/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:41:45,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:41:45,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:41:46,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 22:41:46,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 22:41:46,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 22:41:46,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 22:41:46,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 22:41:46,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 22:41:46,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 22:41:46,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 22:41:46,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 22:41:46,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 22:41:46,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 22:41:46,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 22:41:46,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 22:41:46,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 22:41:46,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 22:41:46,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 22:41:46,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 22:41:46,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 22:41:46,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 22:41:46,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 22:41:46,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 22:41:46,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 22:41:46,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:41:46,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:41:46,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:41:46,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 22:41:46,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:41:46,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:41:46,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:41:46,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:41:46,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:41:46,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:41:46,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:41:46,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:41:46,095 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:41:46,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:41:46,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:41:46,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:41:46,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:41:46,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:41:46,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:41:46,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:41:46,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:41:46,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:41:46,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:41:46,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:41:46,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:41:46,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:41:46,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:41:46,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:41:46,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:41:46,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:41:46,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:41:46,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:41:46,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:41:46,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:41:46,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:41:46,098 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:41:46,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:41:46,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:41:46,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:41:46,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:41:46,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:41:46,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:41:46,273 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:41:46,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2022-02-10 22:41:46,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076792756/dd47bf1f053e4b78841b16c3dab1601f/FLAG2632191af [2022-02-10 22:41:46,716 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:41:46,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2022-02-10 22:41:46,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076792756/dd47bf1f053e4b78841b16c3dab1601f/FLAG2632191af [2022-02-10 22:41:47,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076792756/dd47bf1f053e4b78841b16c3dab1601f [2022-02-10 22:41:47,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:41:47,109 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:41:47,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:41:47,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:41:47,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:41:47,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2356603e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47, skipping insertion in model container [2022-02-10 22:41:47,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:41:47,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:41:47,328 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/popl20-commit-1.wvr.c[4604,4617] [2022-02-10 22:41:47,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:41:47,339 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:41:47,358 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/popl20-commit-1.wvr.c[4604,4617] [2022-02-10 22:41:47,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:41:47,370 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:41:47,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47 WrapperNode [2022-02-10 22:41:47,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:41:47,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:41:47,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:41:47,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:41:47,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,408 INFO L137 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 333 [2022-02-10 22:41:47,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:41:47,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:41:47,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:41:47,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:41:47,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:41:47,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:41:47,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:41:47,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:41:47,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (1/1) ... [2022-02-10 22:41:47,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:41:47,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:41:47,465 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) [2022-02-10 22:41:47,477 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 [2022-02-10 22:41:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:41:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:41:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:41:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:41:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 22:41:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 22:41:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 22:41:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 22:41:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-10 22:41:47,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-10 22:41:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:41:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 22:41:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 22:41:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-10 22:41:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:41:47,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:41:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:41:47,499 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:41:47,564 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:41:47,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:41:47,988 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:41:48,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:41:48,103 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-10 22:41:48,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:41:48 BoogieIcfgContainer [2022-02-10 22:41:48,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:41:48,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:41:48,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:41:48,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:41:48,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:41:47" (1/3) ... [2022-02-10 22:41:48,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527e1527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:41:48, skipping insertion in model container [2022-02-10 22:41:48,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:41:47" (2/3) ... [2022-02-10 22:41:48,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527e1527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:41:48, skipping insertion in model container [2022-02-10 22:41:48,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:41:48" (3/3) ... [2022-02-10 22:41:48,111 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2022-02-10 22:41:48,115 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:41:48,115 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:41:48,115 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:41:48,115 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:41:48,147 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,147 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,147 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,148 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,149 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,149 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,149 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,149 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,149 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,149 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,149 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,150 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,150 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,150 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,150 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,150 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,150 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,151 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,151 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,151 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,151 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,151 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,152 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,153 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,153 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,153 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,153 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,153 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,153 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,154 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,154 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,154 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,154 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,155 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,155 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,155 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,155 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,155 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,156 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,157 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,158 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,158 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,158 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,158 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,158 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,158 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,159 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,159 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,159 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,159 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,160 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,160 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,160 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,160 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,160 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,161 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,162 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,163 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,163 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,163 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,163 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,163 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,163 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~short22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,163 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,164 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,164 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,164 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,164 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,164 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~short22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,165 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,165 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,169 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,169 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,170 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~short22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,170 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,170 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,170 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,170 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,170 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,171 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,171 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,172 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,173 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,173 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,173 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,173 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,173 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,173 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,174 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,175 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:41:48,177 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-10 22:41:48,206 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:41:48,211 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 [2022-02-10 22:41:48,211 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 22:41:48,220 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 245 places, 254 transitions, 532 flow [2022-02-10 22:41:48,360 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3493 states, 3492 states have (on average 3.7328178694158076) internal successors, (13035), 3492 states have internal predecessors, (13035), 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) [2022-02-10 22:41:48,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 3493 states, 3492 states have (on average 3.7328178694158076) internal successors, (13035), 3492 states have internal predecessors, (13035), 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) [2022-02-10 22:41:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-02-10 22:41:48,446 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:48,447 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:48,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:48,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:48,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1682365706, now seen corresponding path program 1 times [2022-02-10 22:41:48,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:48,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047915873] [2022-02-10 22:41:48,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:41:48,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:48,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047915873] [2022-02-10 22:41:48,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047915873] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:48,714 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:48,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:41:48,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865527124] [2022-02-10 22:41:48,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:48,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:41:48,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:48,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:41:48,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:41:48,757 INFO L87 Difference]: Start difference. First operand has 3493 states, 3492 states have (on average 3.7328178694158076) internal successors, (13035), 3492 states have internal predecessors, (13035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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) [2022-02-10 22:41:48,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:48,865 INFO L93 Difference]: Finished difference Result 3493 states and 11964 transitions. [2022-02-10 22:41:48,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:41:48,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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 182 [2022-02-10 22:41:48,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:48,918 INFO L225 Difference]: With dead ends: 3493 [2022-02-10 22:41:48,918 INFO L226 Difference]: Without dead ends: 3486 [2022-02-10 22:41:48,920 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:41:48,922 INFO L934 BasicCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:48,923 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:41:48,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2022-02-10 22:41:49,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3486. [2022-02-10 22:41:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3486 states, 3485 states have (on average 3.4309899569583933) internal successors, (11957), 3485 states have internal predecessors, (11957), 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) [2022-02-10 22:41:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 11957 transitions. [2022-02-10 22:41:49,130 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 11957 transitions. Word has length 182 [2022-02-10 22:41:49,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:49,131 INFO L470 AbstractCegarLoop]: Abstraction has 3486 states and 11957 transitions. [2022-02-10 22:41:49,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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) [2022-02-10 22:41:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 11957 transitions. [2022-02-10 22:41:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-02-10 22:41:49,145 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:49,145 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:49,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:41:49,146 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:49,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:49,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1039696969, now seen corresponding path program 1 times [2022-02-10 22:41:49,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:49,149 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906297866] [2022-02-10 22:41:49,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:49,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:41:49,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:49,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906297866] [2022-02-10 22:41:49,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906297866] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:49,462 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:49,462 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:41:49,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298248480] [2022-02-10 22:41:49,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:49,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:41:49,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:49,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:41:49,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:41:49,464 INFO L87 Difference]: Start difference. First operand 3486 states and 11957 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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) [2022-02-10 22:41:49,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:49,606 INFO L93 Difference]: Finished difference Result 5588 states and 19361 transitions. [2022-02-10 22:41:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 22:41:49,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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 185 [2022-02-10 22:41:49,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:49,686 INFO L225 Difference]: With dead ends: 5588 [2022-02-10 22:41:49,686 INFO L226 Difference]: Without dead ends: 5266 [2022-02-10 22:41:49,689 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:41:49,690 INFO L934 BasicCegarLoop]: 204 mSDtfsCounter, 32 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:49,691 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 651 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:41:49,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5266 states. [2022-02-10 22:41:49,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5266 to 3940. [2022-02-10 22:41:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3940 states, 3939 states have (on average 3.4193957857324193) internal successors, (13469), 3939 states have internal predecessors, (13469), 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) [2022-02-10 22:41:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 13469 transitions. [2022-02-10 22:41:49,807 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 13469 transitions. Word has length 185 [2022-02-10 22:41:49,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:49,808 INFO L470 AbstractCegarLoop]: Abstraction has 3940 states and 13469 transitions. [2022-02-10 22:41:49,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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) [2022-02-10 22:41:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 13469 transitions. [2022-02-10 22:41:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-10 22:41:49,820 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:49,820 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:49,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:41:49,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash 600575771, now seen corresponding path program 1 times [2022-02-10 22:41:49,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:49,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112478257] [2022-02-10 22:41:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:41:49,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:49,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112478257] [2022-02-10 22:41:49,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112478257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:49,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:49,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:41:49,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327704604] [2022-02-10 22:41:49,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:49,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:41:49,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:49,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:41:49,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:41:49,981 INFO L87 Difference]: Start difference. First operand 3940 states and 13469 transitions. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 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) [2022-02-10 22:41:50,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:50,133 INFO L93 Difference]: Finished difference Result 5860 states and 19175 transitions. [2022-02-10 22:41:50,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:41:50,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 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 189 [2022-02-10 22:41:50,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:50,154 INFO L225 Difference]: With dead ends: 5860 [2022-02-10 22:41:50,155 INFO L226 Difference]: Without dead ends: 3946 [2022-02-10 22:41:50,155 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:41:50,160 INFO L934 BasicCegarLoop]: 198 mSDtfsCounter, 159 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:50,161 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 853 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:41:50,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-02-10 22:41:50,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3941. [2022-02-10 22:41:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3941 states, 3940 states have (on average 3.418781725888325) internal successors, (13470), 3940 states have internal predecessors, (13470), 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) [2022-02-10 22:41:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 13470 transitions. [2022-02-10 22:41:50,294 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 13470 transitions. Word has length 189 [2022-02-10 22:41:50,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:50,294 INFO L470 AbstractCegarLoop]: Abstraction has 3941 states and 13470 transitions. [2022-02-10 22:41:50,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 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) [2022-02-10 22:41:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 13470 transitions. [2022-02-10 22:41:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-10 22:41:50,305 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:50,305 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:50,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:41:50,306 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:50,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:50,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1926403901, now seen corresponding path program 1 times [2022-02-10 22:41:50,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:50,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659475838] [2022-02-10 22:41:50,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:50,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:41:50,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:50,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659475838] [2022-02-10 22:41:50,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659475838] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:50,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:50,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:41:50,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601522940] [2022-02-10 22:41:50,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:50,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:41:50,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:50,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:41:50,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:41:50,500 INFO L87 Difference]: Start difference. First operand 3941 states and 13470 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:50,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:50,572 INFO L93 Difference]: Finished difference Result 7236 states and 24856 transitions. [2022-02-10 22:41:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:41:50,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2022-02-10 22:41:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:50,609 INFO L225 Difference]: With dead ends: 7236 [2022-02-10 22:41:50,610 INFO L226 Difference]: Without dead ends: 6596 [2022-02-10 22:41:50,610 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:41:50,614 INFO L934 BasicCegarLoop]: 206 mSDtfsCounter, 51 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:50,615 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 321 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:41:50,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6596 states. [2022-02-10 22:41:50,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6596 to 5199. [2022-02-10 22:41:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5199 states, 5198 states have (on average 3.4280492497114277) internal successors, (17819), 5198 states have internal predecessors, (17819), 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) [2022-02-10 22:41:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5199 states to 5199 states and 17819 transitions. [2022-02-10 22:41:50,769 INFO L78 Accepts]: Start accepts. Automaton has 5199 states and 17819 transitions. Word has length 196 [2022-02-10 22:41:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:50,769 INFO L470 AbstractCegarLoop]: Abstraction has 5199 states and 17819 transitions. [2022-02-10 22:41:50,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 5199 states and 17819 transitions. [2022-02-10 22:41:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-10 22:41:50,783 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:50,783 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:50,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:41:50,784 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:50,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:50,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1868732583, now seen corresponding path program 1 times [2022-02-10 22:41:50,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:50,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971119125] [2022-02-10 22:41:50,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:50,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:41:50,961 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:50,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971119125] [2022-02-10 22:41:50,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971119125] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:50,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:50,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 22:41:50,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235127470] [2022-02-10 22:41:50,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:50,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 22:41:50,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:50,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 22:41:50,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:41:50,963 INFO L87 Difference]: Start difference. First operand 5199 states and 17819 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:51,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:51,030 INFO L93 Difference]: Finished difference Result 5320 states and 18001 transitions. [2022-02-10 22:41:51,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 22:41:51,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2022-02-10 22:41:51,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:51,047 INFO L225 Difference]: With dead ends: 5320 [2022-02-10 22:41:51,048 INFO L226 Difference]: Without dead ends: 4939 [2022-02-10 22:41:51,048 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:41:51,048 INFO L934 BasicCegarLoop]: 206 mSDtfsCounter, 179 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:51,049 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 423 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:41:51,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2022-02-10 22:41:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4747. [2022-02-10 22:41:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4747 states, 4746 states have (on average 3.424778761061947) internal successors, (16254), 4746 states have internal predecessors, (16254), 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) [2022-02-10 22:41:51,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4747 states to 4747 states and 16254 transitions. [2022-02-10 22:41:51,184 INFO L78 Accepts]: Start accepts. Automaton has 4747 states and 16254 transitions. Word has length 196 [2022-02-10 22:41:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:51,184 INFO L470 AbstractCegarLoop]: Abstraction has 4747 states and 16254 transitions. [2022-02-10 22:41:51,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4747 states and 16254 transitions. [2022-02-10 22:41:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-02-10 22:41:51,200 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:51,200 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:51,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 22:41:51,200 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:51,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:51,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2024381584, now seen corresponding path program 1 times [2022-02-10 22:41:51,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:51,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998438264] [2022-02-10 22:41:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:51,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:41:51,272 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:51,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998438264] [2022-02-10 22:41:51,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998438264] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:51,272 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:51,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:41:51,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765768507] [2022-02-10 22:41:51,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:51,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:41:51,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:51,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:41:51,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:41:51,274 INFO L87 Difference]: Start difference. First operand 4747 states and 16254 transitions. Second operand has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2022-02-10 22:41:51,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:51,416 INFO L93 Difference]: Finished difference Result 6516 states and 21823 transitions. [2022-02-10 22:41:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:41:51,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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 198 [2022-02-10 22:41:51,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:51,433 INFO L225 Difference]: With dead ends: 6516 [2022-02-10 22:41:51,433 INFO L226 Difference]: Without dead ends: 4753 [2022-02-10 22:41:51,433 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:41:51,434 INFO L934 BasicCegarLoop]: 198 mSDtfsCounter, 190 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:51,434 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 805 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:41:51,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4753 states. [2022-02-10 22:41:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4753 to 4748. [2022-02-10 22:41:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4748 states, 4747 states have (on average 3.4242679587107645) internal successors, (16255), 4747 states have internal predecessors, (16255), 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) [2022-02-10 22:41:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4748 states to 4748 states and 16255 transitions. [2022-02-10 22:41:51,585 INFO L78 Accepts]: Start accepts. Automaton has 4748 states and 16255 transitions. Word has length 198 [2022-02-10 22:41:51,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:51,585 INFO L470 AbstractCegarLoop]: Abstraction has 4748 states and 16255 transitions. [2022-02-10 22:41:51,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2022-02-10 22:41:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4748 states and 16255 transitions. [2022-02-10 22:41:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-10 22:41:51,598 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:51,598 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:51,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 22:41:51,599 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:51,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:51,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1540394746, now seen corresponding path program 1 times [2022-02-10 22:41:51,599 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:51,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017556626] [2022-02-10 22:41:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:41:51,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:51,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017556626] [2022-02-10 22:41:51,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017556626] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:51,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:51,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:41:51,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181113547] [2022-02-10 22:41:51,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:51,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:41:51,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:51,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:41:51,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:41:51,675 INFO L87 Difference]: Start difference. First operand 4748 states and 16255 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 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) [2022-02-10 22:41:51,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:51,782 INFO L93 Difference]: Finished difference Result 5857 states and 19653 transitions. [2022-02-10 22:41:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:41:51,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 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 205 [2022-02-10 22:41:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:51,798 INFO L225 Difference]: With dead ends: 5857 [2022-02-10 22:41:51,798 INFO L226 Difference]: Without dead ends: 4754 [2022-02-10 22:41:51,799 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:41:51,800 INFO L934 BasicCegarLoop]: 198 mSDtfsCounter, 446 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:51,800 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 586 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:41:51,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4754 states. [2022-02-10 22:41:51,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4754 to 4749. [2022-02-10 22:41:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4749 states, 4748 states have (on average 3.4237573715248524) internal successors, (16256), 4748 states have internal predecessors, (16256), 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) [2022-02-10 22:41:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 16256 transitions. [2022-02-10 22:41:51,912 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 16256 transitions. Word has length 205 [2022-02-10 22:41:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:51,912 INFO L470 AbstractCegarLoop]: Abstraction has 4749 states and 16256 transitions. [2022-02-10 22:41:51,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 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) [2022-02-10 22:41:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 16256 transitions. [2022-02-10 22:41:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-02-10 22:41:51,927 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:51,927 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:51,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 22:41:51,928 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:51,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:51,931 INFO L85 PathProgramCache]: Analyzing trace with hash 604744423, now seen corresponding path program 1 times [2022-02-10 22:41:51,931 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:51,931 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715225476] [2022-02-10 22:41:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:41:52,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:52,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715225476] [2022-02-10 22:41:52,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715225476] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:52,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:52,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:41:52,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597371215] [2022-02-10 22:41:52,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:52,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:41:52,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:52,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:41:52,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:41:52,097 INFO L87 Difference]: Start difference. First operand 4749 states and 16256 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2022-02-10 22:41:52,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:52,131 INFO L93 Difference]: Finished difference Result 3857 states and 13141 transitions. [2022-02-10 22:41:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:41:52,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 212 [2022-02-10 22:41:52,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:52,142 INFO L225 Difference]: With dead ends: 3857 [2022-02-10 22:41:52,142 INFO L226 Difference]: Without dead ends: 3521 [2022-02-10 22:41:52,142 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:41:52,142 INFO L934 BasicCegarLoop]: 205 mSDtfsCounter, 26 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:52,143 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 255 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:41:52,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2022-02-10 22:41:52,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3521. [2022-02-10 22:41:52,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3521 states, 3520 states have (on average 3.4207386363636365) internal successors, (12041), 3520 states have internal predecessors, (12041), 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) [2022-02-10 22:41:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 12041 transitions. [2022-02-10 22:41:52,244 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 12041 transitions. Word has length 212 [2022-02-10 22:41:52,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:52,245 INFO L470 AbstractCegarLoop]: Abstraction has 3521 states and 12041 transitions. [2022-02-10 22:41:52,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2022-02-10 22:41:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 12041 transitions. [2022-02-10 22:41:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-02-10 22:41:52,253 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:52,253 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:52,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:41:52,253 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:52,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:52,253 INFO L85 PathProgramCache]: Analyzing trace with hash 586001389, now seen corresponding path program 1 times [2022-02-10 22:41:52,254 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:52,254 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914057521] [2022-02-10 22:41:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:52,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:41:52,391 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:52,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914057521] [2022-02-10 22:41:52,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914057521] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:41:52,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654569454] [2022-02-10 22:41:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:52,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:41:52,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:41:52,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:41:52,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 22:41:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:52,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-10 22:41:52,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:41:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:41:52,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:41:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:41:53,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654569454] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:41:53,330 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:41:53,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 24 [2022-02-10 22:41:53,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107130683] [2022-02-10 22:41:53,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:41:53,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-10 22:41:53,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:53,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-10 22:41:53,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2022-02-10 22:41:53,332 INFO L87 Difference]: Start difference. First operand 3521 states and 12041 transitions. Second operand has 24 states, 24 states have (on average 16.625) internal successors, (399), 24 states have internal predecessors, (399), 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) [2022-02-10 22:41:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:54,334 INFO L93 Difference]: Finished difference Result 12221 states and 40091 transitions. [2022-02-10 22:41:54,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-10 22:41:54,334 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 16.625) internal successors, (399), 24 states have internal predecessors, (399), 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 216 [2022-02-10 22:41:54,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:54,364 INFO L225 Difference]: With dead ends: 12221 [2022-02-10 22:41:54,364 INFO L226 Difference]: Without dead ends: 9180 [2022-02-10 22:41:54,365 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1357 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=890, Invalid=4080, Unknown=0, NotChecked=0, Total=4970 [2022-02-10 22:41:54,367 INFO L934 BasicCegarLoop]: 219 mSDtfsCounter, 2853 mSDsluCounter, 2821 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2853 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:54,367 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [2853 Valid, 2869 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 22:41:54,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9180 states. [2022-02-10 22:41:54,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9180 to 6539. [2022-02-10 22:41:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6539 states, 6538 states have (on average 3.4755276843071274) internal successors, (22723), 6538 states have internal predecessors, (22723), 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) [2022-02-10 22:41:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6539 states to 6539 states and 22723 transitions. [2022-02-10 22:41:54,532 INFO L78 Accepts]: Start accepts. Automaton has 6539 states and 22723 transitions. Word has length 216 [2022-02-10 22:41:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:54,532 INFO L470 AbstractCegarLoop]: Abstraction has 6539 states and 22723 transitions. [2022-02-10 22:41:54,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 16.625) internal successors, (399), 24 states have internal predecessors, (399), 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) [2022-02-10 22:41:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6539 states and 22723 transitions. [2022-02-10 22:41:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-02-10 22:41:54,548 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:54,548 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:54,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-10 22:41:54,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:41:54,764 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:54,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:54,764 INFO L85 PathProgramCache]: Analyzing trace with hash 223585279, now seen corresponding path program 1 times [2022-02-10 22:41:54,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:54,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326497424] [2022-02-10 22:41:54,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:54,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-10 22:41:54,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:54,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326497424] [2022-02-10 22:41:54,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326497424] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:41:54,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780666634] [2022-02-10 22:41:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:54,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:41:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:41:54,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:41:54,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 22:41:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:55,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-10 22:41:55,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:41:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-10 22:41:55,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:41:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-10 22:41:55,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780666634] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:41:55,949 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:41:55,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-10 22:41:55,949 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137216339] [2022-02-10 22:41:55,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:41:55,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 22:41:55,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:55,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 22:41:55,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-02-10 22:41:55,951 INFO L87 Difference]: Start difference. First operand 6539 states and 22723 transitions. Second operand has 19 states, 19 states have (on average 14.368421052631579) internal successors, (273), 19 states have internal predecessors, (273), 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) [2022-02-10 22:41:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:56,269 INFO L93 Difference]: Finished difference Result 3888 states and 12796 transitions. [2022-02-10 22:41:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 22:41:56,270 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 14.368421052631579) internal successors, (273), 19 states have internal predecessors, (273), 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 227 [2022-02-10 22:41:56,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:56,280 INFO L225 Difference]: With dead ends: 3888 [2022-02-10 22:41:56,281 INFO L226 Difference]: Without dead ends: 3540 [2022-02-10 22:41:56,281 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2022-02-10 22:41:56,281 INFO L934 BasicCegarLoop]: 200 mSDtfsCounter, 692 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:56,282 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [692 Valid, 2181 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:41:56,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2022-02-10 22:41:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3535. [2022-02-10 22:41:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3535 states, 3534 states have (on average 3.4111488398415393) internal successors, (12055), 3534 states have internal predecessors, (12055), 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) [2022-02-10 22:41:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3535 states and 12055 transitions. [2022-02-10 22:41:56,355 INFO L78 Accepts]: Start accepts. Automaton has 3535 states and 12055 transitions. Word has length 227 [2022-02-10 22:41:56,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:56,356 INFO L470 AbstractCegarLoop]: Abstraction has 3535 states and 12055 transitions. [2022-02-10 22:41:56,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.368421052631579) internal successors, (273), 19 states have internal predecessors, (273), 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) [2022-02-10 22:41:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 12055 transitions. [2022-02-10 22:41:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-02-10 22:41:56,365 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:56,365 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:56,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 22:41:56,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-10 22:41:56,597 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:56,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:56,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1288390497, now seen corresponding path program 2 times [2022-02-10 22:41:56,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:56,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009781635] [2022-02-10 22:41:56,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:56,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-02-10 22:41:56,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:56,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009781635] [2022-02-10 22:41:56,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009781635] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:56,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:56,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 22:41:56,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200683362] [2022-02-10 22:41:56,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:56,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 22:41:56,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 22:41:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:41:56,713 INFO L87 Difference]: Start difference. First operand 3535 states and 12055 transitions. Second operand has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 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) [2022-02-10 22:41:56,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:56,794 INFO L93 Difference]: Finished difference Result 9233 states and 32329 transitions. [2022-02-10 22:41:56,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 22:41:56,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 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 230 [2022-02-10 22:41:56,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:56,822 INFO L225 Difference]: With dead ends: 9233 [2022-02-10 22:41:56,822 INFO L226 Difference]: Without dead ends: 8553 [2022-02-10 22:41:56,822 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:41:56,823 INFO L934 BasicCegarLoop]: 206 mSDtfsCounter, 213 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:56,823 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 340 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:41:56,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8553 states. [2022-02-10 22:41:56,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8553 to 5927. [2022-02-10 22:41:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 5926 states have (on average 3.5691866351670605) internal successors, (21151), 5926 states have internal predecessors, (21151), 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) [2022-02-10 22:41:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 21151 transitions. [2022-02-10 22:41:56,971 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 21151 transitions. Word has length 230 [2022-02-10 22:41:56,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:56,972 INFO L470 AbstractCegarLoop]: Abstraction has 5927 states and 21151 transitions. [2022-02-10 22:41:56,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 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) [2022-02-10 22:41:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 21151 transitions. [2022-02-10 22:41:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-02-10 22:41:56,986 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:56,987 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:56,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 22:41:56,987 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:41:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:56,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1534296153, now seen corresponding path program 2 times [2022-02-10 22:41:56,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:56,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329381395] [2022-02-10 22:41:56,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:56,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:01,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:01,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329381395] [2022-02-10 22:42:01,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329381395] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:42:01,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122143188] [2022-02-10 22:42:01,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 22:42:01,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:42:01,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:42:01,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:42:01,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 22:42:01,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 22:42:01,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:42:01,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 109 conjunts are in the unsatisfiable core [2022-02-10 22:42:01,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:42:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:08,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:42:11,098 INFO L353 Elim1Store]: treesize reduction 93, result has 82.0 percent of original size [2022-02-10 22:42:11,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 125 treesize of output 450 [2022-02-10 22:42:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:31,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122143188] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:42:31,918 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:42:31,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 42, 37] total 122 [2022-02-10 22:42:31,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418427058] [2022-02-10 22:42:31,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:42:31,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2022-02-10 22:42:31,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2022-02-10 22:42:31,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2024, Invalid=12738, Unknown=0, NotChecked=0, Total=14762 [2022-02-10 22:42:31,924 INFO L87 Difference]: Start difference. First operand 5927 states and 21151 transitions. Second operand has 122 states, 122 states have (on average 5.10655737704918) internal successors, (623), 122 states have internal predecessors, (623), 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) [2022-02-10 22:42:48,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:48,264 INFO L93 Difference]: Finished difference Result 11701 states and 40119 transitions. [2022-02-10 22:42:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-02-10 22:42:48,264 INFO L78 Accepts]: Start accepts. Automaton has has 122 states, 122 states have (on average 5.10655737704918) internal successors, (623), 122 states have internal predecessors, (623), 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 234 [2022-02-10 22:42:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:48,297 INFO L225 Difference]: With dead ends: 11701 [2022-02-10 22:42:48,297 INFO L226 Difference]: Without dead ends: 10929 [2022-02-10 22:42:48,305 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 400 SyntacticMatches, 15 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20361 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=7736, Invalid=46786, Unknown=0, NotChecked=0, Total=54522 [2022-02-10 22:42:48,306 INFO L934 BasicCegarLoop]: 205 mSDtfsCounter, 5569 mSDsluCounter, 11255 mSDsCounter, 0 mSdLazyCounter, 3054 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5569 SdHoareTripleChecker+Valid, 10989 SdHoareTripleChecker+Invalid, 4607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 3054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1188 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:48,306 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [5569 Valid, 10989 Invalid, 4607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 3054 Invalid, 0 Unknown, 1188 Unchecked, 1.7s Time] [2022-02-10 22:42:48,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10929 states. [2022-02-10 22:42:48,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10929 to 7008. [2022-02-10 22:42:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7008 states, 7007 states have (on average 3.447837876409305) internal successors, (24159), 7007 states have internal predecessors, (24159), 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) [2022-02-10 22:42:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7008 states to 7008 states and 24159 transitions. [2022-02-10 22:42:48,455 INFO L78 Accepts]: Start accepts. Automaton has 7008 states and 24159 transitions. Word has length 234 [2022-02-10 22:42:48,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:48,455 INFO L470 AbstractCegarLoop]: Abstraction has 7008 states and 24159 transitions. [2022-02-10 22:42:48,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 5.10655737704918) internal successors, (623), 122 states have internal predecessors, (623), 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) [2022-02-10 22:42:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 7008 states and 24159 transitions. [2022-02-10 22:42:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-02-10 22:42:48,474 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:48,474 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:48,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-10 22:42:48,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:42:48,692 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:42:48,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:48,692 INFO L85 PathProgramCache]: Analyzing trace with hash -21687265, now seen corresponding path program 3 times [2022-02-10 22:42:48,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:48,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600784145] [2022-02-10 22:42:48,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:48,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:53,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:53,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600784145] [2022-02-10 22:42:53,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600784145] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:42:53,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113296450] [2022-02-10 22:42:53,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 22:42:53,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:42:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:42:53,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:42:53,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-10 22:42:53,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-10 22:42:53,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:42:53,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 71 conjunts are in the unsatisfiable core [2022-02-10 22:42:53,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:42:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-10 22:42:56,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:43:13,598 INFO L353 Elim1Store]: treesize reduction 97, result has 81.5 percent of original size [2022-02-10 22:43:13,598 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 128 treesize of output 453 [2022-02-10 22:44:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-10 22:44:09,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113296450] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:44:09,797 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:44:09,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 26, 21] total 90 [2022-02-10 22:44:09,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922026439] [2022-02-10 22:44:09,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:44:09,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-02-10 22:44:09,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:44:09,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-02-10 22:44:09,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=7320, Unknown=9, NotChecked=0, Total=8010 [2022-02-10 22:44:09,799 INFO L87 Difference]: Start difference. First operand 7008 states and 24159 transitions. Second operand has 90 states, 90 states have (on average 6.611111111111111) internal successors, (595), 90 states have internal predecessors, (595), 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) [2022-02-10 22:44:44,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:44:44,125 INFO L93 Difference]: Finished difference Result 14021 states and 47403 transitions. [2022-02-10 22:44:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-10 22:44:44,125 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 90 states have (on average 6.611111111111111) internal successors, (595), 90 states have internal predecessors, (595), 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 234 [2022-02-10 22:44:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:44:44,166 INFO L225 Difference]: With dead ends: 14021 [2022-02-10 22:44:44,166 INFO L226 Difference]: Without dead ends: 13823 [2022-02-10 22:44:44,169 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 440 SyntacticMatches, 8 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15179 ImplicationChecksByTransitivity, 51.4s TimeCoverageRelationStatistics Valid=4158, Invalid=41407, Unknown=17, NotChecked=0, Total=45582 [2022-02-10 22:44:44,170 INFO L934 BasicCegarLoop]: 200 mSDtfsCounter, 4026 mSDsluCounter, 9292 mSDsCounter, 0 mSdLazyCounter, 3214 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4026 SdHoareTripleChecker+Valid, 9126 SdHoareTripleChecker+Invalid, 4875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 3214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1448 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-02-10 22:44:44,170 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [4026 Valid, 9126 Invalid, 4875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 3214 Invalid, 0 Unknown, 1448 Unchecked, 1.8s Time] [2022-02-10 22:44:44,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2022-02-10 22:44:44,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 7643. [2022-02-10 22:44:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7643 states, 7642 states have (on average 3.392174823344674) internal successors, (25923), 7642 states have internal predecessors, (25923), 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) [2022-02-10 22:44:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7643 states to 7643 states and 25923 transitions. [2022-02-10 22:44:44,374 INFO L78 Accepts]: Start accepts. Automaton has 7643 states and 25923 transitions. Word has length 234 [2022-02-10 22:44:44,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:44:44,374 INFO L470 AbstractCegarLoop]: Abstraction has 7643 states and 25923 transitions. [2022-02-10 22:44:44,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.611111111111111) internal successors, (595), 90 states have internal predecessors, (595), 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) [2022-02-10 22:44:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 7643 states and 25923 transitions. [2022-02-10 22:44:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-02-10 22:44:44,389 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:44:44,389 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:44:44,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-10 22:44:44,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:44:44,607 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:44:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:44:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash 979050211, now seen corresponding path program 4 times [2022-02-10 22:44:44,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:44:44,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246242299] [2022-02-10 22:44:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:44:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:44:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:44:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:44:48,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:44:48,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246242299] [2022-02-10 22:44:48,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246242299] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:44:48,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514594049] [2022-02-10 22:44:48,494 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-10 22:44:48,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:44:48,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:44:48,495 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:44:48,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-10 22:44:48,714 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-10 22:44:48,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:44:48,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 112 conjunts are in the unsatisfiable core [2022-02-10 22:44:48,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:44:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:44:55,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:44:58,361 INFO L353 Elim1Store]: treesize reduction 93, result has 82.0 percent of original size [2022-02-10 22:44:58,362 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 125 treesize of output 450 [2022-02-10 22:45:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:45:11,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514594049] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:45:11,186 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:45:11,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 47, 37] total 125 [2022-02-10 22:45:11,187 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532475845] [2022-02-10 22:45:11,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:45:11,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-02-10 22:45:11,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:45:11,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-02-10 22:45:11,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=13193, Unknown=0, NotChecked=0, Total=15500 [2022-02-10 22:45:11,189 INFO L87 Difference]: Start difference. First operand 7643 states and 25923 transitions. Second operand has 125 states, 125 states have (on average 4.856) internal successors, (607), 125 states have internal predecessors, (607), 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) [2022-02-10 22:45:24,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:45:24,245 INFO L93 Difference]: Finished difference Result 12477 states and 42262 transitions. [2022-02-10 22:45:24,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-10 22:45:24,245 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 125 states have (on average 4.856) internal successors, (607), 125 states have internal predecessors, (607), 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 234 [2022-02-10 22:45:24,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:45:24,319 INFO L225 Difference]: With dead ends: 12477 [2022-02-10 22:45:24,330 INFO L226 Difference]: Without dead ends: 12409 [2022-02-10 22:45:24,333 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 394 SyntacticMatches, 10 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22067 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=8448, Invalid=48434, Unknown=0, NotChecked=0, Total=56882 [2022-02-10 22:45:24,333 INFO L934 BasicCegarLoop]: 214 mSDtfsCounter, 6491 mSDsluCounter, 11315 mSDsCounter, 0 mSdLazyCounter, 3114 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6491 SdHoareTripleChecker+Valid, 11149 SdHoareTripleChecker+Invalid, 4769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 3114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1281 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-02-10 22:45:24,334 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [6491 Valid, 11149 Invalid, 4769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 3114 Invalid, 0 Unknown, 1281 Unchecked, 1.7s Time] [2022-02-10 22:45:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12409 states. [2022-02-10 22:45:24,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12409 to 7770. [2022-02-10 22:45:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7770 states, 7769 states have (on average 3.377783498519758) internal successors, (26242), 7769 states have internal predecessors, (26242), 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) [2022-02-10 22:45:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7770 states to 7770 states and 26242 transitions. [2022-02-10 22:45:24,555 INFO L78 Accepts]: Start accepts. Automaton has 7770 states and 26242 transitions. Word has length 234 [2022-02-10 22:45:24,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:45:24,555 INFO L470 AbstractCegarLoop]: Abstraction has 7770 states and 26242 transitions. [2022-02-10 22:45:24,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 4.856) internal successors, (607), 125 states have internal predecessors, (607), 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) [2022-02-10 22:45:24,556 INFO L276 IsEmpty]: Start isEmpty. Operand 7770 states and 26242 transitions. [2022-02-10 22:45:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-02-10 22:45:24,570 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:45:24,570 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:45:24,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-10 22:45:24,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-10 22:45:24,788 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:45:24,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:45:24,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1290067981, now seen corresponding path program 5 times [2022-02-10 22:45:24,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:45:24,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186451465] [2022-02-10 22:45:24,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:45:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:45:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:45:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:45:29,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:45:29,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186451465] [2022-02-10 22:45:29,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186451465] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:45:29,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607171153] [2022-02-10 22:45:29,434 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-10 22:45:29,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:45:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:45:29,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:45:29,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-10 22:45:29,580 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-10 22:45:29,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:45:29,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 83 conjunts are in the unsatisfiable core [2022-02-10 22:45:29,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:45:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-10 22:45:33,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:45:48,729 INFO L353 Elim1Store]: treesize reduction 97, result has 81.5 percent of original size [2022-02-10 22:45:48,730 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 128 treesize of output 453 [2022-02-10 22:45:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-10 22:45:51,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607171153] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:45:51,395 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:45:51,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 28, 21] total 92 [2022-02-10 22:45:51,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762786063] [2022-02-10 22:45:51,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:45:51,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-02-10 22:45:51,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:45:51,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-02-10 22:45:51,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=721, Invalid=7642, Unknown=9, NotChecked=0, Total=8372 [2022-02-10 22:45:51,397 INFO L87 Difference]: Start difference. First operand 7770 states and 26242 transitions. Second operand has 92 states, 92 states have (on average 6.467391304347826) internal successors, (595), 92 states have internal predecessors, (595), 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) [2022-02-10 22:46:12,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:46:12,607 INFO L93 Difference]: Finished difference Result 14416 states and 48618 transitions. [2022-02-10 22:46:12,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-10 22:46:12,608 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 6.467391304347826) internal successors, (595), 92 states have internal predecessors, (595), 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 234 [2022-02-10 22:46:12,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:46:12,648 INFO L225 Difference]: With dead ends: 14416 [2022-02-10 22:46:12,648 INFO L226 Difference]: Without dead ends: 14362 [2022-02-10 22:46:12,651 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 434 SyntacticMatches, 8 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18089 ImplicationChecksByTransitivity, 37.1s TimeCoverageRelationStatistics Valid=4990, Invalid=48127, Unknown=13, NotChecked=0, Total=53130 [2022-02-10 22:46:12,652 INFO L934 BasicCegarLoop]: 204 mSDtfsCounter, 4113 mSDsluCounter, 8849 mSDsCounter, 0 mSdLazyCounter, 2927 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4113 SdHoareTripleChecker+Valid, 8750 SdHoareTripleChecker+Invalid, 4637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 2927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1507 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-02-10 22:46:12,652 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [4113 Valid, 8750 Invalid, 4637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 2927 Invalid, 0 Unknown, 1507 Unchecked, 1.5s Time] [2022-02-10 22:46:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14362 states. [2022-02-10 22:46:12,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14362 to 7916. [2022-02-10 22:46:12,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7916 states, 7915 states have (on average 3.367277321541377) internal successors, (26652), 7915 states have internal predecessors, (26652), 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) [2022-02-10 22:46:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7916 states to 7916 states and 26652 transitions. [2022-02-10 22:46:12,946 INFO L78 Accepts]: Start accepts. Automaton has 7916 states and 26652 transitions. Word has length 234 [2022-02-10 22:46:12,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:46:12,947 INFO L470 AbstractCegarLoop]: Abstraction has 7916 states and 26652 transitions. [2022-02-10 22:46:12,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 6.467391304347826) internal successors, (595), 92 states have internal predecessors, (595), 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) [2022-02-10 22:46:12,948 INFO L276 IsEmpty]: Start isEmpty. Operand 7916 states and 26652 transitions. [2022-02-10 22:46:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-02-10 22:46:12,963 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:46:12,963 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:46:12,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-10 22:46:13,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-10 22:46:13,165 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 22:46:13,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:46:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash 293848173, now seen corresponding path program 6 times [2022-02-10 22:46:13,165 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:46:13,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327450517] [2022-02-10 22:46:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:46:13,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:46:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:46:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:46:19,116 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:46:19,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327450517] [2022-02-10 22:46:19,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327450517] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:46:19,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735213641] [2022-02-10 22:46:19,116 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-10 22:46:19,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:46:19,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:46:19,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:46:19,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-10 22:46:19,288 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-10 22:46:19,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:46:19,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-10 22:46:19,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:46:23,711 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-10 22:46:24,540 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 22:46:24,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 22:46:24,983 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-10 22:46:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:46:29,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:47:22,870 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:47:22,871 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 377 treesize of output 245 [2022-02-10 22:47:23,319 INFO L353 Elim1Store]: treesize reduction 55, result has 89.3 percent of original size [2022-02-10 22:47:23,320 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 27404 treesize of output 25750 [2022-02-10 22:47:23,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-10 22:47:23,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-10 22:47:23,765 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:47:23,766 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 25290 treesize of output 24126 [2022-02-10 22:47:23,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-10 22:47:24,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-10 22:47:24,259 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:47:24,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 23704 treesize of output 20954 [2022-02-10 22:47:24,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-10 22:47:24,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-10 22:47:24,894 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-10 22:47:24,895 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 20532 treesize of output 14610 [2022-02-10 22:47:25,212 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-10 22:47:25,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-10 22:47:25,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:47:25,416 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:611) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:308) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-10 22:47:25,423 INFO L158 Benchmark]: Toolchain (without parser) took 338314.16ms. Allocated memory was 203.4MB in the beginning and 911.2MB in the end (delta: 707.8MB). Free memory was 151.2MB in the beginning and 177.5MB in the end (delta: -26.3MB). Peak memory consumption was 690.3MB. Max. memory is 8.0GB. [2022-02-10 22:47:25,423 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory was 167.5MB in the beginning and 167.4MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:47:25,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.17ms. Allocated memory is still 203.4MB. Free memory was 151.1MB in the beginning and 174.8MB in the end (delta: -23.7MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-10 22:47:25,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.33ms. Allocated memory is still 203.4MB. Free memory was 174.8MB in the beginning and 172.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 22:47:25,424 INFO L158 Benchmark]: Boogie Preprocessor took 28.47ms. Allocated memory is still 203.4MB. Free memory was 172.1MB in the beginning and 170.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:47:25,426 INFO L158 Benchmark]: RCFGBuilder took 667.37ms. Allocated memory is still 203.4MB. Free memory was 170.0MB in the beginning and 128.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-02-10 22:47:25,426 INFO L158 Benchmark]: TraceAbstraction took 337316.05ms. Allocated memory was 203.4MB in the beginning and 911.2MB in the end (delta: 707.8MB). Free memory was 127.6MB in the beginning and 177.5MB in the end (delta: -50.0MB). Peak memory consumption was 666.8MB. Max. memory is 8.0GB. [2022-02-10 22:47:25,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory was 167.5MB in the beginning and 167.4MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.17ms. Allocated memory is still 203.4MB. Free memory was 151.1MB in the beginning and 174.8MB in the end (delta: -23.7MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.33ms. Allocated memory is still 203.4MB. Free memory was 174.8MB in the beginning and 172.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.47ms. Allocated memory is still 203.4MB. Free memory was 172.1MB in the beginning and 170.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 667.37ms. Allocated memory is still 203.4MB. Free memory was 170.0MB in the beginning and 128.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 337316.05ms. Allocated memory was 203.4MB in the beginning and 911.2MB in the end (delta: 707.8MB). Free memory was 127.6MB in the beginning and 177.5MB in the end (delta: -50.0MB). Peak memory consumption was 666.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-10 22:47:25,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...