/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-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 11:32:50,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 11:32:50,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 11:32:50,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 11:32:50,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 11:32:50,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 11:32:50,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 11:32:50,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 11:32:50,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 11:32:50,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 11:32:50,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 11:32:50,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 11:32:50,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 11:32:50,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 11:32:50,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 11:32:50,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 11:32:50,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 11:32:50,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 11:32:50,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 11:32:50,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 11:32:50,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 11:32:50,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 11:32:50,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 11:32:50,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 11:32:50,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-29 11:32:50,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-29 11:32:50,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-29 11:32:50,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-29 11:32:50,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-29 11:32:50,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-29 11:32:50,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-29 11:32:50,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-29 11:32:50,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-29 11:32:50,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-29 11:32:50,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-29 11:32:50,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-29 11:32:50,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-29 11:32:50,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-29 11:32:50,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 11:32:50,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 11:32:50,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 11:32:50,662 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-MCRwithoutDepranks.epf [2022-01-29 11:32:50,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 11:32:50,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 11:32:50,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 11:32:50,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 11:32:50,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 11:32:50,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 11:32:50,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 11:32:50,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 11:32:50,680 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 11:32:50,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 11:32:50,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 11:32:50,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 11:32:50,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 11:32:50,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 11:32:50,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 11:32:50,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 11:32:50,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 11:32:50,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:32:50,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 11:32:50,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 11:32:50,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 11:32:50,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 11:32:50,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 11:32:50,684 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 11:32:50,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 11:32:50,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 11:32:50,684 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-01-29 11:32:50,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 11:32:50,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 11:32:50,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 11:32:50,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 11:32:50,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 11:32:50,934 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 11:32:50,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-01-29 11:32:50,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d1d3c36/634205c10d084e078cc06f03f0ce0185/FLAGd88781ee0 [2022-01-29 11:32:51,422 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 11:32:51,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-01-29 11:32:51,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d1d3c36/634205c10d084e078cc06f03f0ce0185/FLAGd88781ee0 [2022-01-29 11:32:51,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d1d3c36/634205c10d084e078cc06f03f0ce0185 [2022-01-29 11:32:51,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 11:32:51,806 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 11:32:51,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 11:32:51,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 11:32:51,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 11:32:51,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:32:51" (1/1) ... [2022-01-29 11:32:51,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621ba1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:51, skipping insertion in model container [2022-01-29 11:32:51,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:32:51" (1/1) ... [2022-01-29 11:32:51,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 11:32:51,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 11:32:51,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2022-01-29 11:32:52,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:32:52,132 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 11:32:52,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2022-01-29 11:32:52,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:32:52,199 INFO L208 MainTranslator]: Completed translation [2022-01-29 11:32:52,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52 WrapperNode [2022-01-29 11:32:52,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 11:32:52,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 11:32:52,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 11:32:52,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 11:32:52,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,257 INFO L137 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2022-01-29 11:32:52,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 11:32:52,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 11:32:52,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 11:32:52,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 11:32:52,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 11:32:52,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 11:32:52,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 11:32:52,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 11:32:52,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (1/1) ... [2022-01-29 11:32:52,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:32:52,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:32:52,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-29 11:32:52,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-29 11:32:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-29 11:32:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 11:32:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-29 11:32:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 11:32:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 11:32:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-29 11:32:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-29 11:32:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 11:32:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 11:32:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 11:32:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 11:32:52,386 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 11:32:52,507 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 11:32:52,508 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 11:32:52,631 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 11:32:52,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 11:32:52,636 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 11:32:52,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:32:52 BoogieIcfgContainer [2022-01-29 11:32:52,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 11:32:52,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 11:32:52,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 11:32:52,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 11:32:52,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:32:51" (1/3) ... [2022-01-29 11:32:52,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b20d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:32:52, skipping insertion in model container [2022-01-29 11:32:52,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:32:52" (2/3) ... [2022-01-29 11:32:52,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b20d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:32:52, skipping insertion in model container [2022-01-29 11:32:52,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:32:52" (3/3) ... [2022-01-29 11:32:52,643 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2022-01-29 11:32:52,646 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 11:32:52,646 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 11:32:52,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-29 11:32:52,647 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 11:32:52,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,666 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,666 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,668 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,669 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,669 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,669 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,669 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,669 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,669 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,678 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,678 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,679 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:32:52,682 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-29 11:32:52,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 11:32:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:32:52,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-29 11:32:52,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-29 11:32:52,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 11:32:52,736 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-29 11:32:52,736 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-29 11:32:52,791 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 11:32:52,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 11:32:52,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1283893648, now seen corresponding path program 1 times [2022-01-29 11:32:52,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 11:32:52,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852401722] [2022-01-29 11:32:52,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 11:32:52,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 11:32:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 11:32:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 11:32:52,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 11:32:52,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852401722] [2022-01-29 11:32:52,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852401722] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 11:32:52,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 11:32:52,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-29 11:32:52,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769648688] [2022-01-29 11:32:52,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 11:32:52,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-29 11:32:52,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 11:32:53,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-29 11:32:53,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-29 11:32:53,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:32:53,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 11:32:53,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-01-29 11:32:53,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:33:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 11:33:11,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 11:33:11,816 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 11:33:11,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 11:33:11,816 INFO L85 PathProgramCache]: Analyzing trace with hash -479425025, now seen corresponding path program 1 times [2022-01-29 11:33:11,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 11:33:11,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711542417] [2022-01-29 11:33:11,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 11:33:11,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 11:33:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 11:33:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 11:33:11,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 11:33:11,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711542417] [2022-01-29 11:33:11,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711542417] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 11:33:11,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 11:33:11,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-29 11:33:11,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659587881] [2022-01-29 11:33:11,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 11:33:11,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-29 11:33:11,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 11:33:11,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-29 11:33:11,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-29 11:33:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:33:11,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 11:33:11,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-01-29 11:33:11,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 11:33:11,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:34:05,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 11:34:05,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 11:34:06,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-29 11:34:06,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-29 11:34:06,003 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-01-29 11:34:06,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 11:34:06,009 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-29 11:34:06,010 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 11:34:06,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 11:34:06,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:34:06 BasicIcfg [2022-01-29 11:34:06,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 11:34:06,013 INFO L158 Benchmark]: Toolchain (without parser) took 74207.14ms. Allocated memory was 187.7MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 134.7MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. [2022-01-29 11:34:06,014 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory was 152.5MB in the beginning and 152.3MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 11:34:06,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.62ms. Allocated memory was 187.7MB in the beginning and 246.4MB in the end (delta: 58.7MB). Free memory was 134.5MB in the beginning and 210.4MB in the end (delta: -75.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-29 11:34:06,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.30ms. Allocated memory is still 246.4MB. Free memory was 210.4MB in the beginning and 208.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 11:34:06,015 INFO L158 Benchmark]: Boogie Preprocessor took 26.92ms. Allocated memory is still 246.4MB. Free memory was 208.1MB in the beginning and 207.3MB in the end (delta: 802.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 11:34:06,016 INFO L158 Benchmark]: RCFGBuilder took 351.69ms. Allocated memory is still 246.4MB. Free memory was 206.8MB in the beginning and 194.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-29 11:34:06,016 INFO L158 Benchmark]: TraceAbstraction took 73373.95ms. Allocated memory was 246.4MB in the beginning and 7.0GB in the end (delta: 6.7GB). Free memory was 194.2MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. [2022-01-29 11:34:06,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory was 152.5MB in the beginning and 152.3MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 385.62ms. Allocated memory was 187.7MB in the beginning and 246.4MB in the end (delta: 58.7MB). Free memory was 134.5MB in the beginning and 210.4MB in the end (delta: -75.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.30ms. Allocated memory is still 246.4MB. Free memory was 210.4MB in the beginning and 208.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.92ms. Allocated memory is still 246.4MB. Free memory was 208.1MB in the beginning and 207.3MB in the end (delta: 802.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 351.69ms. Allocated memory is still 246.4MB. Free memory was 206.8MB in the beginning and 194.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 73373.95ms. Allocated memory was 246.4MB in the beginning and 7.0GB in the end (delta: 6.7GB). Free memory was 194.2MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 73.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 73.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-29 11:34:06,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-01-29 11:34:06,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...