/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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 18:41:06,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 18:41:06,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 18:41:06,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 18:41:06,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 18:41:06,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 18:41:06,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 18:41:06,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 18:41:06,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 18:41:06,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 18:41:06,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 18:41:06,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 18:41:06,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 18:41:06,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 18:41:06,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 18:41:06,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 18:41:06,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 18:41:06,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 18:41:06,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 18:41:06,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 18:41:06,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 18:41:06,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 18:41:06,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 18:41:06,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 18:41:06,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 18:41:06,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 18:41:06,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 18:41:06,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 18:41:06,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 18:41:06,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 18:41:06,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 18:41:06,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 18:41:06,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 18:41:06,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 18:41:06,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 18:41:06,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 18:41:06,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 18:41:06,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 18:41:06,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 18:41:06,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 18:41:06,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 18:41:06,625 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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 18:41:06,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 18:41:06,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 18:41:06,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 18:41:06,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 18:41:06,646 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 18:41:06,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 18:41:06,646 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 18:41:06,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 18:41:06,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 18:41:06,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 18:41:06,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 18:41:06,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 18:41:06,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 18:41:06,647 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 18:41:06,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 18:41:06,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 18:41:06,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 18:41:06,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 18:41:06,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 18:41:06,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 18:41:06,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 18:41:06,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 18:41:06,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 18:41:06,649 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 18:41:06,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 18:41:06,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 18:41:06,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 18:41:06,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 18:41:06,947 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 18:41:06,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c [2021-06-11 18:41:07,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5b0d762/3bbbb4afbf5b48ea8520019e50e261e4/FLAG5a59760c1 [2021-06-11 18:41:07,347 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 18:41:07,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c [2021-06-11 18:41:07,348 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-11 18:41:07,348 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-11 18:41:07,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5b0d762/3bbbb4afbf5b48ea8520019e50e261e4/FLAG5a59760c1 [2021-06-11 18:41:07,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5b0d762/3bbbb4afbf5b48ea8520019e50e261e4 [2021-06-11 18:41:07,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 18:41:07,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 18:41:07,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 18:41:07,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 18:41:07,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 18:41:07,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:07,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ee90fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07, skipping insertion in model container [2021-06-11 18:41:07,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:07,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 18:41:07,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 18:41:07,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 18:41:07,941 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 18:41:07,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 18:41:07,993 INFO L208 MainTranslator]: Completed translation [2021-06-11 18:41:07,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07 WrapperNode [2021-06-11 18:41:07,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 18:41:07,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 18:41:07,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 18:41:07,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 18:41:08,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 18:41:08,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 18:41:08,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 18:41:08,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 18:41:08,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (1/1) ... [2021-06-11 18:41:08,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 18:41:08,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 18:41:08,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 18:41:08,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 18:41:08,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (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 [2021-06-11 18:41:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 18:41:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-11 18:41:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-11 18:41:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 18:41:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 18:41:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-11 18:41:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 18:41:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 18:41:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 18:41:08,136 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 18:41:08,308 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 18:41:08,309 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-11 18:41:08,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:41:08 BoogieIcfgContainer [2021-06-11 18:41:08,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 18:41:08,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 18:41:08,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 18:41:08,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 18:41:08,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:41:07" (1/3) ... [2021-06-11 18:41:08,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f8ae21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:41:08, skipping insertion in model container [2021-06-11 18:41:08,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:41:07" (2/3) ... [2021-06-11 18:41:08,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f8ae21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:41:08, skipping insertion in model container [2021-06-11 18:41:08,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:41:08" (3/3) ... [2021-06-11 18:41:08,316 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinInLoop.c [2021-06-11 18:41:08,320 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 18:41:08,324 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 18:41:08,324 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 18:41:08,341 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,342 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,342 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,342 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,342 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,342 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,343 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,343 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,343 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,343 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,345 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,345 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,345 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,345 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,345 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:41:08,350 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-11 18:41:08,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 18:41:08,383 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 18:41:08,383 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 18:41:08,383 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 18:41:08,383 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 18:41:08,384 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 18:41:08,384 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 18:41:08,384 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 18:41:08,384 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 18:41:08,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 46 transitions, 100 flow [2021-06-11 18:41:08,416 INFO L129 PetriNetUnfolder]: 2/45 cut-off events. [2021-06-11 18:41:08,417 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 18:41:08,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 45 events. 2/45 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2021-06-11 18:41:08,419 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 46 transitions, 100 flow [2021-06-11 18:41:08,422 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 37 transitions, 80 flow [2021-06-11 18:41:08,424 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:41:08,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 37 transitions, 80 flow [2021-06-11 18:41:08,439 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 37 transitions, 80 flow [2021-06-11 18:41:08,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 37 transitions, 80 flow [2021-06-11 18:41:08,452 INFO L129 PetriNetUnfolder]: 2/37 cut-off events. [2021-06-11 18:41:08,452 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 18:41:08,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 37 events. 2/37 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-06-11 18:41:08,455 INFO L151 LiptonReduction]: Number of co-enabled transitions 30 [2021-06-11 18:41:08,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:08,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:08,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:08,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 18:41:08,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 18:41:08,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:08,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:08,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 18:41:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 18:41:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:09,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 18:41:09,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 18:41:09,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:09,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 18:41:09,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:09,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:09,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:09,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 18:41:09,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 18:41:09,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 18:41:09,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 18:41:09,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 18:41:09,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:09,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:41:09,668 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-11 18:41:09,862 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-11 18:41:09,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:09,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 18:41:09,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 18:41:09,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 18:41:09,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:09,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:09,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 18:41:09,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 18:41:09,964 INFO L163 LiptonReduction]: Checked pairs total: 17 [2021-06-11 18:41:09,964 INFO L165 LiptonReduction]: Total number of compositions: 31 [2021-06-11 18:41:09,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1544 [2021-06-11 18:41:09,981 INFO L129 PetriNetUnfolder]: 0/1 cut-off events. [2021-06-11 18:41:09,982 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:41:09,982 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 18:41:09,982 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1] [2021-06-11 18:41:09,982 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 18:41:09,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 18:41:09,987 INFO L82 PathProgramCache]: Analyzing trace with hash 5343, now seen corresponding path program 1 times [2021-06-11 18:41:10,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 18:41:10,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739698918] [2021-06-11 18:41:10,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 18:41:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 18:41:10,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 18:41:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 18:41:10,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739698918] [2021-06-11 18:41:10,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 18:41:10,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 18:41:10,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133485246] [2021-06-11 18:41:10,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 18:41:10,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 18:41:10,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 18:41:10,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 18:41:10,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 77 [2021-06-11 18:41:10,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 8 transitions, 22 flow. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 18:41:10,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 77 [2021-06-11 18:41:10,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 18:41:10,156 INFO L129 PetriNetUnfolder]: 1/9 cut-off events. [2021-06-11 18:41:10,156 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 18:41:10,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 9 events. 1/9 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 6. Up to 7 conditions per place. [2021-06-11 18:41:10,157 INFO L132 encePairwiseOnDemand]: 74/77 looper letters, 5 selfloop transitions, 2 changer transitions 0/9 dead transitions. [2021-06-11 18:41:10,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 9 transitions, 38 flow [2021-06-11 18:41:10,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 18:41:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 18:41:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2021-06-11 18:41:10,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6320346320346321 [2021-06-11 18:41:10,170 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 146 transitions. [2021-06-11 18:41:10,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 146 transitions. [2021-06-11 18:41:10,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 18:41:10,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 146 transitions. [2021-06-11 18:41:10,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,187 INFO L185 Difference]: Start difference. First operand has 11 places, 8 transitions, 22 flow. Second operand 3 states and 146 transitions. [2021-06-11 18:41:10,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 9 transitions, 38 flow [2021-06-11 18:41:10,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 9 transitions, 34 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 18:41:10,190 INFO L241 Difference]: Finished difference. Result has 12 places, 9 transitions, 30 flow [2021-06-11 18:41:10,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=30, PETRI_PLACES=12, PETRI_TRANSITIONS=9} [2021-06-11 18:41:10,193 INFO L343 CegarLoopForPetriNet]: 11 programPoint places, 1 predicate places. [2021-06-11 18:41:10,193 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:41:10,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 12 places, 9 transitions, 30 flow [2021-06-11 18:41:10,194 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 12 places, 9 transitions, 30 flow [2021-06-11 18:41:10,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 12 places, 9 transitions, 30 flow [2021-06-11 18:41:10,200 INFO L129 PetriNetUnfolder]: 1/9 cut-off events. [2021-06-11 18:41:10,200 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:41:10,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 9 events. 1/9 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 10. Up to 4 conditions per place. [2021-06-11 18:41:10,202 INFO L151 LiptonReduction]: Number of co-enabled transitions 2 [2021-06-11 18:41:10,203 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 18:41:10,203 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 18:41:10,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 18:41:10,205 INFO L480 AbstractCegarLoop]: Abstraction has has 12 places, 9 transitions, 30 flow [2021-06-11 18:41:10,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 18:41:10,206 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 18:41:10,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 18:41:10,207 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 18:41:10,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 18:41:10,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1016407202, now seen corresponding path program 1 times [2021-06-11 18:41:10,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 18:41:10,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768498135] [2021-06-11 18:41:10,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 18:41:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 18:41:10,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 18:41:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,306 INFO L142 QuantifierPusher]: treesize reduction 10, result has 41.2 percent of original size [2021-06-11 18:41:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 18:41:10,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768498135] [2021-06-11 18:41:10,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640504408] [2021-06-11 18:41:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 18:41:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 18:41:10,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 18:41:10,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 18:41:10,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 18:41:10,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 18:41:10,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 18:41:10,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 18:41:10,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 18:41:10,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 18:41:10,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 97 [2021-06-11 18:41:10,458 INFO L142 QuantifierPusher]: treesize reduction 67, result has 31.6 percent of original size [2021-06-11 18:41:10,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 18:41:10,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 18:41:10,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 18:41:10,478 INFO L628 ElimStorePlain]: treesize reduction 14, result has 58.8 percent of original size [2021-06-11 18:41:10,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 18:41:10,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:12 [2021-06-11 18:41:10,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 18:41:10,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 18:41:10,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 18:41:10,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 18:41:10,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 18:41:10,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 18:41:10,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 18:41:10,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 18:41:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 18:41:10,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 18:41:10,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 18:41:10,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 18:41:10,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 18:41:10,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 18:41:10,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 18:41:10,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-11 18:41:10,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 18:41:10,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 18:41:10,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 18:41:10,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-11 18:41:10,546 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2021-06-11 18:41:10,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 18:41:10,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 18:41:10,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 18:41:10,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 18:41:10,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 18:41:10,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 18:41:10,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 18:41:10,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 18:41:10,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 18:41:10,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2021-06-11 18:41:10,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 18:41:10,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 18:41:10,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 18:41:10,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-11 18:41:10,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2021-06-11 18:41:10,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:10,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 18:41:10,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 18:41:10,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:10,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 18:41:10,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 18:41:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 18:41:10,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 18:41:10,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-06-11 18:41:10,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797592881] [2021-06-11 18:41:10,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 18:41:10,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 18:41:10,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 18:41:10,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-06-11 18:41:10,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 77 [2021-06-11 18:41:10,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 9 transitions, 30 flow. Second operand has 8 states, 8 states have (on average 44.5) internal successors, (356), 8 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 18:41:10,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 77 [2021-06-11 18:41:10,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 18:41:10,822 INFO L129 PetriNetUnfolder]: 1/20 cut-off events. [2021-06-11 18:41:10,822 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:41:10,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 20 events. 1/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 36. Up to 5 conditions per place. [2021-06-11 18:41:10,823 INFO L132 encePairwiseOnDemand]: 73/77 looper letters, 8 selfloop transitions, 6 changer transitions 0/16 dead transitions. [2021-06-11 18:41:10,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 16 transitions, 76 flow [2021-06-11 18:41:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 18:41:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 18:41:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 273 transitions. [2021-06-11 18:41:10,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5909090909090909 [2021-06-11 18:41:10,829 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 273 transitions. [2021-06-11 18:41:10,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 273 transitions. [2021-06-11 18:41:10,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 18:41:10,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 273 transitions. [2021-06-11 18:41:10,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:10,834 INFO L185 Difference]: Start difference. First operand has 12 places, 9 transitions, 30 flow. Second operand 6 states and 273 transitions. [2021-06-11 18:41:10,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 16 transitions, 76 flow [2021-06-11 18:41:10,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 16 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 18:41:10,837 INFO L241 Difference]: Finished difference. Result has 18 places, 12 transitions, 58 flow [2021-06-11 18:41:10,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=58, PETRI_PLACES=18, PETRI_TRANSITIONS=12} [2021-06-11 18:41:10,837 INFO L343 CegarLoopForPetriNet]: 11 programPoint places, 7 predicate places. [2021-06-11 18:41:10,837 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:41:10,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 12 transitions, 58 flow [2021-06-11 18:41:10,838 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 12 transitions, 58 flow [2021-06-11 18:41:10,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 18 places, 12 transitions, 58 flow [2021-06-11 18:41:10,847 INFO L129 PetriNetUnfolder]: 1/20 cut-off events. [2021-06-11 18:41:10,847 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 18:41:10,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 20 events. 1/20 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 11. Up to 5 conditions per place. [2021-06-11 18:41:10,848 INFO L151 LiptonReduction]: Number of co-enabled transitions 2 [2021-06-11 18:41:10,962 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-06-11 18:41:11,136 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-06-11 18:41:11,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:41:11,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 18:41:11,202 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 18:41:11,202 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 18:41:11,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-06-11 18:41:11,203 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 12 transitions, 59 flow [2021-06-11 18:41:11,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 44.5) internal successors, (356), 8 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 18:41:11,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 18:41:11,204 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1] [2021-06-11 18:41:11,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-11 18:41:11,413 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 18:41:11,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 18:41:11,413 INFO L82 PathProgramCache]: Analyzing trace with hash 526419613, now seen corresponding path program 2 times [2021-06-11 18:41:11,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 18:41:11,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955353532] [2021-06-11 18:41:11,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 18:41:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 18:41:11,432 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 18:41:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 18:41:11,458 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 18:41:11,474 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 18:41:11,474 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 18:41:11,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 18:41:11,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:41:11 BasicIcfg [2021-06-11 18:41:11,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 18:41:11,499 INFO L168 Benchmark]: Toolchain (without parser) took 3717.66 ms. Allocated memory is still 388.0 MB. Free memory was 351.0 MB in the beginning and 188.3 MB in the end (delta: 162.6 MB). Peak memory consumption was 164.5 MB. Max. memory is 16.0 GB. [2021-06-11 18:41:11,499 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 388.0 MB. Free memory was 369.3 MB in the beginning and 369.2 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:41:11,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.77 ms. Allocated memory is still 388.0 MB. Free memory was 350.8 MB in the beginning and 371.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-11 18:41:11,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 388.0 MB. Free memory was 371.3 MB in the beginning and 370.7 MB in the end (delta: 614.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:41:11,499 INFO L168 Benchmark]: Boogie Preprocessor took 36.54 ms. Allocated memory is still 388.0 MB. Free memory was 369.7 MB in the beginning and 369.4 MB in the end (delta: 265.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:41:11,500 INFO L168 Benchmark]: RCFGBuilder took 247.09 ms. Allocated memory is still 388.0 MB. Free memory was 368.6 MB in the beginning and 352.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-11 18:41:11,500 INFO L168 Benchmark]: TraceAbstraction took 3187.42 ms. Allocated memory is still 388.0 MB. Free memory was 351.8 MB in the beginning and 188.3 MB in the end (delta: 163.5 MB). Peak memory consumption was 165.6 MB. Max. memory is 16.0 GB. [2021-06-11 18:41:11,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 388.0 MB. Free memory was 369.3 MB in the beginning and 369.2 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 196.77 ms. Allocated memory is still 388.0 MB. Free memory was 350.8 MB in the beginning and 371.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 388.0 MB. Free memory was 371.3 MB in the beginning and 370.7 MB in the end (delta: 614.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.54 ms. Allocated memory is still 388.0 MB. Free memory was 369.7 MB in the beginning and 369.4 MB in the end (delta: 265.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 247.09 ms. Allocated memory is still 388.0 MB. Free memory was 368.6 MB in the beginning and 352.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3187.42 ms. Allocated memory is still 388.0 MB. Free memory was 351.8 MB in the beginning and 188.3 MB in the end (delta: 163.5 MB). Peak memory consumption was 165.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1525.6ms, 39 PlacesBefore, 11 PlacesAfterwards, 37 TransitionsBefore, 8 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 5 FixpointIterations, 23 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 31 TotalNumberOfCompositions, 17 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.6ms, 12 PlacesBefore, 12 PlacesAfterwards, 9 TransitionsBefore, 9 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 364.9ms, 18 PlacesBefore, 18 PlacesAfterwards, 12 TransitionsBefore, 12 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - CounterExampleResult [Line: 30]: assertion can be violated assertion can be violated We found a FailurePath: [L19] 0 pthread_t thread_id; [L21] 0 int x = 1; [L23] EXPR 0 \read(x) [L23] COND TRUE 0 x < 3 [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={5:0}] [L25] 0 \read(x) [L26] 0 \read(thread_id) VAL [i={5:0}] [L15] 1 int y = 4; [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={5:0}, i={5:0}, y=4] [L27] 0 \read(x) [L28] EXPR 0 \read(x) [L28] 0 x++ [L23] EXPR 0 \read(x) [L23] COND TRUE 0 x < 3 [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={5:0}] [L25] 0 \read(x) [L26] 0 \read(thread_id) VAL [i={5:0}] [L15] 1 int y = 4; [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={5:0}, i={5:0}, y=4] [L27] 0 \read(x) [L28] EXPR 0 \read(x) [L28] 0 x++ [L23] EXPR 0 \read(x) [L23] COND FALSE 0 !(x < 3) [L30] 0 CodeAnnotStmt[Assertion] VAL [i={5:0}, i={5:0}, y=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 3096.4ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 155.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1596.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 35 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 57.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.3ms SsaConstructionTime, 60.8ms SatisfiabilityAnalysisTime, 514.8ms InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 6 QuantifiedInterpolants, 209 SizeOfPredicates, 4 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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 incorrect! Received shutdown request...