/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkFork.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:01:00,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:01:00,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:01:00,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:01:00,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:01:00,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:01:00,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:01:00,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:01:00,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:01:00,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:01:00,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:01:00,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:01:00,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:01:00,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:01:00,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:01:00,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:01:00,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:01:00,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:01:00,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:01:00,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:01:00,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:01:00,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:01:00,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:01:00,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:01:00,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 14:01:00,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:01:00,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:01:00,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:01:00,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:01:00,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:01:00,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:01:00,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:01:00,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:01:00,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:01:00,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:01:00,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:01:00,320 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-SemanticLbe.epf [2021-03-11 14:01:00,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:01:00,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:01:00,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:01:00,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:01:00,356 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:01:00,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:01:00,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:01:00,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:01:00,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:01:00,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:01:00,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:01:00,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:01:00,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:01:00,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:01:00,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:01:00,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:01:00,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:01:00,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:01:00,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:01:00,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:01:00,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:01:00,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:01:00,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:01:00,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:01:00,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:01:00,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:01:00,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:01:00,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:01:00,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:01:00,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:01:00,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:01:00,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:01:00,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 14:01:00,695 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 14:01:00,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkFork.c [2021-03-11 14:01:00,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03308e85a/059c745326b6444ea14b1e520ef095fb/FLAGad94ef22b [2021-03-11 14:01:01,147 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 14:01:01,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkFork.c [2021-03-11 14:01:01,147 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 14:01:01,147 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 14:01:01,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03308e85a/059c745326b6444ea14b1e520ef095fb/FLAGad94ef22b [2021-03-11 14:01:01,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03308e85a/059c745326b6444ea14b1e520ef095fb [2021-03-11 14:01:01,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:01:01,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 14:01:01,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 14:01:01,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 14:01:01,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 14:01:01,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e296b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01, skipping insertion in model container [2021-03-11 14:01:01,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 14:01:01,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 14:01:01,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 14:01:01,686 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 14:01:01,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 14:01:01,725 INFO L208 MainTranslator]: Completed translation [2021-03-11 14:01:01,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01 WrapperNode [2021-03-11 14:01:01,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 14:01:01,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:01:01,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:01:01,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:01:01,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:01:01,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:01:01,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:01:01,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:01:01,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... [2021-03-11 14:01:01,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:01:01,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:01:01,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:01:01,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:01:01,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:01:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-03-11 14:01:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 14:01:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-03-11 14:01:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-03-11 14:01:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-11 14:01:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-11 14:01:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:01:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:01:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 14:01:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 14:01:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 14:01:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 14:01:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 14:01:01,868 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 14:01:02,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:01:02,219 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 14:01:02,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:01:02 BoogieIcfgContainer [2021-03-11 14:01:02,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:01:02,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:01:02,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:01:02,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:01:02,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:01:01" (1/3) ... [2021-03-11 14:01:02,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2990adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:01:02, skipping insertion in model container [2021-03-11 14:01:02,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:01:01" (2/3) ... [2021-03-11 14:01:02,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2990adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:01:02, skipping insertion in model container [2021-03-11 14:01:02,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:01:02" (3/3) ... [2021-03-11 14:01:02,227 INFO L111 eAbstractionObserver]: Analyzing ICFG forkFork.c [2021-03-11 14:01:02,231 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 14:01:02,231 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:01:02,234 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 14:01:02,235 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 14:01:02,261 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,262 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,262 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,262 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,262 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,262 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,262 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,262 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,263 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,263 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,263 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,263 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,263 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,263 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,264 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,264 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,264 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,264 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,264 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,264 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,265 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,265 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,265 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,265 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,265 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,265 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,265 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,266 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,266 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,266 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,267 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,267 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,267 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,267 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,267 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,267 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,267 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,268 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,268 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,268 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,268 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,268 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,268 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,269 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,269 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,269 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,269 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,269 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,269 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,270 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,270 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,270 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,270 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,270 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,271 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,271 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,271 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,272 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,272 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,272 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,272 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,272 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,273 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,273 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,273 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,273 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,273 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,274 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,274 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,274 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,275 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,275 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,275 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,275 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,277 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,277 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,277 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,278 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,278 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,278 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,278 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,278 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,278 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,279 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,279 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,279 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,279 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,279 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,280 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,280 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,280 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,280 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,280 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,280 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,283 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,283 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,283 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,283 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,283 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,284 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,284 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,284 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,284 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,284 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,284 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,285 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,285 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,285 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,285 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,285 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,287 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,287 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,287 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,287 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,288 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,288 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,288 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,288 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,288 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,297 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,298 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,298 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,298 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,298 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,298 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,298 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,298 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,299 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,299 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,299 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,299 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,299 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,299 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,300 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,300 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,310 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,310 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,310 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,310 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,310 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,311 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,311 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,311 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,311 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:01:02,342 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-11 14:01:02,355 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 14:01:02,369 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:01:02,369 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:01:02,369 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:01:02,369 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:01:02,369 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:01:02,369 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:01:02,370 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:01:02,370 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:01:02,380 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 14:01:02,389 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 83 transitions, 194 flow [2021-03-11 14:01:02,391 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 83 transitions, 194 flow [2021-03-11 14:01:02,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 194 flow [2021-03-11 14:01:02,426 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-03-11 14:01:02,426 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-11 14:01:02,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 89 events. 2/89 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 64. Up to 5 conditions per place. [2021-03-11 14:01:02,432 INFO L116 LiptonReduction]: Number of co-enabled transitions 334 [2021-03-11 14:01:05,644 INFO L131 LiptonReduction]: Checked pairs total: 1130 [2021-03-11 14:01:05,644 INFO L133 LiptonReduction]: Total number of compositions: 64 [2021-03-11 14:01:05,650 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 24 transitions, 76 flow [2021-03-11 14:01:05,657 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 49 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 49 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-03-11 14:01:05,662 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:05,662 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 14:01:05,662 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:05,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:05,666 INFO L82 PathProgramCache]: Analyzing trace with hash 258312726, now seen corresponding path program 1 times [2021-03-11 14:01:05,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:05,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059733491] [2021-03-11 14:01:05,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:05,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:05,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 14:01:05,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:05,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 14:01:05,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:05,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 14:01:05,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:05,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 14:01:05,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:05,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059733491] [2021-03-11 14:01:05,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:05,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 14:01:05,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388739257] [2021-03-11 14:01:05,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 14:01:05,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:05,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 14:01:05,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 14:01:05,889 INFO L87 Difference]: Start difference. First operand has 50 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 49 states have internal predecessors, (86), 0 states have call successors, (0), 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 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:06,033 INFO L93 Difference]: Finished difference Result 44 states and 73 transitions. [2021-03-11 14:01:06,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 14:01:06,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-03-11 14:01:06,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:06,040 INFO L225 Difference]: With dead ends: 44 [2021-03-11 14:01:06,040 INFO L226 Difference]: Without dead ends: 41 [2021-03-11 14:01:06,041 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 92.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-11 14:01:06,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-03-11 14:01:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-03-11 14:01:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 40 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 69 transitions. [2021-03-11 14:01:06,066 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 69 transitions. Word has length 5 [2021-03-11 14:01:06,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:06,066 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 69 transitions. [2021-03-11 14:01:06,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2021-03-11 14:01:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-03-11 14:01:06,067 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:06,067 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:06,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 14:01:06,067 INFO L428 AbstractCegarLoop]: === Iteration 2 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:06,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:06,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1865434876, now seen corresponding path program 1 times [2021-03-11 14:01:06,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:06,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683016368] [2021-03-11 14:01:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:06,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 14:01:06,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 14:01:06,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 14:01:06,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 14:01:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:06,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683016368] [2021-03-11 14:01:06,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:06,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 14:01:06,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817444609] [2021-03-11 14:01:06,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 14:01:06,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:06,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 14:01:06,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 14:01:06,139 INFO L87 Difference]: Start difference. First operand 41 states and 69 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:06,222 INFO L93 Difference]: Finished difference Result 52 states and 82 transitions. [2021-03-11 14:01:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 14:01:06,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-03-11 14:01:06,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:06,224 INFO L225 Difference]: With dead ends: 52 [2021-03-11 14:01:06,224 INFO L226 Difference]: Without dead ends: 52 [2021-03-11 14:01:06,224 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-11 14:01:06,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-03-11 14:01:06,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2021-03-11 14:01:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 45 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 76 transitions. [2021-03-11 14:01:06,230 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 76 transitions. Word has length 10 [2021-03-11 14:01:06,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:06,230 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 76 transitions. [2021-03-11 14:01:06,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2021-03-11 14:01:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-03-11 14:01:06,231 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:06,231 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:06,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 14:01:06,231 INFO L428 AbstractCegarLoop]: === Iteration 3 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:06,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:06,232 INFO L82 PathProgramCache]: Analyzing trace with hash -161362674, now seen corresponding path program 2 times [2021-03-11 14:01:06,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:06,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723522052] [2021-03-11 14:01:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:06,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 14:01:06,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 14:01:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 14:01:06,326 INFO L142 QuantifierPusher]: treesize reduction 20, result has 28.6 percent of original size [2021-03-11 14:01:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 14:01:06,334 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-11 14:01:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 14:01:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 14:01:06,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 14:01:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:06,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723522052] [2021-03-11 14:01:06,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:06,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 14:01:06,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148925478] [2021-03-11 14:01:06,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 14:01:06,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:06,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 14:01:06,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-11 14:01:06,353 INFO L87 Difference]: Start difference. First operand 46 states and 76 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:06,521 INFO L93 Difference]: Finished difference Result 61 states and 93 transitions. [2021-03-11 14:01:06,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 14:01:06,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-03-11 14:01:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:06,524 INFO L225 Difference]: With dead ends: 61 [2021-03-11 14:01:06,524 INFO L226 Difference]: Without dead ends: 61 [2021-03-11 14:01:06,524 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 83.4ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-03-11 14:01:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-03-11 14:01:06,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2021-03-11 14:01:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.744186046511628) internal successors, (75), 44 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 75 transitions. [2021-03-11 14:01:06,530 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 75 transitions. Word has length 10 [2021-03-11 14:01:06,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:06,530 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 75 transitions. [2021-03-11 14:01:06,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2021-03-11 14:01:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-03-11 14:01:06,530 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:06,531 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:06,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 14:01:06,531 INFO L428 AbstractCegarLoop]: === Iteration 4 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:06,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:06,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1358872056, now seen corresponding path program 3 times [2021-03-11 14:01:06,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:06,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237210300] [2021-03-11 14:01:06,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:06,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 14:01:06,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 14:01:06,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 14:01:06,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:06,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 14:01:06,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 14:01:06,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 14:01:06,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 14:01:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:06,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237210300] [2021-03-11 14:01:06,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:06,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 14:01:06,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433431643] [2021-03-11 14:01:06,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 14:01:06,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:06,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 14:01:06,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-11 14:01:06,694 INFO L87 Difference]: Start difference. First operand 45 states and 75 transitions. Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:06,863 INFO L93 Difference]: Finished difference Result 45 states and 70 transitions. [2021-03-11 14:01:06,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 14:01:06,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-03-11 14:01:06,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:06,864 INFO L225 Difference]: With dead ends: 45 [2021-03-11 14:01:06,864 INFO L226 Difference]: Without dead ends: 45 [2021-03-11 14:01:06,865 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 122.5ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-11 14:01:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-03-11 14:01:06,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2021-03-11 14:01:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 34 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 58 transitions. [2021-03-11 14:01:06,868 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 58 transitions. Word has length 10 [2021-03-11 14:01:06,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:06,868 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 58 transitions. [2021-03-11 14:01:06,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2021-03-11 14:01:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:06,869 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:06,869 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:06,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 14:01:06,869 INFO L428 AbstractCegarLoop]: === Iteration 5 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:06,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:06,870 INFO L82 PathProgramCache]: Analyzing trace with hash -802709541, now seen corresponding path program 1 times [2021-03-11 14:01:06,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:06,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716355004] [2021-03-11 14:01:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:06,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:06,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:06,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:06,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-11 14:01:06,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 14:01:06,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-11 14:01:06,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 14:01:06,998 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-11 14:01:06,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 14:01:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:07,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:07,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 14:01:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:07,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:07,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:07,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716355004] [2021-03-11 14:01:07,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:07,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 14:01:07,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645797943] [2021-03-11 14:01:07,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 14:01:07,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:07,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 14:01:07,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-03-11 14:01:07,154 INFO L87 Difference]: Start difference. First operand 35 states and 58 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:07,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:07,623 INFO L93 Difference]: Finished difference Result 55 states and 89 transitions. [2021-03-11 14:01:07,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 14:01:07,625 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:07,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:07,625 INFO L225 Difference]: With dead ends: 55 [2021-03-11 14:01:07,625 INFO L226 Difference]: Without dead ends: 33 [2021-03-11 14:01:07,626 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 390.6ms TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-03-11 14:01:07,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-03-11 14:01:07,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-03-11 14:01:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.6875) internal successors, (54), 32 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 54 transitions. [2021-03-11 14:01:07,629 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 54 transitions. Word has length 15 [2021-03-11 14:01:07,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:07,629 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 54 transitions. [2021-03-11 14:01:07,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2021-03-11 14:01:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:07,630 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:07,630 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:07,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 14:01:07,630 INFO L428 AbstractCegarLoop]: === Iteration 6 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:07,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:07,632 INFO L82 PathProgramCache]: Analyzing trace with hash -2034687543, now seen corresponding path program 2 times [2021-03-11 14:01:07,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:07,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136527314] [2021-03-11 14:01:07,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:07,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:07,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:07,699 INFO L142 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-03-11 14:01:07,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 14:01:07,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 14:01:07,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 14:01:07,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:07,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:07,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 14:01:07,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:07,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:07,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:07,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136527314] [2021-03-11 14:01:07,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:07,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 14:01:07,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474182248] [2021-03-11 14:01:07,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 14:01:07,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:07,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 14:01:07,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-03-11 14:01:07,852 INFO L87 Difference]: Start difference. First operand 33 states and 54 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:08,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:08,319 INFO L93 Difference]: Finished difference Result 53 states and 85 transitions. [2021-03-11 14:01:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 14:01:08,320 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:08,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:08,322 INFO L225 Difference]: With dead ends: 53 [2021-03-11 14:01:08,322 INFO L226 Difference]: Without dead ends: 33 [2021-03-11 14:01:08,322 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 406.1ms TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2021-03-11 14:01:08,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-03-11 14:01:08,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-03-11 14:01:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 30 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 50 transitions. [2021-03-11 14:01:08,334 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 50 transitions. Word has length 15 [2021-03-11 14:01:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:08,334 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 50 transitions. [2021-03-11 14:01:08,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-03-11 14:01:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:08,335 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:08,335 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:08,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 14:01:08,336 INFO L428 AbstractCegarLoop]: === Iteration 7 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:08,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:08,336 INFO L82 PathProgramCache]: Analyzing trace with hash 629783495, now seen corresponding path program 3 times [2021-03-11 14:01:08,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:08,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506515306] [2021-03-11 14:01:08,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:08,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:08,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:08,401 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 14:01:08,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:08,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 14:01:08,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:08,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 14:01:08,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:08,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:08,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 14:01:08,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:08,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:08,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:08,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:08,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506515306] [2021-03-11 14:01:08,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:08,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 14:01:08,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48633492] [2021-03-11 14:01:08,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 14:01:08,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:08,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 14:01:08,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-03-11 14:01:08,557 INFO L87 Difference]: Start difference. First operand 31 states and 50 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:09,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:09,015 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2021-03-11 14:01:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 14:01:09,016 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:09,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:09,016 INFO L225 Difference]: With dead ends: 51 [2021-03-11 14:01:09,016 INFO L226 Difference]: Without dead ends: 37 [2021-03-11 14:01:09,016 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 386.5ms TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2021-03-11 14:01:09,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-03-11 14:01:09,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2021-03-11 14:01:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.6) internal successors, (48), 30 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 48 transitions. [2021-03-11 14:01:09,019 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 48 transitions. Word has length 15 [2021-03-11 14:01:09,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:09,019 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 48 transitions. [2021-03-11 14:01:09,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-03-11 14:01:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:09,019 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:09,019 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:09,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 14:01:09,020 INFO L428 AbstractCegarLoop]: === Iteration 8 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:09,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:09,020 INFO L82 PathProgramCache]: Analyzing trace with hash -986409015, now seen corresponding path program 4 times [2021-03-11 14:01:09,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:09,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628526068] [2021-03-11 14:01:09,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:09,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:09,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:09,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 14:01:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:09,069 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 14:01:09,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:09,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 14:01:09,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 14:01:09,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:09,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 14:01:09,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:09,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:09,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:09,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628526068] [2021-03-11 14:01:09,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:09,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 14:01:09,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765452489] [2021-03-11 14:01:09,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 14:01:09,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:09,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 14:01:09,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-03-11 14:01:09,204 INFO L87 Difference]: Start difference. First operand 31 states and 48 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:09,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:09,631 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2021-03-11 14:01:09,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 14:01:09,632 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:09,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:09,632 INFO L225 Difference]: With dead ends: 43 [2021-03-11 14:01:09,632 INFO L226 Difference]: Without dead ends: 33 [2021-03-11 14:01:09,633 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 394.1ms TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2021-03-11 14:01:09,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-03-11 14:01:09,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-03-11 14:01:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 30 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 47 transitions. [2021-03-11 14:01:09,635 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 47 transitions. Word has length 15 [2021-03-11 14:01:09,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:09,635 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 47 transitions. [2021-03-11 14:01:09,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-03-11 14:01:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:09,635 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:09,635 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:09,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 14:01:09,636 INFO L428 AbstractCegarLoop]: === Iteration 9 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:09,636 INFO L82 PathProgramCache]: Analyzing trace with hash 67509403, now seen corresponding path program 5 times [2021-03-11 14:01:09,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:09,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295150235] [2021-03-11 14:01:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:09,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:09,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:09,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:09,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:09,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 14:01:09,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 14:01:09,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 14:01:09,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 14:01:09,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:09,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:09,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:09,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:09,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295150235] [2021-03-11 14:01:09,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:09,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 14:01:09,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552063312] [2021-03-11 14:01:09,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 14:01:09,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:09,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 14:01:09,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-03-11 14:01:09,811 INFO L87 Difference]: Start difference. First operand 31 states and 47 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:10,174 INFO L93 Difference]: Finished difference Result 39 states and 56 transitions. [2021-03-11 14:01:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 14:01:10,174 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:10,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:10,174 INFO L225 Difference]: With dead ends: 39 [2021-03-11 14:01:10,175 INFO L226 Difference]: Without dead ends: 31 [2021-03-11 14:01:10,175 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 353.8ms TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2021-03-11 14:01:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-03-11 14:01:10,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-03-11 14:01:10,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 30 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:10,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 46 transitions. [2021-03-11 14:01:10,177 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 46 transitions. Word has length 15 [2021-03-11 14:01:10,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:10,177 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 46 transitions. [2021-03-11 14:01:10,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:10,177 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2021-03-11 14:01:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:10,178 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:10,178 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:10,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 14:01:10,178 INFO L428 AbstractCegarLoop]: === Iteration 10 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:10,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:10,178 INFO L82 PathProgramCache]: Analyzing trace with hash 783394177, now seen corresponding path program 6 times [2021-03-11 14:01:10,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:10,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881345433] [2021-03-11 14:01:10,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:10,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:10,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:10,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 14:01:10,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 14:01:10,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 14:01:10,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 14:01:10,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 14:01:10,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 14:01:10,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:10,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:10,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881345433] [2021-03-11 14:01:10,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:10,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 14:01:10,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036120574] [2021-03-11 14:01:10,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 14:01:10,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:10,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 14:01:10,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-03-11 14:01:10,342 INFO L87 Difference]: Start difference. First operand 31 states and 46 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:10,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:10,693 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2021-03-11 14:01:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 14:01:10,693 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:10,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:10,694 INFO L225 Difference]: With dead ends: 37 [2021-03-11 14:01:10,694 INFO L226 Difference]: Without dead ends: 31 [2021-03-11 14:01:10,694 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 311.8ms TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2021-03-11 14:01:10,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-03-11 14:01:10,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-03-11 14:01:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2021-03-11 14:01:10,698 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 45 transitions. Word has length 15 [2021-03-11 14:01:10,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:10,698 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 45 transitions. [2021-03-11 14:01:10,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2021-03-11 14:01:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:10,699 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:10,699 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:10,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 14:01:10,699 INFO L428 AbstractCegarLoop]: === Iteration 11 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:10,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:10,699 INFO L82 PathProgramCache]: Analyzing trace with hash 866511067, now seen corresponding path program 7 times [2021-03-11 14:01:10,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:10,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580483622] [2021-03-11 14:01:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:10,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:10,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:10,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 14:01:10,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 14:01:10,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 14:01:10,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 14:01:10,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 14:01:10,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 14:01:10,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 14:01:10,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:10,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:10,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:10,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:10,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580483622] [2021-03-11 14:01:10,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:10,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 14:01:10,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451055132] [2021-03-11 14:01:10,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 14:01:10,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:10,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 14:01:10,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-03-11 14:01:10,905 INFO L87 Difference]: Start difference. First operand 31 states and 45 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:11,275 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2021-03-11 14:01:11,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 14:01:11,275 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:11,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:11,276 INFO L225 Difference]: With dead ends: 35 [2021-03-11 14:01:11,276 INFO L226 Difference]: Without dead ends: 25 [2021-03-11 14:01:11,276 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 360.7ms TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2021-03-11 14:01:11,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-03-11 14:01:11,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-03-11 14:01:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2021-03-11 14:01:11,278 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 36 transitions. Word has length 15 [2021-03-11 14:01:11,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:11,278 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-03-11 14:01:11,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2021-03-11 14:01:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 14:01:11,279 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:01:11,279 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:01:11,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 14:01:11,279 INFO L428 AbstractCegarLoop]: === Iteration 12 === [fooThread1of1ForFork1Err1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, fooErr0INUSE_VIOLATION, barErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:01:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:01:11,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1296250583, now seen corresponding path program 8 times [2021-03-11 14:01:11,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:01:11,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423667611] [2021-03-11 14:01:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:01:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:01:11,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:11,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:01:11,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 14:01:11,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:11,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 14:01:11,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 14:01:11,334 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 14:01:11,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 14:01:11,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:11,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 14:01:11,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 14:01:11,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:11,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 14:01:11,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:01:11,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 14:01:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:01:11,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423667611] [2021-03-11 14:01:11,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:01:11,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 14:01:11,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766807517] [2021-03-11 14:01:11,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 14:01:11,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:01:11,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 14:01:11,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-03-11 14:01:11,440 INFO L87 Difference]: Start difference. First operand 25 states and 36 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:01:11,768 INFO L93 Difference]: Finished difference Result 24 states and 35 transitions. [2021-03-11 14:01:11,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 14:01:11,769 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-03-11 14:01:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:01:11,769 INFO L225 Difference]: With dead ends: 24 [2021-03-11 14:01:11,769 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 14:01:11,769 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 340.7ms TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2021-03-11 14:01:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 14:01:11,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 14:01:11,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 14:01:11,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-03-11 14:01:11,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:01:11,770 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 14:01:11,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:01:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 14:01:11,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 14:01:11,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 14:01:11,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:01:11 BasicIcfg [2021-03-11 14:01:11,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:01:11,773 INFO L168 Benchmark]: Toolchain (without parser) took 10233.35 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 316.8 MB in the beginning and 167.0 MB in the end (delta: 149.9 MB). Peak memory consumption was 221.6 MB. Max. memory is 16.0 GB. [2021-03-11 14:01:11,773 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 354.4 MB. Free memory is still 335.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:01:11,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.33 ms. Allocated memory is still 354.4 MB. Free memory was 316.2 MB in the beginning and 338.2 MB in the end (delta: -22.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-03-11 14:01:11,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.34 ms. Allocated memory is still 354.4 MB. Free memory was 338.2 MB in the beginning and 336.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:01:11,774 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 354.4 MB. Free memory was 336.4 MB in the beginning and 335.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:01:11,774 INFO L168 Benchmark]: RCFGBuilder took 419.39 ms. Allocated memory is still 354.4 MB. Free memory was 335.4 MB in the beginning and 314.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-11 14:01:11,774 INFO L168 Benchmark]: TraceAbstraction took 9550.63 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 313.0 MB in the beginning and 167.0 MB in the end (delta: 146.0 MB). Peak memory consumption was 218.4 MB. Max. memory is 16.0 GB. [2021-03-11 14:01:11,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 354.4 MB. Free memory is still 335.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 181.33 ms. Allocated memory is still 354.4 MB. Free memory was 316.2 MB in the beginning and 338.2 MB in the end (delta: -22.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.34 ms. Allocated memory is still 354.4 MB. Free memory was 338.2 MB in the beginning and 336.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 354.4 MB. Free memory was 336.4 MB in the beginning and 335.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 419.39 ms. Allocated memory is still 354.4 MB. Free memory was 335.4 MB in the beginning and 314.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9550.63 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 313.0 MB in the beginning and 167.0 MB in the end (delta: 146.0 MB). Peak memory consumption was 218.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3253.3ms, 87 PlacesBefore, 28 PlacesAfterwards, 83 TransitionsBefore, 24 TransitionsAfterwards, 334 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 64 TotalNumberOfCompositions, 1130 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 596, positive: 509, positive conditional: 0, positive unconditional: 509, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 267, positive: 242, positive conditional: 0, positive unconditional: 242, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 267, positive: 236, positive conditional: 0, positive unconditional: 236, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 178, negative conditional: 0, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 596, positive: 267, positive conditional: 0, positive unconditional: 267, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 267, unknown conditional: 0, unknown unconditional: 267] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - PositiveResult [Line: 19]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9403.5ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 9.7ms, AutomataDifference: 3866.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3287.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 105 SDtfs, 400 SDslu, 186 SDs, 0 SdLazy, 1959 SolverSat, 178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1331.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 3276.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 54.2ms AutomataMinimizationTime, 12 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.6ms SsaConstructionTime, 226.0ms SatisfiabilityAnalysisTime, 1801.7ms InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 1773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...