/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:00:43,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:00:43,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:00:43,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-13 00:00:43,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-13 00:00:43,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-13 00:00:43,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-13 00:00:43,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-13 00:00:43,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-13 00:00:43,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-13 00:00:43,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-13 00:00:43,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-13 00:00:43,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-13 00:00:43,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-13 00:00:43,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-13 00:00:43,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-13 00:00:43,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-13 00:00:43,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-13 00:00:43,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-13 00:00:43,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-13 00:00:43,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-13 00:00:43,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-13 00:00:43,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-13 00:00:43,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-13 00:00:43,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-13 00:00:43,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:00:43,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:00:43,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:00:43,638 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-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:00:43,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:00:43,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:00:43,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:00:43,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:00:43,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:00:43,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:00:43,662 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:00:43,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:00:43,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:00:43,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:00:43,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:00:43,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:00:43,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:00:43,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:00:43,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:00:43,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:00:43,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:00:43,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:00:43,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:00:43,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:00:43,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:00:43,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:00:43,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:00:43,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:00:43,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:00:43,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:00:43,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:00:43,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:00:43,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:00:43,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:00:43,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:00:43,666 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:00:43,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:00:43,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:00:43,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:00:43,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:00:43,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-13 00:00:43,972 INFO L275 PluginConnector]: CDTParser initialized [2021-03-13 00:00:43,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-03-13 00:00:44,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f19ceaf3/8ab6d1fad6314e7293fda4d3839eede0/FLAGb3b9b17c8 [2021-03-13 00:00:44,453 INFO L306 CDTParser]: Found 1 translation units. [2021-03-13 00:00:44,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-03-13 00:00:44,453 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:00:44,453 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:00:44,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f19ceaf3/8ab6d1fad6314e7293fda4d3839eede0/FLAGb3b9b17c8 [2021-03-13 00:00:44,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f19ceaf3/8ab6d1fad6314e7293fda4d3839eede0 [2021-03-13 00:00:44,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:00:44,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-13 00:00:44,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-13 00:00:44,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-13 00:00:44,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-13 00:00:44,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:00:44" (1/1) ... [2021-03-13 00:00:44,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6ded58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:44, skipping insertion in model container [2021-03-13 00:00:44,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:00:44" (1/1) ... [2021-03-13 00:00:44,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-13 00:00:44,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-13 00:00:44,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:00:44,980 INFO L203 MainTranslator]: Completed pre-run [2021-03-13 00:00:44,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:00:45,030 INFO L208 MainTranslator]: Completed translation [2021-03-13 00:00:45,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45 WrapperNode [2021-03-13 00:00:45,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-13 00:00:45,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:00:45,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:00:45,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:00:45,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:00:45,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:00:45,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:00:45,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:00:45,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... [2021-03-13 00:00:45,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:00:45,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:00:45,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:00:45,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:00:45,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:00:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-13 00:00:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-13 00:00:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-13 00:00:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:00:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:00:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-13 00:00:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-13 00:00:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-13 00:00:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-13 00:00:45,133 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:00:45,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:00:45,515 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-13 00:00:45,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:00:45 BoogieIcfgContainer [2021-03-13 00:00:45,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:00:45,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:00:45,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:00:45,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:00:45,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 12:00:44" (1/3) ... [2021-03-13 00:00:45,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c8d6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:00:45, skipping insertion in model container [2021-03-13 00:00:45,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:00:45" (2/3) ... [2021-03-13 00:00:45,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c8d6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:00:45, skipping insertion in model container [2021-03-13 00:00:45,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:00:45" (3/3) ... [2021-03-13 00:00:45,525 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2021-03-13 00:00:45,530 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:00:45,530 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:00:45,533 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 00:00:45,534 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:00:45,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,581 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,581 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,581 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,581 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,581 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,582 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,582 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,582 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,583 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,583 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,584 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,584 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,584 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,586 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,587 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,587 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,589 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,589 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,590 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,590 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,590 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,590 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,590 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,590 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,591 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,591 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,591 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,591 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,591 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,592 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,592 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,592 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,593 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,593 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,593 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,593 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,593 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,593 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,594 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,594 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,594 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,594 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,594 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,596 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,597 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,597 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,597 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,597 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,597 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,598 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,598 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,598 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,599 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,599 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,599 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,599 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,599 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,599 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,601 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,602 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,602 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,602 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,602 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,602 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,602 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,610 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,610 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,611 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,612 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,614 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,615 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,615 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,618 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,624 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,624 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,624 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,627 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:00:45,646 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-13 00:00:45,657 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:00:45,701 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:00:45,702 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:00:45,702 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:00:45,702 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:00:45,702 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:00:45,702 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:00:45,702 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:00:45,702 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:00:45,713 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:00:45,713 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 77 transitions, 196 flow [2021-03-13 00:00:45,715 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 77 transitions, 196 flow [2021-03-13 00:00:45,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 77 transitions, 196 flow [2021-03-13 00:00:45,760 INFO L129 PetriNetUnfolder]: 5/85 cut-off events. [2021-03-13 00:00:45,760 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-13 00:00:45,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 85 events. 5/85 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 114 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 50. Up to 6 conditions per place. [2021-03-13 00:00:45,765 INFO L116 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-13 00:00:47,456 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-03-13 00:00:47,676 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-03-13 00:00:47,776 INFO L131 LiptonReduction]: Checked pairs total: 3906 [2021-03-13 00:00:47,776 INFO L133 LiptonReduction]: Total number of compositions: 43 [2021-03-13 00:00:47,864 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:47,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:47,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1232659018, now seen corresponding path program 1 times [2021-03-13 00:00:47,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:47,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458201070] [2021-03-13 00:00:47,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:00:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:00:48,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458201070] [2021-03-13 00:00:48,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:00:48,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-13 00:00:48,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768678699] [2021-03-13 00:00:48,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-13 00:00:48,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:00:48,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-13 00:00:48,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-03-13 00:00:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:48,366 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:00:48,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:00:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:49,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:49,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:00:49,011 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:49,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1165629268, now seen corresponding path program 2 times [2021-03-13 00:00:49,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:49,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148365634] [2021-03-13 00:00:49,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:00:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:00:49,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148365634] [2021-03-13 00:00:49,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:00:49,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-13 00:00:49,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001171837] [2021-03-13 00:00:49,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-13 00:00:49,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:00:49,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-13 00:00:49,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-13 00:00:49,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:49,262 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:00:49,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:00:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:49,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:49,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:49,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 00:00:49,566 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:49,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:49,567 INFO L82 PathProgramCache]: Analyzing trace with hash 490106244, now seen corresponding path program 1 times [2021-03-13 00:00:49,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:49,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769717468] [2021-03-13 00:00:49,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:00:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:00:49,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769717468] [2021-03-13 00:00:49,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:00:49,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 00:00:49,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487380621] [2021-03-13 00:00:49,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 00:00:49,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:00:49,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 00:00:49,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-13 00:00:49,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:49,634 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:00:49,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:00:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:49,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:49,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:49,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:49,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 00:00:49,747 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:49,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:49,748 INFO L82 PathProgramCache]: Analyzing trace with hash 478073310, now seen corresponding path program 1 times [2021-03-13 00:00:49,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:49,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932476730] [2021-03-13 00:00:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:00:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:00:50,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932476730] [2021-03-13 00:00:50,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:00:50,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-13 00:00:50,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868373778] [2021-03-13 00:00:50,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 00:00:50,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:00:50,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 00:00:50,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-03-13 00:00:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:50,143 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:00:50,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:00:50,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:50,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:50,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:50,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:50,479 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2021-03-13 00:00:50,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:00:50,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-13 00:00:50,960 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:50,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:50,960 INFO L82 PathProgramCache]: Analyzing trace with hash 545103060, now seen corresponding path program 2 times [2021-03-13 00:00:50,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:50,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049395910] [2021-03-13 00:00:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:00:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:00:51,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049395910] [2021-03-13 00:00:51,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:00:51,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-13 00:00:51,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001872689] [2021-03-13 00:00:51,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-13 00:00:51,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:00:51,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-13 00:00:51,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-03-13 00:00:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:51,347 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:00:51,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:00:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:51,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:51,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:00:51,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:00:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-13 00:00:52,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-13 00:00:52,405 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:52,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1206626004, now seen corresponding path program 1 times [2021-03-13 00:00:52,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:52,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763208549] [2021-03-13 00:00:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:00:52,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:00:52,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763208549] [2021-03-13 00:00:52,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:00:52,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-13 00:00:52,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690726319] [2021-03-13 00:00:52,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-13 00:00:52,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:00:52,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-13 00:00:52,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-13 00:00:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:52,502 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:00:52,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:00:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:00:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-13 00:00:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:00:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:00:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 00:00:52,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-13 00:00:52,800 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:52,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:52,800 INFO L82 PathProgramCache]: Analyzing trace with hash -224873912, now seen corresponding path program 1 times [2021-03-13 00:00:52,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:52,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546295663] [2021-03-13 00:00:52,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:00:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:00:52,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546295663] [2021-03-13 00:00:52,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:00:52,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 00:00:52,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065135438] [2021-03-13 00:00:52,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 00:00:52,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:00:52,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 00:00:52,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-13 00:00:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:52,878 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:00:52,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:00:52,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:52,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:52,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:52,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:00:52,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:00:52,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 00:00:52,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:00:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-13 00:00:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:00:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:00:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:00:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:00:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 00:00:53,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:00:53,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-13 00:00:53,039 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:00:53,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:00:53,039 INFO L82 PathProgramCache]: Analyzing trace with hash -207491094, now seen corresponding path program 2 times [2021-03-13 00:00:53,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:00:53,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510984231] [2021-03-13 00:00:53,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:00:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-13 00:00:53,049 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-13 00:00:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-13 00:00:53,057 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-13 00:00:53,078 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-13 00:00:53,078 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-13 00:00:53,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-13 00:00:53,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:00:53 BasicIcfg [2021-03-13 00:00:53,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:00:53,118 INFO L168 Benchmark]: Toolchain (without parser) took 8262.99 ms. Allocated memory was 255.9 MB in the beginning and 511.7 MB in the end (delta: 255.9 MB). Free memory was 232.5 MB in the beginning and 363.9 MB in the end (delta: -131.5 MB). Peak memory consumption was 123.8 MB. Max. memory is 16.0 GB. [2021-03-13 00:00:53,118 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:00:53,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.19 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 231.6 MB in the beginning and 338.6 MB in the end (delta: -107.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-13 00:00:53,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.34 ms. Allocated memory is still 354.4 MB. Free memory was 338.6 MB in the beginning and 336.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:00:53,119 INFO L168 Benchmark]: Boogie Preprocessor took 12.57 ms. Allocated memory is still 354.4 MB. Free memory was 336.9 MB in the beginning and 335.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:00:53,119 INFO L168 Benchmark]: RCFGBuilder took 446.52 ms. Allocated memory is still 354.4 MB. Free memory was 335.7 MB in the beginning and 319.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-13 00:00:53,119 INFO L168 Benchmark]: TraceAbstraction took 7598.43 ms. Allocated memory was 354.4 MB in the beginning and 511.7 MB in the end (delta: 157.3 MB). Free memory was 319.2 MB in the beginning and 363.9 MB in the end (delta: -44.7 MB). Peak memory consumption was 115.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:00:53,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 172.19 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 231.6 MB in the beginning and 338.6 MB in the end (delta: -107.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.34 ms. Allocated memory is still 354.4 MB. Free memory was 338.6 MB in the beginning and 336.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.57 ms. Allocated memory is still 354.4 MB. Free memory was 336.9 MB in the beginning and 335.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 446.52 ms. Allocated memory is still 354.4 MB. Free memory was 335.7 MB in the beginning and 319.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 7598.43 ms. Allocated memory was 354.4 MB in the beginning and 511.7 MB in the end (delta: 157.3 MB). Free memory was 319.2 MB in the beginning and 363.9 MB in the end (delta: -44.7 MB). Peak memory consumption was 115.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2061.2ms, 81 PlacesBefore, 39 PlacesAfterwards, 77 TransitionsBefore, 35 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 5 FixpointIterations, 25 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 43 TotalNumberOfCompositions, 3906 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2354, positive: 2185, positive conditional: 0, positive unconditional: 2185, negative: 169, negative conditional: 0, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 766, positive: 723, positive conditional: 0, positive unconditional: 723, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 766, positive: 721, positive conditional: 0, positive unconditional: 721, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 206, negative conditional: 0, negative unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2354, positive: 1462, positive conditional: 0, positive unconditional: 1462, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 766, unknown conditional: 0, unknown unconditional: 766] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 171, Positive conditional cache size: 0, Positive unconditional cache size: 171, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 405, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 73, negative conditional: 73, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 403, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 403, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 403, positive: 292, positive conditional: 0, positive unconditional: 292, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 54, unknown conditional: 0, unknown unconditional: 54] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 235, negative conditional: 96, negative unconditional: 139, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, Eliminated conditions: 139, SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 235, negative conditional: 96, negative unconditional: 139, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, Eliminated conditions: 139, SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 235, negative conditional: 96, negative unconditional: 139, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, Eliminated conditions: 139, SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 235, negative conditional: 96, negative unconditional: 139, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, Eliminated conditions: 139, SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 235, negative conditional: 96, negative unconditional: 139, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, Eliminated conditions: 139, SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 235, negative conditional: 96, negative unconditional: 139, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, Eliminated conditions: 139, SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 144, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 62, negative conditional: 48, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 381, negative conditional: 302, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 235, negative conditional: 96, negative unconditional: 139, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 62, Negative conditional cache size: 48, Negative unconditional cache size: 14, Eliminated conditions: 139 ], Maximal queried relation: 7, Independence queries for same thread: 2 - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; [L23] 0 int val = 0; [L25] 0 pthread_t first_thread_id; [L26] 0 pthread_t second_thread_id; [L27] 0 pthread_t third_thread_id; [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, n={6:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [counter=0, n={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [counter=0, n={6:0}] [L33] 0 \read(first_thread_id) VAL [counter=0, n={6:0}] [L16] 1 int *x = (int *)n; [L17] 1 ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 3 int *x = (int *)n; [L17] EXPR 3 ++counter VAL [++counter=1, counter=2, n={6:0}, n={6:0}, x={6:0}] [L17] 3 *x = ++counter [L18] 3 return 0; [L16] 2 int *x = (int *)n; [L17] EXPR 2 ++counter VAL [++counter=1, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 2 *x = ++counter [L18] 2 return 0; [L17] 1 *x = ++counter [L18] 1 return 0; [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] FCALL, JOIN 3 pthread_join(third_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] FCALL 0 IdentifierExpression[val] [L37] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7414.0ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2079.9ms, PartialOrderReductionTime: 3468.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 87, 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: 23.6ms SsaConstructionTime, 135.3ms SatisfiabilityAnalysisTime, 1505.8ms InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 2744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...