/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 17:08:30,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 17:08:30,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 17:08:30,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 17:08:30,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 17:08:30,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 17:08:30,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 17:08:30,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-08-12 17:08:30,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 17:08:30,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 17:08:30,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-12 17:08:30,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-12 17:08:30,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 17:08:30,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 17:08:30,234 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 17:08:30,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 17:08:30,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 17:08:30,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 17:08:30,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 17:08:30,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 17:08:30,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 17:08:30,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 17:08:30,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 17:08:30,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 17:08:30,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 17:08:30,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 17:08:30,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 17:08:30,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 17:08:30,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 17:08:30,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 17:08:30,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 17:08:30,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 17:08:30,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 17:08:30,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 17:08:30,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 17:08:30,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 17:08:30,238 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 17:08:30,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 17:08:30,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 17:08:30,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 17:08:30,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 17:08:30,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 17:08:30,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 17:08:30,620 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 17:08:30,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i [2021-08-12 17:08:30,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fb71813/6d38e3519b4e4bff89afba1aadf8ddd3/FLAG6f0f61d55 [2021-08-12 17:08:31,222 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 17:08:31,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i [2021-08-12 17:08:31,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fb71813/6d38e3519b4e4bff89afba1aadf8ddd3/FLAG6f0f61d55 [2021-08-12 17:08:31,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fb71813/6d38e3519b4e4bff89afba1aadf8ddd3 [2021-08-12 17:08:31,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 17:08:31,526 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 17:08:31,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 17:08:31,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 17:08:31,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 17:08:31,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 05:08:31" (1/1) ... [2021-08-12 17:08:31,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b488382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:31, skipping insertion in model container [2021-08-12 17:08:31,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 05:08:31" (1/1) ... [2021-08-12 17:08:31,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 17:08:31,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 17:08:31,718 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i[948,961] [2021-08-12 17:08:31,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 17:08:31,951 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 17:08:31,965 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i[948,961] [2021-08-12 17:08:32,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 17:08:32,138 INFO L208 MainTranslator]: Completed translation [2021-08-12 17:08:32,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32 WrapperNode [2021-08-12 17:08:32,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 17:08:32,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 17:08:32,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 17:08:32,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 17:08:32,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 17:08:32,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 17:08:32,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 17:08:32,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 17:08:32,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (1/1) ... [2021-08-12 17:08:32,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 17:08:32,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 17:08:32,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 17:08:32,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 17:08:32,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (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 [2021-08-12 17:08:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 17:08:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 17:08:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 17:08:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 17:08:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-12 17:08:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-12 17:08:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-12 17:08:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-12 17:08:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 17:08:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 17:08:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 17:08:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 17:08:32,377 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 17:08:33,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 17:08:33,969 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-12 17:08:33,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 05:08:33 BoogieIcfgContainer [2021-08-12 17:08:33,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 17:08:33,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 17:08:33,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 17:08:33,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 17:08:33,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 05:08:31" (1/3) ... [2021-08-12 17:08:33,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209ecf79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 05:08:33, skipping insertion in model container [2021-08-12 17:08:33,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:08:32" (2/3) ... [2021-08-12 17:08:33,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209ecf79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 05:08:33, skipping insertion in model container [2021-08-12 17:08:33,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 05:08:33" (3/3) ... [2021-08-12 17:08:33,981 INFO L111 eAbstractionObserver]: Analyzing ICFG mix054_tso.opt.i [2021-08-12 17:08:33,987 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 17:08:33,988 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-12 17:08:33,989 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 17:08:34,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,021 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,021 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,021 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,021 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,026 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,026 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,026 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,031 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,031 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,031 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,031 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,032 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,035 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,036 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:08:34,037 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 17:08:34,056 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-12 17:08:34,074 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 17:08:34,074 INFO L379 AbstractCegarLoop]: Hoare is true [2021-08-12 17:08:34,075 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 17:08:34,075 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 17:08:34,075 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 17:08:34,075 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 17:08:34,075 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 17:08:34,075 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 17:08:34,084 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 86 transitions, 182 flow [2021-08-12 17:08:34,165 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1892 states, 1888 states have (on average 2.7478813559322033) internal successors, (5188), 1891 states have internal predecessors, (5188), 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) [2021-08-12 17:08:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 1892 states, 1888 states have (on average 2.7478813559322033) internal successors, (5188), 1891 states have internal predecessors, (5188), 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) [2021-08-12 17:08:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-08-12 17:08:34,185 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:34,186 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:34,186 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:34,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1107007031, now seen corresponding path program 1 times [2021-08-12 17:08:34,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:34,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122104513] [2021-08-12 17:08:34,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:08:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:08:34,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:08:34,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122104513] [2021-08-12 17:08:34,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122104513] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:08:34,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:08:34,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 17:08:34,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074462814] [2021-08-12 17:08:34,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 17:08:34,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:08:34,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 17:08:34,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 17:08:34,468 INFO L87 Difference]: Start difference. First operand has 1892 states, 1888 states have (on average 2.7478813559322033) internal successors, (5188), 1891 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:08:34,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:08:34,666 INFO L93 Difference]: Finished difference Result 2916 states and 8132 transitions. [2021-08-12 17:08:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 17:08:34,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-08-12 17:08:34,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:08:34,689 INFO L225 Difference]: With dead ends: 2916 [2021-08-12 17:08:34,689 INFO L226 Difference]: Without dead ends: 1052 [2021-08-12 17:08:34,697 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 17:08:34,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2021-08-12 17:08:34,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2021-08-12 17:08:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 2.5851569933396763) internal successors, (2717), 1051 states have internal predecessors, (2717), 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) [2021-08-12 17:08:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 2717 transitions. [2021-08-12 17:08:34,815 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 2717 transitions. Word has length 45 [2021-08-12 17:08:34,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:08:34,816 INFO L482 AbstractCegarLoop]: Abstraction has 1052 states and 2717 transitions. [2021-08-12 17:08:34,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:08:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 2717 transitions. [2021-08-12 17:08:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-12 17:08:34,827 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:34,827 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:34,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 17:08:34,828 INFO L430 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:34,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:34,833 INFO L82 PathProgramCache]: Analyzing trace with hash 850422234, now seen corresponding path program 1 times [2021-08-12 17:08:34,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:34,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964264527] [2021-08-12 17:08:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:08:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:08:35,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:08:35,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964264527] [2021-08-12 17:08:35,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964264527] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:08:35,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:08:35,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-12 17:08:35,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497352345] [2021-08-12 17:08:35,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 17:08:35,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:08:35,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 17:08:35,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-12 17:08:35,231 INFO L87 Difference]: Start difference. First operand 1052 states and 2717 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 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) [2021-08-12 17:08:35,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:08:35,632 INFO L93 Difference]: Finished difference Result 1406 states and 3625 transitions. [2021-08-12 17:08:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 17:08:35,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-08-12 17:08:35,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:08:35,642 INFO L225 Difference]: With dead ends: 1406 [2021-08-12 17:08:35,643 INFO L226 Difference]: Without dead ends: 1022 [2021-08-12 17:08:35,645 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 203.4ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-08-12 17:08:35,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2021-08-12 17:08:35,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1016. [2021-08-12 17:08:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 1015 states have (on average 2.5704433497536945) internal successors, (2609), 1015 states have internal predecessors, (2609), 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) [2021-08-12 17:08:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 2609 transitions. [2021-08-12 17:08:35,682 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 2609 transitions. Word has length 57 [2021-08-12 17:08:35,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:08:35,682 INFO L482 AbstractCegarLoop]: Abstraction has 1016 states and 2609 transitions. [2021-08-12 17:08:35,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 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) [2021-08-12 17:08:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 2609 transitions. [2021-08-12 17:08:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-08-12 17:08:35,687 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:35,687 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:35,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 17:08:35,688 INFO L430 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:35,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:35,688 INFO L82 PathProgramCache]: Analyzing trace with hash -90438852, now seen corresponding path program 1 times [2021-08-12 17:08:35,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:35,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16021699] [2021-08-12 17:08:35,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:08:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:08:35,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:08:35,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16021699] [2021-08-12 17:08:35,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16021699] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:08:35,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:08:35,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-12 17:08:35,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138484304] [2021-08-12 17:08:35,977 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 17:08:35,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:08:35,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 17:08:35,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-08-12 17:08:35,978 INFO L87 Difference]: Start difference. First operand 1016 states and 2609 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 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) [2021-08-12 17:08:36,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:08:36,220 INFO L93 Difference]: Finished difference Result 1268 states and 3239 transitions. [2021-08-12 17:08:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 17:08:36,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-08-12 17:08:36,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:08:36,248 INFO L225 Difference]: With dead ends: 1268 [2021-08-12 17:08:36,248 INFO L226 Difference]: Without dead ends: 980 [2021-08-12 17:08:36,250 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 165.4ms TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-08-12 17:08:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-08-12 17:08:36,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2021-08-12 17:08:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 979 states have (on average 2.5546475995914197) internal successors, (2501), 979 states have internal predecessors, (2501), 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) [2021-08-12 17:08:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 2501 transitions. [2021-08-12 17:08:36,282 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 2501 transitions. Word has length 59 [2021-08-12 17:08:36,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:08:36,283 INFO L482 AbstractCegarLoop]: Abstraction has 980 states and 2501 transitions. [2021-08-12 17:08:36,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 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) [2021-08-12 17:08:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 2501 transitions. [2021-08-12 17:08:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-12 17:08:36,286 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:36,286 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:36,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 17:08:36,286 INFO L430 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:36,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:36,287 INFO L82 PathProgramCache]: Analyzing trace with hash 478617231, now seen corresponding path program 1 times [2021-08-12 17:08:36,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:36,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147221224] [2021-08-12 17:08:36,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:08:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:08:36,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:08:36,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147221224] [2021-08-12 17:08:36,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147221224] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:08:36,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:08:36,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-12 17:08:36,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924890412] [2021-08-12 17:08:36,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 17:08:36,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:08:36,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 17:08:36,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-08-12 17:08:36,521 INFO L87 Difference]: Start difference. First operand 980 states and 2501 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2021-08-12 17:08:36,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:08:36,772 INFO L93 Difference]: Finished difference Result 1160 states and 2945 transitions. [2021-08-12 17:08:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 17:08:36,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-08-12 17:08:36,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:08:36,780 INFO L225 Difference]: With dead ends: 1160 [2021-08-12 17:08:36,780 INFO L226 Difference]: Without dead ends: 920 [2021-08-12 17:08:36,781 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 150.5ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-08-12 17:08:36,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-08-12 17:08:36,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2021-08-12 17:08:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 919 states have (on average 2.5386289445048966) internal successors, (2333), 919 states have internal predecessors, (2333), 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) [2021-08-12 17:08:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 2333 transitions. [2021-08-12 17:08:36,811 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 2333 transitions. Word has length 60 [2021-08-12 17:08:36,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:08:36,813 INFO L482 AbstractCegarLoop]: Abstraction has 920 states and 2333 transitions. [2021-08-12 17:08:36,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2021-08-12 17:08:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 2333 transitions. [2021-08-12 17:08:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-12 17:08:36,817 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:36,817 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:36,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 17:08:36,817 INFO L430 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:36,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:36,818 INFO L82 PathProgramCache]: Analyzing trace with hash -689472709, now seen corresponding path program 1 times [2021-08-12 17:08:36,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:36,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043348371] [2021-08-12 17:08:36,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:08:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:08:36,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:08:36,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043348371] [2021-08-12 17:08:36,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043348371] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:08:36,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:08:36,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 17:08:36,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137633646] [2021-08-12 17:08:36,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 17:08:36,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:08:36,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 17:08:36,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 17:08:36,996 INFO L87 Difference]: Start difference. First operand 920 states and 2333 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-08-12 17:08:37,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:08:37,134 INFO L93 Difference]: Finished difference Result 1352 states and 3410 transitions. [2021-08-12 17:08:37,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 17:08:37,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-08-12 17:08:37,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:08:37,142 INFO L225 Difference]: With dead ends: 1352 [2021-08-12 17:08:37,142 INFO L226 Difference]: Without dead ends: 716 [2021-08-12 17:08:37,144 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 86.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-12 17:08:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-08-12 17:08:37,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2021-08-12 17:08:37,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 2.406993006993007) internal successors, (1721), 715 states have internal predecessors, (1721), 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) [2021-08-12 17:08:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1721 transitions. [2021-08-12 17:08:37,170 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1721 transitions. Word has length 61 [2021-08-12 17:08:37,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:08:37,172 INFO L482 AbstractCegarLoop]: Abstraction has 716 states and 1721 transitions. [2021-08-12 17:08:37,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-08-12 17:08:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1721 transitions. [2021-08-12 17:08:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-08-12 17:08:37,174 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:37,174 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:37,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 17:08:37,174 INFO L430 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:37,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:37,174 INFO L82 PathProgramCache]: Analyzing trace with hash 918046913, now seen corresponding path program 1 times [2021-08-12 17:08:37,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:37,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174849743] [2021-08-12 17:08:37,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:08:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:08:37,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:08:37,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174849743] [2021-08-12 17:08:37,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174849743] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:08:37,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:08:37,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 17:08:37,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858029804] [2021-08-12 17:08:37,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 17:08:37,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:08:37,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 17:08:37,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-12 17:08:37,321 INFO L87 Difference]: Start difference. First operand 716 states and 1721 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-08-12 17:08:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:08:37,458 INFO L93 Difference]: Finished difference Result 824 states and 1964 transitions. [2021-08-12 17:08:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 17:08:37,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-08-12 17:08:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:08:37,463 INFO L225 Difference]: With dead ends: 824 [2021-08-12 17:08:37,463 INFO L226 Difference]: Without dead ends: 392 [2021-08-12 17:08:37,464 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 96.4ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-08-12 17:08:37,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-08-12 17:08:37,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2021-08-12 17:08:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 2.1918158567774935) internal successors, (857), 391 states have internal predecessors, (857), 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) [2021-08-12 17:08:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 857 transitions. [2021-08-12 17:08:37,479 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 857 transitions. Word has length 62 [2021-08-12 17:08:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:08:37,480 INFO L482 AbstractCegarLoop]: Abstraction has 392 states and 857 transitions. [2021-08-12 17:08:37,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-08-12 17:08:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 857 transitions. [2021-08-12 17:08:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-08-12 17:08:37,481 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:37,481 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:37,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 17:08:37,481 INFO L430 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:37,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:37,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1532837683, now seen corresponding path program 1 times [2021-08-12 17:08:37,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:37,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505935227] [2021-08-12 17:08:37,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:08:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:08:37,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:08:37,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505935227] [2021-08-12 17:08:37,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505935227] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:08:37,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:08:37,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 17:08:37,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056862023] [2021-08-12 17:08:37,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 17:08:37,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:08:37,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 17:08:37,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-12 17:08:37,602 INFO L87 Difference]: Start difference. First operand 392 states and 857 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-12 17:08:37,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:08:37,703 INFO L93 Difference]: Finished difference Result 590 states and 1316 transitions. [2021-08-12 17:08:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 17:08:37,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-08-12 17:08:37,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:08:37,708 INFO L225 Difference]: With dead ends: 590 [2021-08-12 17:08:37,708 INFO L226 Difference]: Without dead ends: 296 [2021-08-12 17:08:37,709 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 80.0ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-12 17:08:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-08-12 17:08:37,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-08-12 17:08:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 295 states have (on average 2.1322033898305084) internal successors, (629), 295 states have internal predecessors, (629), 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) [2021-08-12 17:08:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 629 transitions. [2021-08-12 17:08:37,722 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 629 transitions. Word has length 67 [2021-08-12 17:08:37,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:08:37,722 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 629 transitions. [2021-08-12 17:08:37,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-12 17:08:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 629 transitions. [2021-08-12 17:08:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-08-12 17:08:37,724 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:08:37,724 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 17:08:37,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-12 17:08:37,724 INFO L430 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:08:37,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:08:37,725 INFO L82 PathProgramCache]: Analyzing trace with hash -982303539, now seen corresponding path program 2 times [2021-08-12 17:08:37,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:08:37,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939755600] [2021-08-12 17:08:37,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:08:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 17:08:37,759 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 17:08:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 17:08:37,800 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 17:08:37,829 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-12 17:08:37,830 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-12 17:08:37,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-12 17:08:37,832 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 17:08:37,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 05:08:37 BasicIcfg [2021-08-12 17:08:37,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 17:08:37,934 INFO L168 Benchmark]: Toolchain (without parser) took 6406.27 ms. Allocated memory was 172.0 MB in the beginning and 290.5 MB in the end (delta: 118.5 MB). Free memory was 135.7 MB in the beginning and 176.0 MB in the end (delta: -40.3 MB). Peak memory consumption was 79.0 MB. Max. memory is 8.0 GB. [2021-08-12 17:08:37,934 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 172.0 MB. Free memory is still 153.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 17:08:37,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.02 ms. Allocated memory is still 172.0 MB. Free memory was 135.5 MB in the beginning and 135.9 MB in the end (delta: -377.0 kB). Peak memory consumption was 22.6 MB. Max. memory is 8.0 GB. [2021-08-12 17:08:37,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.90 ms. Allocated memory is still 172.0 MB. Free memory was 135.9 MB in the beginning and 132.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-12 17:08:37,936 INFO L168 Benchmark]: Boogie Preprocessor took 56.87 ms. Allocated memory is still 172.0 MB. Free memory was 132.7 MB in the beginning and 130.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 17:08:37,936 INFO L168 Benchmark]: RCFGBuilder took 1693.57 ms. Allocated memory was 172.0 MB in the beginning and 206.6 MB in the end (delta: 34.6 MB). Free memory was 130.6 MB in the beginning and 134.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 72.3 MB. Max. memory is 8.0 GB. [2021-08-12 17:08:37,937 INFO L168 Benchmark]: TraceAbstraction took 3958.76 ms. Allocated memory was 206.6 MB in the beginning and 290.5 MB in the end (delta: 83.9 MB). Free memory was 133.8 MB in the beginning and 176.0 MB in the end (delta: -42.2 MB). Peak memory consumption was 41.7 MB. Max. memory is 8.0 GB. [2021-08-12 17:08:37,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 172.0 MB. Free memory is still 153.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 612.02 ms. Allocated memory is still 172.0 MB. Free memory was 135.5 MB in the beginning and 135.9 MB in the end (delta: -377.0 kB). Peak memory consumption was 22.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.90 ms. Allocated memory is still 172.0 MB. Free memory was 135.9 MB in the beginning and 132.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.87 ms. Allocated memory is still 172.0 MB. Free memory was 132.7 MB in the beginning and 130.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1693.57 ms. Allocated memory was 172.0 MB in the beginning and 206.6 MB in the end (delta: 34.6 MB). Free memory was 130.6 MB in the beginning and 134.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 72.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3958.76 ms. Allocated memory was 206.6 MB in the beginning and 290.5 MB in the end (delta: 83.9 MB). Free memory was 133.8 MB in the beginning and 176.0 MB in the end (delta: -42.2 MB). Peak memory consumption was 41.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L711] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L712] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L714] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L715] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L716] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L717] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L718] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L719] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L720] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L721] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L722] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L723] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L724] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L725] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L726] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L727] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L728] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L730] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L731] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L732] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L792] 0 pthread_t t1455; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L793] FCALL, FORK 0 pthread_create(&t1455, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L794] 0 pthread_t t1456; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L795] FCALL, FORK 0 pthread_create(&t1456, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L756] 2 x$w_buff1 = x$w_buff0 [L757] 2 x$w_buff0 = 2 [L758] 2 x$w_buff1_used = x$w_buff0_used [L759] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L761] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L762] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L763] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L764] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L767] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L736] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L739] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L742] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L742] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L743] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L744] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L745] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L745] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L746] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L770] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L771] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L772] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L772] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L773] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L773] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L774] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L774] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L797] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L801] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L801] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L802] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L802] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L803] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L803] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L804] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L804] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L805] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L805] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L808] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 0 x$flush_delayed = weak$$choice2 [L811] 0 x$mem_tmp = x [L812] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L812] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L813] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L813] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L814] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L814] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L815] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L815] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L816] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L817] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L818] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L818] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L819] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) [L820] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L820] 0 x = x$flush_delayed ? x$mem_tmp : x [L821] 0 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 104 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3758.6ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 35.9ms, AutomataDifference: 1597.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 95.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 674 SDtfs, 915 SDslu, 2225 SDs, 0 SdLazy, 347 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 382.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 791.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1892occurred in iteration=0, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 241.8ms AutomataMinimizationTime, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 44.1ms SsaConstructionTime, 426.8ms SatisfiabilityAnalysisTime, 1023.6ms InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 1820 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...