 states. [2022-01-18 11:06:20,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312570 to 275309. [2022-01-18 11:06:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275309 states, 275308 states have (on average 3.7774492568323477) internal successors, (1039962), 275308 states have internal predecessors, (1039962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275309 states to 275309 states and 1039962 transitions. [2022-01-18 11:06:24,219 INFO L78 Accepts]: Start accepts. Automaton has 275309 states and 1039962 transitions. Word has length 108 [2022-01-18 11:06:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:06:24,219 INFO L470 AbstractCegarLoop]: Abstraction has 275309 states and 1039962 transitions. [2022-01-18 11:06:24,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 275309 states and 1039962 transitions. [2022-01-18 11:06:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:06:25,223 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:06:25,223 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, 1] [2022-01-18 11:06:25,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 11:06:25,223 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:06:25,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:06:25,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1133998393, now seen corresponding path program 7 times [2022-01-18 11:06:25,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:06:25,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38149550] [2022-01-18 11:06:25,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:06:25,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:06:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:06:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:06:25,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:06:25,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38149550] [2022-01-18 11:06:25,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38149550] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:06:25,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:06:25,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:06:25,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981055904] [2022-01-18 11:06:25,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:06:25,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:06:25,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:06:25,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:06:25,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:06:25,279 INFO L87 Difference]: Start difference. First operand 275309 states and 1039962 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:29,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:06:29,267 INFO L93 Difference]: Finished difference Result 328931 states and 1228254 transitions. [2022-01-18 11:06:29,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:06:29,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:06:29,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:06:31,813 INFO L225 Difference]: With dead ends: 328931 [2022-01-18 11:06:31,813 INFO L226 Difference]: Without dead ends: 328931 [2022-01-18 11:06:31,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-18 11:06:31,814 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 343 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:06:31,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 986 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:06:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328931 states. [2022-01-18 11:06:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328931 to 279197. [2022-01-18 11:06:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279197 states, 279196 states have (on average 3.7741694007077466) internal successors, (1053733), 279196 states have internal predecessors, (1053733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279197 states to 279197 states and 1053733 transitions. [2022-01-18 11:06:44,680 INFO L78 Accepts]: Start accepts. Automaton has 279197 states and 1053733 transitions. Word has length 108 [2022-01-18 11:06:44,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:06:44,680 INFO L470 AbstractCegarLoop]: Abstraction has 279197 states and 1053733 transitions. [2022-01-18 11:06:44,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 279197 states and 1053733 transitions. [2022-01-18 11:06:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:06:46,171 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:06:46,171 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, 1] [2022-01-18 11:06:46,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 11:06:46,172 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:06:46,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:06:46,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1858423659, now seen corresponding path program 8 times [2022-01-18 11:06:46,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:06:46,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589530041] [2022-01-18 11:06:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:06:46,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:06:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:06:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:06:46,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:06:46,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589530041] [2022-01-18 11:06:46,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589530041] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:06:46,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:06:46,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:06:46,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323873222] [2022-01-18 11:06:46,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:06:46,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:06:46,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:06:46,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:06:46,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:06:46,237 INFO L87 Difference]: Start difference. First operand 279197 states and 1053733 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:06:48,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:06:48,967 INFO L93 Difference]: Finished difference Result 313043 states and 1173608 transitions. [2022-01-18 11:06:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:06:48,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:06:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:06:52,182 INFO L225 Difference]: With dead ends: 313043 [2022-01-18 11:06:52,182 INFO L226 Difference]: Without dead ends: 313043 [2022-01-18 11:06:52,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:06:52,184 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 419 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:06:52,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 577 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:06:52,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313043 states. [2022-01-18 11:07:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313043 to 277244. [2022-01-18 11:07:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277244 states, 277243 states have (on average 3.768279090905812) internal successors, (1044729), 277243 states have internal predecessors, (1044729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277244 states to 277244 states and 1044729 transitions. [2022-01-18 11:07:04,579 INFO L78 Accepts]: Start accepts. Automaton has 277244 states and 1044729 transitions. Word has length 108 [2022-01-18 11:07:04,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:07:04,579 INFO L470 AbstractCegarLoop]: Abstraction has 277244 states and 1044729 transitions. [2022-01-18 11:07:04,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:04,579 INFO L276 IsEmpty]: Start isEmpty. Operand 277244 states and 1044729 transitions. [2022-01-18 11:07:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:07:06,193 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:07:06,193 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, 1] [2022-01-18 11:07:06,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 11:07:06,194 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:07:06,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:07:06,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1615979061, now seen corresponding path program 9 times [2022-01-18 11:07:06,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:07:06,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529679909] [2022-01-18 11:07:06,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:07:06,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:07:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:07:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:07:06,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:07:06,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529679909] [2022-01-18 11:07:06,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529679909] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:07:06,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:07:06,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:07:06,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490068264] [2022-01-18 11:07:06,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:07:06,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:07:06,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:07:06,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:07:06,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:07:06,251 INFO L87 Difference]: Start difference. First operand 277244 states and 1044729 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:09,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:07:09,411 INFO L93 Difference]: Finished difference Result 302330 states and 1129585 transitions. [2022-01-18 11:07:09,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:07:09,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:07:09,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:07:10,824 INFO L225 Difference]: With dead ends: 302330 [2022-01-18 11:07:10,824 INFO L226 Difference]: Without dead ends: 302330 [2022-01-18 11:07:10,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:07:10,825 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 454 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:07:10,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 683 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:07:12,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302330 states. [2022-01-18 11:07:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302330 to 276064. [2022-01-18 11:07:19,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276064 states, 276063 states have (on average 3.7648362873691874) internal successors, (1039332), 276063 states have internal predecessors, (1039332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276064 states to 276064 states and 1039332 transitions. [2022-01-18 11:07:21,494 INFO L78 Accepts]: Start accepts. Automaton has 276064 states and 1039332 transitions. Word has length 108 [2022-01-18 11:07:21,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:07:21,495 INFO L470 AbstractCegarLoop]: Abstraction has 276064 states and 1039332 transitions. [2022-01-18 11:07:21,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 276064 states and 1039332 transitions. [2022-01-18 11:07:22,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:07:22,447 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:07:22,447 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, 1] [2022-01-18 11:07:22,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 11:07:22,447 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:07:22,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:07:22,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2059738567, now seen corresponding path program 10 times [2022-01-18 11:07:22,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:07:22,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319129874] [2022-01-18 11:07:22,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:07:22,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:07:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:07:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:07:22,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:07:22,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319129874] [2022-01-18 11:07:22,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319129874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:07:22,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:07:22,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:07:22,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322558337] [2022-01-18 11:07:22,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:07:22,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:07:22,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:07:22,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:07:22,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:07:22,544 INFO L87 Difference]: Start difference. First operand 276064 states and 1039332 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:25,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:07:25,584 INFO L93 Difference]: Finished difference Result 310479 states and 1160931 transitions. [2022-01-18 11:07:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:07:25,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:07:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:07:26,944 INFO L225 Difference]: With dead ends: 310479 [2022-01-18 11:07:26,945 INFO L226 Difference]: Without dead ends: 310479 [2022-01-18 11:07:26,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:07:26,946 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 425 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:07:26,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [425 Valid, 584 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:07:28,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310479 states. [2022-01-18 11:07:36,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310479 to 276064. [2022-01-18 11:07:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276064 states, 276063 states have (on average 3.7648362873691874) internal successors, (1039332), 276063 states have internal predecessors, (1039332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276064 states to 276064 states and 1039332 transitions. [2022-01-18 11:07:39,405 INFO L78 Accepts]: Start accepts. Automaton has 276064 states and 1039332 transitions. Word has length 108 [2022-01-18 11:07:39,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:07:39,406 INFO L470 AbstractCegarLoop]: Abstraction has 276064 states and 1039332 transitions. [2022-01-18 11:07:39,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 276064 states and 1039332 transitions. [2022-01-18 11:07:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:07:40,396 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:07:40,396 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, 1] [2022-01-18 11:07:40,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 11:07:40,397 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:07:40,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:07:40,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1239173991, now seen corresponding path program 11 times [2022-01-18 11:07:40,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:07:40,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255186331] [2022-01-18 11:07:40,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:07:40,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:07:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:07:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:07:40,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:07:40,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255186331] [2022-01-18 11:07:40,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255186331] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:07:40,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:07:40,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:07:40,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462944151] [2022-01-18 11:07:40,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:07:40,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:07:40,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:07:40,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:07:40,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:07:40,492 INFO L87 Difference]: Start difference. First operand 276064 states and 1039332 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:43,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:07:43,395 INFO L93 Difference]: Finished difference Result 329593 states and 1227645 transitions. [2022-01-18 11:07:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 11:07:43,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:07:43,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:07:45,521 INFO L225 Difference]: With dead ends: 329593 [2022-01-18 11:07:45,521 INFO L226 Difference]: Without dead ends: 329593 [2022-01-18 11:07:45,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 11:07:45,525 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 543 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:07:45,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 753 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:07:46,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329593 states. [2022-01-18 11:07:53,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329593 to 275668. [2022-01-18 11:07:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275668 states, 275667 states have (on average 3.7635806970003665) internal successors, (1037495), 275667 states have internal predecessors, (1037495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275668 states to 275668 states and 1037495 transitions. [2022-01-18 11:07:56,603 INFO L78 Accepts]: Start accepts. Automaton has 275668 states and 1037495 transitions. Word has length 108 [2022-01-18 11:07:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:07:56,603 INFO L470 AbstractCegarLoop]: Abstraction has 275668 states and 1037495 transitions. [2022-01-18 11:07:56,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:07:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 275668 states and 1037495 transitions. [2022-01-18 11:07:58,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:07:58,364 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:07:58,364 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, 1] [2022-01-18 11:07:58,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 11:07:58,364 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:07:58,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:07:58,365 INFO L85 PathProgramCache]: Analyzing trace with hash -227244117, now seen corresponding path program 12 times [2022-01-18 11:07:58,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:07:58,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586947459] [2022-01-18 11:07:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:07:58,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:07:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:07:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:07:58,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:07:58,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586947459] [2022-01-18 11:07:58,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586947459] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:07:58,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:07:58,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:07:58,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481253894] [2022-01-18 11:07:58,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:07:58,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:07:58,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:07:58,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:07:58,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:07:58,456 INFO L87 Difference]: Start difference. First operand 275668 states and 1037495 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:01,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:08:01,609 INFO L93 Difference]: Finished difference Result 351681 states and 1306834 transitions. [2022-01-18 11:08:01,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:08:01,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:08:01,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:08:04,954 INFO L225 Difference]: With dead ends: 351681 [2022-01-18 11:08:04,954 INFO L226 Difference]: Without dead ends: 351681 [2022-01-18 11:08:04,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:08:04,955 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 624 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:08:04,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 877 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:08:06,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351681 states. [2022-01-18 11:08:15,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351681 to 275274. [2022-01-18 11:08:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275274 states, 275273 states have (on average 3.7638271824697664) internal successors, (1036080), 275273 states have internal predecessors, (1036080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275274 states to 275274 states and 1036080 transitions. [2022-01-18 11:08:17,813 INFO L78 Accepts]: Start accepts. Automaton has 275274 states and 1036080 transitions. Word has length 108 [2022-01-18 11:08:17,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:08:17,813 INFO L470 AbstractCegarLoop]: Abstraction has 275274 states and 1036080 transitions. [2022-01-18 11:08:17,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 275274 states and 1036080 transitions. [2022-01-18 11:08:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:08:18,794 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:08:18,795 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, 1] [2022-01-18 11:08:18,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 11:08:18,795 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:08:18,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:08:18,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1613744595, now seen corresponding path program 7 times [2022-01-18 11:08:18,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:08:18,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884244384] [2022-01-18 11:08:18,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:08:18,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:08:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:08:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:08:18,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:08:18,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884244384] [2022-01-18 11:08:18,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884244384] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:08:18,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:08:18,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:08:18,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603823725] [2022-01-18 11:08:18,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:08:18,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:08:18,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:08:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:08:18,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:08:18,921 INFO L87 Difference]: Start difference. First operand 275274 states and 1036080 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:22,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:08:22,020 INFO L93 Difference]: Finished difference Result 331056 states and 1227163 transitions. [2022-01-18 11:08:22,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:08:22,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:08:22,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:08:23,937 INFO L225 Difference]: With dead ends: 331056 [2022-01-18 11:08:23,937 INFO L226 Difference]: Without dead ends: 331056 [2022-01-18 11:08:23,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-18 11:08:23,938 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 364 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:08:23,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [364 Valid, 965 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:08:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331056 states. [2022-01-18 11:08:32,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331056 to 268420. [2022-01-18 11:08:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268420 states, 268419 states have (on average 3.75584068191894) internal successors, (1008139), 268419 states have internal predecessors, (1008139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268420 states to 268420 states and 1008139 transitions. [2022-01-18 11:08:34,684 INFO L78 Accepts]: Start accepts. Automaton has 268420 states and 1008139 transitions. Word has length 108 [2022-01-18 11:08:34,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:08:34,685 INFO L470 AbstractCegarLoop]: Abstraction has 268420 states and 1008139 transitions. [2022-01-18 11:08:34,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 268420 states and 1008139 transitions. [2022-01-18 11:08:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:08:35,996 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:08:35,997 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, 1] [2022-01-18 11:08:35,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 11:08:35,997 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:08:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:08:35,997 INFO L85 PathProgramCache]: Analyzing trace with hash 41152173, now seen corresponding path program 8 times [2022-01-18 11:08:35,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:08:35,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655338945] [2022-01-18 11:08:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:08:35,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:08:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:08:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:08:36,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:08:36,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655338945] [2022-01-18 11:08:36,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655338945] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:08:36,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:08:36,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:08:36,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445584839] [2022-01-18 11:08:36,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:08:36,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:08:36,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:08:36,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:08:36,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:08:36,093 INFO L87 Difference]: Start difference. First operand 268420 states and 1008139 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:08:38,453 INFO L93 Difference]: Finished difference Result 307418 states and 1142023 transitions. [2022-01-18 11:08:38,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:08:38,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:08:38,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:08:41,585 INFO L225 Difference]: With dead ends: 307418 [2022-01-18 11:08:41,586 INFO L226 Difference]: Without dead ends: 307418 [2022-01-18 11:08:41,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 11:08:41,586 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 375 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:08:41,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 795 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:08:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307418 states. [2022-01-18 11:08:50,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307418 to 268420. [2022-01-18 11:08:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268420 states, 268419 states have (on average 3.75584068191894) internal successors, (1008139), 268419 states have internal predecessors, (1008139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268420 states to 268420 states and 1008139 transitions. [2022-01-18 11:08:52,777 INFO L78 Accepts]: Start accepts. Automaton has 268420 states and 1008139 transitions. Word has length 108 [2022-01-18 11:08:52,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:08:52,777 INFO L470 AbstractCegarLoop]: Abstraction has 268420 states and 1008139 transitions. [2022-01-18 11:08:52,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 268420 states and 1008139 transitions. [2022-01-18 11:08:54,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:08:54,133 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:08:54,133 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, 1] [2022-01-18 11:08:54,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 11:08:54,133 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:08:54,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:08:54,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1946046515, now seen corresponding path program 9 times [2022-01-18 11:08:54,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:08:54,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735311283] [2022-01-18 11:08:54,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:08:54,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:08:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:08:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:08:54,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:08:54,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735311283] [2022-01-18 11:08:54,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735311283] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:08:54,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:08:54,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:08:54,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308269896] [2022-01-18 11:08:54,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:08:54,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:08:54,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:08:54,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:08:54,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:08:54,197 INFO L87 Difference]: Start difference. First operand 268420 states and 1008139 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:08:56,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:08:56,714 INFO L93 Difference]: Finished difference Result 310551 states and 1153766 transitions. [2022-01-18 11:08:56,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:08:56,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:08:56,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:08:58,834 INFO L225 Difference]: With dead ends: 310551 [2022-01-18 11:08:58,834 INFO L226 Difference]: Without dead ends: 310551 [2022-01-18 11:08:58,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:08:58,836 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 592 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:08:58,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [592 Valid, 834 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:08:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310551 states. [2022-01-18 11:09:06,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310551 to 268060. [2022-01-18 11:09:07,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268060 states, 268059 states have (on average 3.7547890576328347) internal successors, (1006505), 268059 states have internal predecessors, (1006505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268060 states to 268060 states and 1006505 transitions. [2022-01-18 11:09:09,512 INFO L78 Accepts]: Start accepts. Automaton has 268060 states and 1006505 transitions. Word has length 108 [2022-01-18 11:09:09,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:09:09,512 INFO L470 AbstractCegarLoop]: Abstraction has 268060 states and 1006505 transitions. [2022-01-18 11:09:09,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 268060 states and 1006505 transitions. [2022-01-18 11:09:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:09:10,271 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:09:10,271 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, 1] [2022-01-18 11:09:10,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 11:09:10,271 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:09:10,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:09:10,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1745738575, now seen corresponding path program 10 times [2022-01-18 11:09:10,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:09:10,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322069031] [2022-01-18 11:09:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:09:10,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:09:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:09:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:09:10,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:09:10,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322069031] [2022-01-18 11:09:10,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322069031] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:09:10,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:09:10,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:09:10,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907152242] [2022-01-18 11:09:10,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:09:10,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:09:10,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:09:10,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:09:10,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:09:10,326 INFO L87 Difference]: Start difference. First operand 268060 states and 1006505 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:09:13,185 INFO L93 Difference]: Finished difference Result 309418 states and 1151442 transitions. [2022-01-18 11:09:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 11:09:13,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:09:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:09:14,636 INFO L225 Difference]: With dead ends: 309418 [2022-01-18 11:09:14,636 INFO L226 Difference]: Without dead ends: 309418 [2022-01-18 11:09:14,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 11:09:14,636 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 505 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:09:14,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [505 Valid, 692 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:09:15,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309418 states. [2022-01-18 11:09:23,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309418 to 267794. [2022-01-18 11:09:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267794 states, 267793 states have (on average 3.754556691175647) internal successors, (1005444), 267793 states have internal predecessors, (1005444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267794 states to 267794 states and 1005444 transitions. [2022-01-18 11:09:26,325 INFO L78 Accepts]: Start accepts. Automaton has 267794 states and 1005444 transitions. Word has length 108 [2022-01-18 11:09:26,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:09:26,325 INFO L470 AbstractCegarLoop]: Abstraction has 267794 states and 1005444 transitions. [2022-01-18 11:09:26,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 267794 states and 1005444 transitions. [2022-01-18 11:09:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:09:27,110 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:09:27,111 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, 1] [2022-01-18 11:09:27,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 11:09:27,111 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:09:27,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:09:27,111 INFO L85 PathProgramCache]: Analyzing trace with hash 843326991, now seen corresponding path program 11 times [2022-01-18 11:09:27,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:09:27,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390079970] [2022-01-18 11:09:27,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:09:27,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:09:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:09:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:09:27,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:09:27,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390079970] [2022-01-18 11:09:27,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390079970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:09:27,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:09:27,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:09:27,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773076496] [2022-01-18 11:09:27,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:09:27,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:09:27,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:09:27,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:09:27,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:09:27,188 INFO L87 Difference]: Start difference. First operand 267794 states and 1005444 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:29,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:09:29,992 INFO L93 Difference]: Finished difference Result 311035 states and 1156638 transitions. [2022-01-18 11:09:29,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:09:29,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:09:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:09:31,387 INFO L225 Difference]: With dead ends: 311035 [2022-01-18 11:09:31,387 INFO L226 Difference]: Without dead ends: 311035 [2022-01-18 11:09:31,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:09:31,388 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 464 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:09:31,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 653 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:09:32,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311035 states. [2022-01-18 11:09:39,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311035 to 266839. [2022-01-18 11:09:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266839 states, 266838 states have (on average 3.752156739295003) internal successors, (1001218), 266838 states have internal predecessors, (1001218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266839 states to 266839 states and 1001218 transitions. [2022-01-18 11:09:41,749 INFO L78 Accepts]: Start accepts. Automaton has 266839 states and 1001218 transitions. Word has length 108 [2022-01-18 11:09:41,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:09:41,750 INFO L470 AbstractCegarLoop]: Abstraction has 266839 states and 1001218 transitions. [2022-01-18 11:09:41,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 266839 states and 1001218 transitions. [2022-01-18 11:09:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 11:09:42,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:09:42,489 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, 1] [2022-01-18 11:09:42,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 11:09:42,489 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:09:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:09:42,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1663891567, now seen corresponding path program 12 times [2022-01-18 11:09:42,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:09:42,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071878737] [2022-01-18 11:09:42,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:09:42,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:09:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:09:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:09:42,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:09:42,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071878737] [2022-01-18 11:09:42,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071878737] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:09:42,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:09:42,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:09:42,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859990258] [2022-01-18 11:09:42,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:09:42,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:09:42,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:09:42,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:09:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:09:42,543 INFO L87 Difference]: Start difference. First operand 266839 states and 1001218 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:09:45,287 INFO L93 Difference]: Finished difference Result 318432 states and 1182589 transitions. [2022-01-18 11:09:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 11:09:45,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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 108 [2022-01-18 11:09:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:09:46,842 INFO L225 Difference]: With dead ends: 318432 [2022-01-18 11:09:46,842 INFO L226 Difference]: Without dead ends: 318432 [2022-01-18 11:09:46,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:09:46,846 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 497 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:09:46,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 619 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:09:48,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318432 states. [2022-01-18 11:09:56,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318432 to 266442. [2022-01-18 11:09:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266442 states, 266441 states have (on average 3.750939232325355) internal successors, (999404), 266441 states have internal predecessors, (999404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266442 states to 266442 states and 999404 transitions. [2022-01-18 11:09:58,654 INFO L78 Accepts]: Start accepts. Automaton has 266442 states and 999404 transitions. Word has length 108 [2022-01-18 11:09:58,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:09:58,654 INFO L470 AbstractCegarLoop]: Abstraction has 266442 states and 999404 transitions. [2022-01-18 11:09:58,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:09:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 266442 states and 999404 transitions. [2022-01-18 11:09:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 11:09:59,376 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:09:59,376 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, 1, 1, 1] [2022-01-18 11:09:59,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 11:09:59,376 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:09:59,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:09:59,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1358077890, now seen corresponding path program 1 times [2022-01-18 11:09:59,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:09:59,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767017520] [2022-01-18 11:09:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:09:59,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:09:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:09:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:09:59,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:09:59,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767017520] [2022-01-18 11:09:59,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767017520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:09:59,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:09:59,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 11:09:59,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351227472] [2022-01-18 11:09:59,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:09:59,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 11:09:59,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:09:59,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 11:09:59,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 11:09:59,456 INFO L87 Difference]: Start difference. First operand 266442 states and 999404 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:04,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:04,629 INFO L93 Difference]: Finished difference Result 559558 states and 2064204 transitions. [2022-01-18 11:10:04,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:10:04,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2022-01-18 11:10:04,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:08,085 INFO L225 Difference]: With dead ends: 559558 [2022-01-18 11:10:08,086 INFO L226 Difference]: Without dead ends: 559558 [2022-01-18 11:10:08,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:10:08,086 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 557 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:08,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 1073 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:09,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559558 states. [2022-01-18 11:10:19,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559558 to 276957. [2022-01-18 11:10:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276957 states, 276956 states have (on average 3.7244002657461834) internal successors, (1031495), 276956 states have internal predecessors, (1031495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276957 states to 276957 states and 1031495 transitions. [2022-01-18 11:10:21,568 INFO L78 Accepts]: Start accepts. Automaton has 276957 states and 1031495 transitions. Word has length 110 [2022-01-18 11:10:21,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:21,569 INFO L470 AbstractCegarLoop]: Abstraction has 276957 states and 1031495 transitions. [2022-01-18 11:10:21,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 276957 states and 1031495 transitions. [2022-01-18 11:10:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 11:10:22,947 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:22,948 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, 1, 1, 1] [2022-01-18 11:10:22,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 11:10:22,948 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:10:22,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:22,948 INFO L85 PathProgramCache]: Analyzing trace with hash 549570025, now seen corresponding path program 1 times [2022-01-18 11:10:22,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:22,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373469230] [2022-01-18 11:10:22,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:22,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:23,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:23,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373469230] [2022-01-18 11:10:23,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373469230] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:23,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:23,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 11:10:23,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363764943] [2022-01-18 11:10:23,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:23,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 11:10:23,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:23,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 11:10:23,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:10:23,038 INFO L87 Difference]: Start difference. First operand 276957 states and 1031495 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:25,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:25,958 INFO L93 Difference]: Finished difference Result 296456 states and 1098163 transitions. [2022-01-18 11:10:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 11:10:25,958 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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 110 [2022-01-18 11:10:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:28,410 INFO L225 Difference]: With dead ends: 296456 [2022-01-18 11:10:28,410 INFO L226 Difference]: Without dead ends: 292474 [2022-01-18 11:10:28,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=572, Unknown=0, NotChecked=0, Total=756 [2022-01-18 11:10:28,410 INFO L933 BasicCegarLoop]: 461 mSDtfsCounter, 591 mSDsluCounter, 2405 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:28,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 2768 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:29,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292474 states. [2022-01-18 11:10:36,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292474 to 277109. [2022-01-18 11:10:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277109 states, 277108 states have (on average 3.723082696999004) internal successors, (1031696), 277108 states have internal predecessors, (1031696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277109 states to 277109 states and 1031696 transitions. [2022-01-18 11:10:38,828 INFO L78 Accepts]: Start accepts. Automaton has 277109 states and 1031696 transitions. Word has length 110 [2022-01-18 11:10:38,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:38,828 INFO L470 AbstractCegarLoop]: Abstraction has 277109 states and 1031696 transitions. [2022-01-18 11:10:38,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 277109 states and 1031696 transitions. [2022-01-18 11:10:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 11:10:40,116 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:40,116 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, 1, 1, 1] [2022-01-18 11:10:40,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 11:10:40,116 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:10:40,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:40,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1008002387, now seen corresponding path program 2 times [2022-01-18 11:10:40,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:40,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527798078] [2022-01-18 11:10:40,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:40,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:40,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:40,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527798078] [2022-01-18 11:10:40,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527798078] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:40,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:40,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 11:10:40,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270670344] [2022-01-18 11:10:40,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:40,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 11:10:40,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:40,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 11:10:40,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:10:40,236 INFO L87 Difference]: Start difference. First operand 277109 states and 1031696 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:42,642 INFO L93 Difference]: Finished difference Result 287637 states and 1068546 transitions. [2022-01-18 11:10:42,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 11:10:42,643 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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 110 [2022-01-18 11:10:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:45,143 INFO L225 Difference]: With dead ends: 287637 [2022-01-18 11:10:45,143 INFO L226 Difference]: Without dead ends: 284889 [2022-01-18 11:10:45,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:10:45,143 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 396 mSDsluCounter, 2982 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:45,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [396 Valid, 3283 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:45,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284889 states. [2022-01-18 11:10:52,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284889 to 277152. [2022-01-18 11:10:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277152 states, 277151 states have (on average 3.722909172256279) internal successors, (1031808), 277151 states have internal predecessors, (1031808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277152 states to 277152 states and 1031808 transitions. [2022-01-18 11:10:54,590 INFO L78 Accepts]: Start accepts. Automaton has 277152 states and 1031808 transitions. Word has length 110 [2022-01-18 11:10:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:54,590 INFO L470 AbstractCegarLoop]: Abstraction has 277152 states and 1031808 transitions. [2022-01-18 11:10:54,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 277152 states and 1031808 transitions. [2022-01-18 11:10:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 11:10:56,054 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:56,060 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, 1, 1, 1] [2022-01-18 11:10:56,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 11:10:56,061 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:10:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash -963162839, now seen corresponding path program 3 times [2022-01-18 11:10:56,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:56,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667523710] [2022-01-18 11:10:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:56,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:56,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:56,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667523710] [2022-01-18 11:10:56,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667523710] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:56,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:56,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 11:10:56,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704936201] [2022-01-18 11:10:56,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:56,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 11:10:56,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:56,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 11:10:56,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:10:56,186 INFO L87 Difference]: Start difference. First operand 277152 states and 1031808 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:58,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:58,285 INFO L93 Difference]: Finished difference Result 286676 states and 1065192 transitions. [2022-01-18 11:10:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 11:10:58,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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 110 [2022-01-18 11:10:58,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:00,416 INFO L225 Difference]: With dead ends: 286676 [2022-01-18 11:11:00,417 INFO L226 Difference]: Without dead ends: 284235 [2022-01-18 11:11:00,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2022-01-18 11:11:00,417 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 272 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 2887 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:00,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 2887 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:01,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284235 states. [2022-01-18 11:11:08,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284235 to 277195. [2022-01-18 11:11:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277195 states, 277194 states have (on average 3.722735701349957) internal successors, (1031920), 277194 states have internal predecessors, (1031920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277195 states to 277195 states and 1031920 transitions. [2022-01-18 11:11:10,929 INFO L78 Accepts]: Start accepts. Automaton has 277195 states and 1031920 transitions. Word has length 110 [2022-01-18 11:11:10,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:10,929 INFO L470 AbstractCegarLoop]: Abstraction has 277195 states and 1031920 transitions. [2022-01-18 11:11:10,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 277195 states and 1031920 transitions. [2022-01-18 11:11:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 11:11:11,665 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:11,665 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, 1, 1, 1] [2022-01-18 11:11:11,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 11:11:11,666 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:11:11,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1742308561, now seen corresponding path program 4 times [2022-01-18 11:11:11,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:11,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690615494] [2022-01-18 11:11:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:11,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:11,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:11,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690615494] [2022-01-18 11:11:11,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690615494] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:11,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:11,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 11:11:11,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830533405] [2022-01-18 11:11:11,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:11,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 11:11:11,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:11,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 11:11:11,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:11:11,739 INFO L87 Difference]: Start difference. First operand 277195 states and 1031920 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:14,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:14,553 INFO L93 Difference]: Finished difference Result 286335 states and 1063958 transitions. [2022-01-18 11:11:14,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 11:11:14,554 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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 110 [2022-01-18 11:11:14,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:16,004 INFO L225 Difference]: With dead ends: 286335 [2022-01-18 11:11:16,004 INFO L226 Difference]: Without dead ends: 283630 [2022-01-18 11:11:16,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2022-01-18 11:11:16,004 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 302 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:16,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 2910 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:17,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283630 states. [2022-01-18 11:11:23,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283630 to 276934. [2022-01-18 11:11:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276934 states, 276933 states have (on average 3.7232363062545812) internal successors, (1031087), 276933 states have internal predecessors, (1031087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276934 states to 276934 states and 1031087 transitions. [2022-01-18 11:11:26,168 INFO L78 Accepts]: Start accepts. Automaton has 276934 states and 1031087 transitions. Word has length 110 [2022-01-18 11:11:26,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:26,169 INFO L470 AbstractCegarLoop]: Abstraction has 276934 states and 1031087 transitions. [2022-01-18 11:11:26,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:26,169 INFO L276 IsEmpty]: Start isEmpty. Operand 276934 states and 1031087 transitions. [2022-01-18 11:11:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-18 11:11:26,941 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:26,941 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, 1, 1, 1] [2022-01-18 11:11:26,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 11:11:26,942 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 11:11:26,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:26,942 INFO L85 PathProgramCache]: Analyzing trace with hash -789383507, now seen corresponding path program 5 times [2022-01-18 11:11:26,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:26,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235386648] [2022-01-18 11:11:26,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:26,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:27,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:27,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235386648] [2022-01-18 11:11:27,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235386648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:27,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:27,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 11:11:27,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851066424] [2022-01-18 11:11:27,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:27,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 11:11:27,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:27,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 11:11:27,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:11:27,023 INFO L87 Difference]: Start difference. First operand 276934 states and 1031087 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:29,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:29,936 INFO L93 Difference]: Finished difference Result 287619 states and 1068527 transitions. [2022-01-18 11:11:29,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 11:11:29,936 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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 110 [2022-01-18 11:11:29,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:31,142 INFO L225 Difference]: With dead ends: 287619 [2022-01-18 11:11:31,143 INFO L226 Difference]: Without dead ends: 284877 [2022-01-18 11:11:31,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2022-01-18 11:11:31,143 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 305 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:31,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [305 Valid, 2696 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:32,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284877 states. Received shutdown request... [2022-01-18 11:11:33,030 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-18 11:11:33,030 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 11:11:33,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 11:11:33,033 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-01-18 11:11:33,034 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-18 11:11:33,034 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 11:11:33,034 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-18 11:11:33,037 INFO L732 BasicCegarLoop]: Path program histogram: [12, 12, 5, 1, 1] [2022-01-18 11:11:33,038 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 11:11:33,038 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 11:11:33,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:11:33 BasicIcfg [2022-01-18 11:11:33,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 11:11:33,041 INFO L158 Benchmark]: Toolchain (without parser) took 583178.99ms. Allocated memory was 375.4MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 319.7MB in the beginning and 8.1GB in the end (delta: -7.8GB). Peak memory consumption was 8.1GB. Max. memory is 16.0GB. [2022-01-18 11:11:33,055 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 375.4MB. Free memory is still 336.6MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 11:11:33,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.31ms. Allocated memory was 375.4MB in the beginning and 526.4MB in the end (delta: 151.0MB). Free memory was 319.6MB in the beginning and 497.7MB in the end (delta: -178.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.0GB. [2022-01-18 11:11:33,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.34ms. Allocated memory is still 526.4MB. Free memory was 497.7MB in the beginning and 495.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:11:33,057 INFO L158 Benchmark]: Boogie Preprocessor took 19.63ms. Allocated memory is still 526.4MB. Free memory was 494.5MB in the beginning and 493.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:11:33,057 INFO L158 Benchmark]: RCFGBuilder took 463.78ms. Allocated memory is still 526.4MB. Free memory was 493.5MB in the beginning and 473.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2022-01-18 11:11:33,061 INFO L158 Benchmark]: TraceAbstraction took 582461.14ms. Allocated memory was 526.4MB in the beginning and 16.0GB in the end (delta: 15.5GB). Free memory was 473.6MB in the beginning and 8.1GB in the end (delta: -7.6GB). Peak memory consumption was 8.1GB. Max. memory is 16.0GB. [2022-01-18 11:11:33,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 375.4MB. Free memory is still 336.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 204.31ms. Allocated memory was 375.4MB in the beginning and 526.4MB in the end (delta: 151.0MB). Free memory was 319.6MB in the beginning and 497.7MB in the end (delta: -178.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 24.34ms. Allocated memory is still 526.4MB. Free memory was 497.7MB in the beginning and 495.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.63ms. Allocated memory is still 526.4MB. Free memory was 494.5MB in the beginning and 493.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 463.78ms. Allocated memory is still 526.4MB. Free memory was 493.5MB in the beginning and 473.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 582461.14ms. Allocated memory was 526.4MB in the beginning and 16.0GB in the end (delta: 15.5GB). Free memory was 473.6MB in the beginning and 8.1GB in the end (delta: -7.6GB). Peak memory consumption was 8.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 342 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 582.3s, OverallIterations: 31, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 36.1s, AutomataDifference: 178.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14077 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14077 mSDsluCounter, 36713 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26453 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4444 IncrementalHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 11387 mSDtfsCounter, 4444 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291242occurred in iteration=0, InterpolantAutomatonStates: 253, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 357.5s AutomataMinimizationTime, 31 MinimizatonAttempts, 1973586 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3358 NumberOfCodeBlocks, 3358 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 3327 ConstructedInterpolants, 0 QuantifiedInterpolants, 15836 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-01-18 11:11:33,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 !ENTRY org.eclipse.osgi 4 0 2022-01-18 11:11:33.299 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ad66896/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ad66896/.metadata/.log.