/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-17 03:24:47,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-17 03:24:47,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-17 03:24:47,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-17 03:24:47,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-17 03:24:47,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-17 03:24:47,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-17 03:24:47,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-17 03:24:47,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-17 03:24:47,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-17 03:24:47,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-17 03:24:47,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-17 03:24:47,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-17 03:24:47,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-17 03:24:47,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-17 03:24:47,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-17 03:24:47,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-17 03:24:47,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-17 03:24:47,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-17 03:24:47,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-17 03:24:47,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-17 03:24:47,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-17 03:24:47,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-17 03:24:47,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-17 03:24:47,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-17 03:24:47,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-17 03:24:47,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-17 03:24:47,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-17 03:24:47,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-17 03:24:47,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-17 03:24:47,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-17 03:24:47,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-17 03:24:47,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-17 03:24:47,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-17 03:24:47,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-17 03:24:47,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-17 03:24:47,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-02-17 03:24:47,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-17 03:24:47,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-17 03:24:47,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-17 03:24:47,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-17 03:24:47,270 INFO L138 SettingsManager]: * Use SBE=true [2021-02-17 03:24:47,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-17 03:24:47,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-17 03:24:47,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-17 03:24:47,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-17 03:24:47,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-17 03:24:47,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-17 03:24:47,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-17 03:24:47,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-17 03:24:47,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-17 03:24:47,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-17 03:24:47,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-17 03:24:47,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-17 03:24:47,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-17 03:24:47,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-17 03:24:47,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-17 03:24:47,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-17 03:24:47,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-17 03:24:47,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-17 03:24:47,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-17 03:24:47,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-17 03:24:47,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-17 03:24:47,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-17 03:24:47,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-17 03:24:47,279 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-17 03:24:47,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-17 03:24:47,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-17 03:24:47,279 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-17 03:24:47,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-17 03:24:47,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-17 03:24:47,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-17 03:24:47,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-17 03:24:47,702 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-17 03:24:47,704 INFO L275 PluginConnector]: CDTParser initialized [2021-02-17 03:24:47,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2021-02-17 03:24:47,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcddc44da/54b73fb731f64bada4b2fe0846803e97/FLAG7da6ee5cc [2021-02-17 03:24:48,645 INFO L306 CDTParser]: Found 1 translation units. [2021-02-17 03:24:48,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2021-02-17 03:24:48,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcddc44da/54b73fb731f64bada4b2fe0846803e97/FLAG7da6ee5cc [2021-02-17 03:24:48,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcddc44da/54b73fb731f64bada4b2fe0846803e97 [2021-02-17 03:24:48,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-17 03:24:48,907 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-17 03:24:48,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-17 03:24:48,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-17 03:24:48,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-17 03:24:48,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:24:48" (1/1) ... [2021-02-17 03:24:48,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418c6e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:48, skipping insertion in model container [2021-02-17 03:24:48,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:24:48" (1/1) ... [2021-02-17 03:24:48,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-17 03:24:48,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-17 03:24:49,178 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i[949,962] [2021-02-17 03:24:49,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:24:49,534 INFO L203 MainTranslator]: Completed pre-run [2021-02-17 03:24:49,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i[949,962] [2021-02-17 03:24:49,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:24:49,695 INFO L208 MainTranslator]: Completed translation [2021-02-17 03:24:49,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49 WrapperNode [2021-02-17 03:24:49,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-17 03:24:49,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-17 03:24:49,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-17 03:24:49,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-17 03:24:49,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-17 03:24:49,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-17 03:24:49,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-17 03:24:49,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-17 03:24:49,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (1/1) ... [2021-02-17 03:24:49,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-17 03:24:49,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-17 03:24:49,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-17 03:24:49,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-17 03:24:49,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (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 [2021-02-17 03:24:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-17 03:24:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-17 03:24:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-17 03:24:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-17 03:24:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-17 03:24:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-17 03:24:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-17 03:24:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-17 03:24:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-17 03:24:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-17 03:24:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-17 03:24:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-17 03:24:49,975 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-17 03:24:50,482 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-17 03:24:50,483 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-17 03:24:50,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:24:50 BoogieIcfgContainer [2021-02-17 03:24:50,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-17 03:24:50,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-17 03:24:50,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-17 03:24:50,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-17 03:24:50,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 03:24:48" (1/3) ... [2021-02-17 03:24:50,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b3213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:24:50, skipping insertion in model container [2021-02-17 03:24:50,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:24:49" (2/3) ... [2021-02-17 03:24:50,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b3213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:24:50, skipping insertion in model container [2021-02-17 03:24:50,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:24:50" (3/3) ... [2021-02-17 03:24:50,494 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.opt.i [2021-02-17 03:24:50,501 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-17 03:24:50,501 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-17 03:24:50,506 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-17 03:24:50,507 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-17 03:24:50,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,537 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,537 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,538 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,538 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,540 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,540 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,541 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,541 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,545 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,545 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,552 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,552 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:24:50,554 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-17 03:24:50,576 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-02-17 03:24:50,615 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-17 03:24:50,615 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-17 03:24:50,615 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-17 03:24:50,615 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-17 03:24:50,616 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-17 03:24:50,616 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-17 03:24:50,616 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-17 03:24:50,616 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-17 03:24:50,668 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:24:50,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:24:50,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1557185342, now seen corresponding path program 1 times [2021-02-17 03:24:50,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:24:50,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135585412] [2021-02-17 03:24:50,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:24:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:24:50,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:50,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:50,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:50,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:24:50,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135585412] [2021-02-17 03:24:50,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:24:50,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-17 03:24:50,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681609069] [2021-02-17 03:24:50,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-02-17 03:24:50,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:24:50,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-02-17 03:24:50,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-02-17 03:24:50,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:50,971 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:24:50,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:24:50,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:51,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:51,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-17 03:24:51,066 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:24:51,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:24:51,067 INFO L82 PathProgramCache]: Analyzing trace with hash 961263734, now seen corresponding path program 1 times [2021-02-17 03:24:51,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:24:51,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618189838] [2021-02-17 03:24:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:24:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:24:51,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:51,257 WARN L141 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-02-17 03:24:51,259 WARN L147 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size 9 [2021-02-17 03:24:51,288 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:24:51,291 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:24:51,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:24:51,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:24:51,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:24:51,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618189838] [2021-02-17 03:24:51,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:24:51,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-17 03:24:51,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662015802] [2021-02-17 03:24:51,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-17 03:24:51,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:24:51,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-17 03:24:51,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-17 03:24:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:51,432 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:24:51,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:24:51,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:51,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:24:51,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-17 03:24:51,764 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:24:51,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:24:51,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1242071118, now seen corresponding path program 2 times [2021-02-17 03:24:51,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:24:51,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541183300] [2021-02-17 03:24:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:24:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:24:51,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:51,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:24:51,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:24:51,893 WARN L141 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size [2021-02-17 03:24:51,896 WARN L147 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size 29 [2021-02-17 03:24:51,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:51,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-17 03:24:51,982 WARN L141 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-02-17 03:24:51,986 WARN L147 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size 9 [2021-02-17 03:24:52,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:52,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:24:52,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541183300] [2021-02-17 03:24:52,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:24:52,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:24:52,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470036639] [2021-02-17 03:24:52,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:24:52,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:24:52,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:24:52,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:24:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:52,016 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:24:52,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:24:52,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:24:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:24:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:24:52,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-17 03:24:52,628 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:24:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:24:52,629 INFO L82 PathProgramCache]: Analyzing trace with hash -312047082, now seen corresponding path program 3 times [2021-02-17 03:24:52,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:24:52,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786510162] [2021-02-17 03:24:52,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:24:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:24:52,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:52,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:52,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:52,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:24:52,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:52,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:24:52,781 WARN L141 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-02-17 03:24:52,783 WARN L147 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size 9 [2021-02-17 03:24:52,810 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:24:52,815 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:24:52,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:52,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:24:52,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:52,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:24:52,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:24:52,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:24:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:24:52,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786510162] [2021-02-17 03:24:52,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:24:52,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-17 03:24:52,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722329047] [2021-02-17 03:24:52,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-17 03:24:52,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:24:52,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-17 03:24:52,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-17 03:24:52,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:52,901 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:24:52,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:24:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:24:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:24:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:24:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:24:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:24:53,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-17 03:24:53,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-17 03:24:53,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 03:24:53 BasicIcfg [2021-02-17 03:24:53,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-17 03:24:53,279 INFO L168 Benchmark]: Toolchain (without parser) took 4393.71 ms. Allocated memory was 314.6 MB in the beginning and 379.6 MB in the end (delta: 65.0 MB). Free memory was 290.3 MB in the beginning and 311.0 MB in the end (delta: -20.7 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.0 GB. [2021-02-17 03:24:53,279 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 314.6 MB. Free memory is still 284.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:24:53,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.49 ms. Allocated memory is still 314.6 MB. Free memory was 289.3 MB in the beginning and 258.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-02-17 03:24:53,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.81 ms. Allocated memory is still 314.6 MB. Free memory was 258.8 MB in the beginning and 297.4 MB in the end (delta: -38.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. [2021-02-17 03:24:53,282 INFO L168 Benchmark]: Boogie Preprocessor took 42.52 ms. Allocated memory is still 314.6 MB. Free memory was 297.4 MB in the beginning and 296.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:24:53,282 INFO L168 Benchmark]: RCFGBuilder took 632.58 ms. Allocated memory is still 314.6 MB. Free memory was 296.0 MB in the beginning and 275.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-02-17 03:24:53,283 INFO L168 Benchmark]: TraceAbstraction took 2790.57 ms. Allocated memory was 314.6 MB in the beginning and 379.6 MB in the end (delta: 65.0 MB). Free memory was 274.0 MB in the beginning and 311.0 MB in the end (delta: -37.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. [2021-02-17 03:24:53,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 314.6 MB. Free memory is still 284.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 787.49 ms. Allocated memory is still 314.6 MB. Free memory was 289.3 MB in the beginning and 258.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 110.81 ms. Allocated memory is still 314.6 MB. Free memory was 258.8 MB in the beginning and 297.4 MB in the end (delta: -38.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.52 ms. Allocated memory is still 314.6 MB. Free memory was 297.4 MB in the beginning and 296.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 632.58 ms. Allocated memory is still 314.6 MB. Free memory was 296.0 MB in the beginning and 275.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2790.57 ms. Allocated memory was 314.6 MB in the beginning and 379.6 MB in the end (delta: 65.0 MB). Free memory was 274.0 MB in the beginning and 311.0 MB in the end (delta: -37.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 24436 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...