/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 12:37:45,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 12:37:45,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 12:37:45,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 12:37:45,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 12:37:45,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 12:37:45,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 12:37:45,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 12:37:45,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 12:37:45,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 12:37:45,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 12:37:45,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 12:37:45,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 12:37:45,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 12:37:45,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 12:37:45,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 12:37:45,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 12:37:45,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 12:37:45,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 12:37:45,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 12:37:45,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 12:37:45,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 12:37:45,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 12:37:45,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 12:37:45,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 12:37:45,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 12:37:45,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 12:37:45,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 12:37:45,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 12:37:45,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 12:37:45,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 12:37:45,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 12:37:45,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 12:37:45,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 12:37:45,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 12:37:45,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 12:37:45,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 12:37:45,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 12:37:45,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 12:37:45,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 12:37:45,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 12:37:45,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf [2021-08-13 12:37:45,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 12:37:45,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 12:37:45,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 12:37:45,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 12:37:45,360 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 12:37:45,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 12:37:45,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 12:37:45,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 12:37:45,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 12:37:45,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 12:37:45,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 12:37:45,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 12:37:45,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 12:37:45,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 12:37:45,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 12:37:45,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 12:37:45,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 12:37:45,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 12:37:45,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 12:37:45,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 12:37:45,364 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 12:37:45,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 12:37:45,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 12:37:45,364 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 12:37:45,364 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 12:37:45,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 12:37:45,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 12:37:45,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 12:37:45,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 12:37:45,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 12:37:45,711 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 12:37:45,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-08-13 12:37:45,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50a79439/401882b900d04cf49f0760a38ee645d2/FLAGe6434589c [2021-08-13 12:37:46,045 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 12:37:46,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-08-13 12:37:46,046 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 12:37:46,046 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 12:37:46,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50a79439/401882b900d04cf49f0760a38ee645d2/FLAGe6434589c [2021-08-13 12:37:46,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50a79439/401882b900d04cf49f0760a38ee645d2 [2021-08-13 12:37:46,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 12:37:46,505 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 12:37:46,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 12:37:46,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 12:37:46,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 12:37:46,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641d6d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46, skipping insertion in model container [2021-08-13 12:37:46,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 12:37:46,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 12:37:46,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 12:37:46,635 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 12:37:46,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 12:37:46,663 INFO L208 MainTranslator]: Completed translation [2021-08-13 12:37:46,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46 WrapperNode [2021-08-13 12:37:46,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 12:37:46,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 12:37:46,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 12:37:46,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 12:37:46,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 12:37:46,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 12:37:46,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 12:37:46,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 12:37:46,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (1/1) ... [2021-08-13 12:37:46,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 12:37:46,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 12:37:46,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 12:37:46,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 12:37:46,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (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 [2021-08-13 12:37:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 12:37:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 12:37:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 12:37:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 12:37:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 12:37:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 12:37:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 12:37:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 12:37:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 12:37:46,800 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 12:37:47,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 12:37:47,056 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 12:37:47,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:37:47 BoogieIcfgContainer [2021-08-13 12:37:47,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 12:37:47,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 12:37:47,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 12:37:47,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 12:37:47,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 12:37:46" (1/3) ... [2021-08-13 12:37:47,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71051972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:37:47, skipping insertion in model container [2021-08-13 12:37:47,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:37:46" (2/3) ... [2021-08-13 12:37:47,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71051972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:37:47, skipping insertion in model container [2021-08-13 12:37:47,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:37:47" (3/3) ... [2021-08-13 12:37:47,062 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2021-08-13 12:37:47,084 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 12:37:47,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 12:37:47,085 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 12:37:47,115 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,116 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,116 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,116 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,116 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,117 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,117 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,117 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,117 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,118 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,119 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,119 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,119 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,119 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,119 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,120 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,120 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,120 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,121 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,121 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,121 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,121 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,121 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,121 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,122 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,122 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,122 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,123 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,124 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,125 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,125 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,125 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,126 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,126 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,126 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,126 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,126 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,126 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,126 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,127 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,127 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,127 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,127 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,127 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,127 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,127 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,128 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,128 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,129 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,129 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,129 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,129 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,130 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,130 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,130 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,130 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,130 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,130 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,130 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,131 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,131 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,132 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,132 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,133 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,133 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,134 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,134 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,134 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,140 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,141 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,141 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,141 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,142 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,143 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,144 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,147 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,147 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,151 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,152 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,152 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,152 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,152 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:37:47,189 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-08-13 12:37:47,207 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-13 12:37:47,238 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 12:37:47,239 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 12:37:47,239 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 12:37:47,239 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 12:37:47,239 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 12:37:47,239 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 12:37:47,239 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 12:37:47,239 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 12:37:47,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 214 flow [2021-08-13 12:37:47,316 INFO L129 PetriNetUnfolder]: 5/94 cut-off events. [2021-08-13 12:37:47,316 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-08-13 12:37:47,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 94 events. 5/94 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 103 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 57. Up to 6 conditions per place. [2021-08-13 12:37:47,319 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 86 transitions, 214 flow [2021-08-13 12:37:47,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 70 transitions, 176 flow [2021-08-13 12:37:47,361 INFO L129 PetriNetUnfolder]: 5/80 cut-off events. [2021-08-13 12:37:47,361 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-08-13 12:37:47,361 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:37:47,362 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:37:47,362 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:37:47,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:37:47,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1163232868, now seen corresponding path program 1 times [2021-08-13 12:37:47,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:37:47,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503424035] [2021-08-13 12:37:47,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:37:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:37:47,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:47,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:37:47,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:47,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 12:37:47,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:47,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:37:47,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:47,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:37:47,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:47,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 12:37:47,888 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 12:37:47,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 12:37:47,942 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-08-13 12:37:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 12:37:47,997 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-08-13 12:37:47,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:37:48,061 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-08-13 12:37:48,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:37:48,116 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-08-13 12:37:48,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:37:48,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 12:37:48,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:37:48,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:37:48,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 12:37:48,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 12:37:48,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 12:37:48,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 12:37:48,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:37:48,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 12:37:48,383 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-08-13 12:37:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-08-13 12:37:48,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:37:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:37:48,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:37:48,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503424035] [2021-08-13 12:37:48,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503424035] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:37:48,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:37:48,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 12:37:48,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604275911] [2021-08-13 12:37:48,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 12:37:48,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:37:48,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 12:37:48,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 12:37:48,470 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 86 [2021-08-13 12:37:48,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 176 flow. Second operand has 19 states, 19 states have (on average 42.78947368421053) internal successors, (813), 19 states have internal predecessors, (813), 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) [2021-08-13 12:37:48,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:37:48,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 86 [2021-08-13 12:37:48,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:37:49,618 INFO L129 PetriNetUnfolder]: 496/1268 cut-off events. [2021-08-13 12:37:49,619 INFO L130 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2021-08-13 12:37:49,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1268 events. 496/1268 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 8318 event pairs, 55 based on Foata normal form. 2/1261 useless extension candidates. Maximal degree in co-relation 1965. Up to 314 conditions per place. [2021-08-13 12:37:49,644 INFO L132 encePairwiseOnDemand]: 64/86 looper letters, 92 selfloop transitions, 54 changer transitions 1/179 dead transitions. [2021-08-13 12:37:49,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 179 transitions, 718 flow [2021-08-13 12:37:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-13 12:37:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-08-13 12:37:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 1338 transitions. [2021-08-13 12:37:49,669 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5364875701684042 [2021-08-13 12:37:49,669 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 1338 transitions. [2021-08-13 12:37:49,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 1338 transitions. [2021-08-13 12:37:49,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:37:49,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 1338 transitions. [2021-08-13 12:37:49,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 46.13793103448276) internal successors, (1338), 29 states have internal predecessors, (1338), 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) [2021-08-13 12:37:49,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 86.0) internal successors, (2580), 30 states have internal predecessors, (2580), 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) [2021-08-13 12:37:49,697 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 86.0) internal successors, (2580), 30 states have internal predecessors, (2580), 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) [2021-08-13 12:37:49,697 INFO L348 CegarLoopForPetriNet]: 74 programPoint places, 28 predicate places. [2021-08-13 12:37:49,698 INFO L482 AbstractCegarLoop]: Abstraction has has 102 places, 179 transitions, 718 flow [2021-08-13 12:37:49,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 42.78947368421053) internal successors, (813), 19 states have internal predecessors, (813), 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) [2021-08-13 12:37:49,698 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:37:49,698 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:37:49,698 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 12:37:49,698 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:37:49,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:37:49,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1551144724, now seen corresponding path program 1 times [2021-08-13 12:37:49,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:37:49,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481450851] [2021-08-13 12:37:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:37:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:37:49,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:37:49,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:37:49,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:37:49,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:37:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:37:49,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:37:49,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:37:49,842 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-13 12:37:49,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:37:49,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:37:49,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:37:49,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:37:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:37:49,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:37:49,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481450851] [2021-08-13 12:37:49,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481450851] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:37:49,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:37:49,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 12:37:49,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71770628] [2021-08-13 12:37:49,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 12:37:49,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:37:49,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 12:37:49,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-13 12:37:49,888 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 86 [2021-08-13 12:37:49,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 179 transitions, 718 flow. Second operand has 11 states, 11 states have (on average 57.45454545454545) internal successors, (632), 11 states have internal predecessors, (632), 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) [2021-08-13 12:37:49,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:37:49,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 86 [2021-08-13 12:37:49,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:37:50,444 INFO L129 PetriNetUnfolder]: 2041/4417 cut-off events. [2021-08-13 12:37:50,445 INFO L130 PetriNetUnfolder]: For 1211/1455 co-relation queries the response was YES. [2021-08-13 12:37:50,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9878 conditions, 4417 events. 2041/4417 cut-off events. For 1211/1455 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 34830 event pairs, 138 based on Foata normal form. 71/4417 useless extension candidates. Maximal degree in co-relation 8821. Up to 962 conditions per place. [2021-08-13 12:37:50,464 INFO L132 encePairwiseOnDemand]: 72/86 looper letters, 214 selfloop transitions, 45 changer transitions 39/387 dead transitions. [2021-08-13 12:37:50,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 387 transitions, 2112 flow [2021-08-13 12:37:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 12:37:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 12:37:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 822 transitions. [2021-08-13 12:37:50,466 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7352415026833632 [2021-08-13 12:37:50,466 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 822 transitions. [2021-08-13 12:37:50,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 822 transitions. [2021-08-13 12:37:50,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:37:50,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 822 transitions. [2021-08-13 12:37:50,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 63.23076923076923) internal successors, (822), 13 states have internal predecessors, (822), 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) [2021-08-13 12:37:50,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 86.0) internal successors, (1204), 14 states have internal predecessors, (1204), 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) [2021-08-13 12:37:50,469 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 86.0) internal successors, (1204), 14 states have internal predecessors, (1204), 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) [2021-08-13 12:37:50,469 INFO L348 CegarLoopForPetriNet]: 74 programPoint places, 40 predicate places. [2021-08-13 12:37:50,470 INFO L482 AbstractCegarLoop]: Abstraction has has 114 places, 387 transitions, 2112 flow [2021-08-13 12:37:50,470 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 57.45454545454545) internal successors, (632), 11 states have internal predecessors, (632), 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) [2021-08-13 12:37:50,470 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:37:50,470 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:37:50,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 12:37:50,470 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:37:50,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:37:50,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1892278, now seen corresponding path program 2 times [2021-08-13 12:37:50,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:37:50,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054203533] [2021-08-13 12:37:50,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:37:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 12:37:50,492 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 12:37:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 12:37:50,509 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 12:37:50,529 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-13 12:37:50,529 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-13 12:37:50,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 12:37:50,531 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 12:37:50,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 12:37:50 BasicIcfg [2021-08-13 12:37:50,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 12:37:50,580 INFO L168 Benchmark]: Toolchain (without parser) took 4074.27 ms. Allocated memory was 209.7 MB in the beginning and 254.8 MB in the end (delta: 45.1 MB). Free memory was 172.8 MB in the beginning and 172.3 MB in the end (delta: 525.3 kB). Peak memory consumption was 46.4 MB. Max. memory is 8.0 GB. [2021-08-13 12:37:50,580 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 209.7 MB. Free memory was 191.0 MB in the beginning and 190.9 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 12:37:50,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.87 ms. Allocated memory is still 209.7 MB. Free memory was 172.6 MB in the beginning and 163.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-13 12:37:50,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.52 ms. Allocated memory is still 209.7 MB. Free memory was 163.7 MB in the beginning and 192.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. [2021-08-13 12:37:50,581 INFO L168 Benchmark]: Boogie Preprocessor took 27.51 ms. Allocated memory is still 209.7 MB. Free memory was 192.4 MB in the beginning and 191.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 12:37:50,581 INFO L168 Benchmark]: RCFGBuilder took 309.82 ms. Allocated memory is still 209.7 MB. Free memory was 191.4 MB in the beginning and 173.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-08-13 12:37:50,582 INFO L168 Benchmark]: TraceAbstraction took 3520.80 ms. Allocated memory was 209.7 MB in the beginning and 254.8 MB in the end (delta: 45.1 MB). Free memory was 173.2 MB in the beginning and 172.3 MB in the end (delta: 870.5 kB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2021-08-13 12:37:50,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 209.7 MB. Free memory was 191.0 MB in the beginning and 190.9 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 156.87 ms. Allocated memory is still 209.7 MB. Free memory was 172.6 MB in the beginning and 163.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.52 ms. Allocated memory is still 209.7 MB. Free memory was 163.7 MB in the beginning and 192.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.51 ms. Allocated memory is still 209.7 MB. Free memory was 192.4 MB in the beginning and 191.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 309.82 ms. Allocated memory is still 209.7 MB. Free memory was 191.4 MB in the beginning and 173.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3520.80 ms. Allocated memory was 209.7 MB in the beginning and 254.8 MB in the end (delta: 45.1 MB). Free memory was 173.2 MB in the beginning and 172.3 MB in the end (delta: 870.5 kB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; VAL [counter=0] [L23] 0 int val = 0; VAL [counter=0] [L25] 0 pthread_t first_thread_id; VAL [counter=0] [L26] 0 pthread_t second_thread_id; VAL [counter=0] [L27] 0 pthread_t third_thread_id; VAL [counter=0] [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, n={6:0}] [L16] 1 int *x = (int *)n; VAL [counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 1 ++counter VAL [++counter=1, counter=0, n={6:0}, n={6:0}, x={6:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [++counter=1, counter=0, n={6:0}, n={6:0}, x={6:0}] [L16] 2 int *x = (int *)n; VAL [++counter=1, counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] 2 ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 1 *x = ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L33] 0 \read(first_thread_id) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L18] 1 return 0; VAL [++counter=1, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [++counter=1, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [++counter=1, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 3 int *x = (int *)n; VAL [++counter=1, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 3 ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L17] 2 *x = ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L18] 2 return 0; VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 3 ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 3 *x = ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 3 return 0; 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] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 93 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 39.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 3296.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1818.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 83.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 91 SDtfs, 385 SDslu, 506 SDs, 0 SdLazy, 1074 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 413.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1129.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2112occurred in iteration=2, InterpolantAutomatonStates: 42, 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: 22.3ms SsaConstructionTime, 205.0ms SatisfiabilityAnalysisTime, 956.4ms InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 1373 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...