/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 03:58:49,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 03:58:49,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 03:58:49,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 03:58:49,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 03:58:49,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 03:58:49,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 03:58:49,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 03:58:49,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 03:58:49,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 03:58:49,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 03:58:49,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 03:58:49,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 03:58:49,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 03:58:49,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 03:58:49,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 03:58:49,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 03:58:49,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 03:58:49,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 03:58:49,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 03:58:49,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 03:58:49,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 03:58:49,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 03:58:49,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 03:58:49,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 03:58:49,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 03:58:49,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 03:58:49,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 03:58:49,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 03:58:49,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 03:58:49,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 03:58:49,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 03:58:49,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 03:58:49,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 03:58:49,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 03:58:49,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 03:58:49,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 03:58:49,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 03:58:49,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 03:58:49,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 03:58:49,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 03:58:49,824 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 03:58:49,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 03:58:49,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 03:58:49,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 03:58:49,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 03:58:49,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 03:58:49,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 03:58:49,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 03:58:49,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 03:58:49,850 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 03:58:49,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 03:58:49,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 03:58:49,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 03:58:49,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 03:58:49,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:58:49,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 03:58:49,852 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 03:58:49,853 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 03:58:49,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 03:58:50,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 03:58:50,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 03:58:50,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 03:58:50,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 03:58:50,054 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 03:58:50,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2022-03-04 03:58:50,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db08c2c79/ac570443a5344f53a9f7b2d3d3cf490c/FLAGae3e5930d [2022-03-04 03:58:50,476 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 03:58:50,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2022-03-04 03:58:50,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db08c2c79/ac570443a5344f53a9f7b2d3d3cf490c/FLAGae3e5930d [2022-03-04 03:58:50,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db08c2c79/ac570443a5344f53a9f7b2d3d3cf490c [2022-03-04 03:58:50,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 03:58:50,922 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 03:58:50,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 03:58:50,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 03:58:50,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 03:58:50,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:58:50" (1/1) ... [2022-03-04 03:58:50,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68074614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:50, skipping insertion in model container [2022-03-04 03:58:50,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:58:50" (1/1) ... [2022-03-04 03:58:50,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 03:58:50,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 03:58:51,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2022-03-04 03:58:51,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:58:51,152 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 03:58:51,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2022-03-04 03:58:51,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:58:51,193 INFO L208 MainTranslator]: Completed translation [2022-03-04 03:58:51,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51 WrapperNode [2022-03-04 03:58:51,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 03:58:51,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 03:58:51,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 03:58:51,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 03:58:51,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,226 INFO L137 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-03-04 03:58:51,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 03:58:51,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 03:58:51,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 03:58:51,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 03:58:51,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 03:58:51,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 03:58:51,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 03:58:51,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 03:58:51,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (1/1) ... [2022-03-04 03:58:51,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:58:51,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:58:51,263 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) [2022-03-04 03:58:51,267 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 [2022-03-04 03:58:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 03:58:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 03:58:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 03:58:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 03:58:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 03:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 03:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 03:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 03:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-04 03:58:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-04 03:58:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 03:58:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 03:58:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 03:58:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 03:58:51,298 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 03:58:51,370 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 03:58:51,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 03:58:51,556 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 03:58:51,588 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 03:58:51,588 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-04 03:58:51,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:58:51 BoogieIcfgContainer [2022-03-04 03:58:51,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 03:58:51,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 03:58:51,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 03:58:51,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 03:58:51,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:58:50" (1/3) ... [2022-03-04 03:58:51,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccb39a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:58:51, skipping insertion in model container [2022-03-04 03:58:51,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:58:51" (2/3) ... [2022-03-04 03:58:51,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccb39a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:58:51, skipping insertion in model container [2022-03-04 03:58:51,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:58:51" (3/3) ... [2022-03-04 03:58:51,596 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2022-03-04 03:58:51,599 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 03:58:51,599 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 03:58:51,600 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 03:58:51,600 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 03:58:51,623 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,623 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,623 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,623 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,624 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,624 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,626 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,626 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,626 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,627 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,627 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,627 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,627 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,627 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,628 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,629 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,631 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,632 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:58:51,634 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-04 03:58:51,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 03:58:51,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:58:51,661 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) [2022-03-04 03:58:51,674 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 [2022-03-04 03:58:51,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 03:58:51,698 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, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 03:58:51,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 03:58:51,748 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 92 transitions and produced 93 states. [2022-03-04 03:58:51,750 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 03:58:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:58:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash 489249638, now seen corresponding path program 1 times [2022-03-04 03:58:51,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:58:51,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418140704] [2022-03-04 03:58:51,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:58:51,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:58:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:58:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:58:51,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:58:51,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418140704] [2022-03-04 03:58:51,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418140704] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:58:51,937 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:58:51,937 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 03:58:51,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145171663] [2022-03-04 03:58:51,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:58:51,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 03:58:51,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:58:51,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 03:58:51,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 03:58:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:58:51,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:58:51,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2022-03-04 03:58:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:58:51,992 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 92 transitions and produced 93 states. [2022-03-04 03:58:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:58:51,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 03:58:51,993 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 03:58:51,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:58:51,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1040236633, now seen corresponding path program 1 times [2022-03-04 03:58:51,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:58:51,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031139155] [2022-03-04 03:58:52,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:58:52,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:58:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:58:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:58:52,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:58:52,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031139155] [2022-03-04 03:58:52,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031139155] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:58:52,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:58:52,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 03:58:52,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000831959] [2022-03-04 03:58:52,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:58:52,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 03:58:52,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:58:52,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 03:58:52,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 03:58:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:58:52,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:58:52,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2022-03-04 03:58:52,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:58:52,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:58:52,377 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 163 transitions and produced 157 states. [2022-03-04 03:58:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:58:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:58:52,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 03:58:52,378 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 03:58:52,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:58:52,379 INFO L85 PathProgramCache]: Analyzing trace with hash -454830297, now seen corresponding path program 1 times [2022-03-04 03:58:52,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:58:52,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917128573] [2022-03-04 03:58:52,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:58:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:58:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:59:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:59:29,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:59:29,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917128573] [2022-03-04 03:59:29,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917128573] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 03:59:29,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251252751] [2022-03-04 03:59:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:59:29,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:59:29,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:59:29,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 03:59:29,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 03:59:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:59:30,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 33 conjunts are in the unsatisfiable core [2022-03-04 03:59:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 03:59:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:59:42,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:01:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:01:27,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251252751] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:01:27,583 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:01:27,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 22] total 50 [2022-03-04 04:01:27,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632744029] [2022-03-04 04:01:27,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:01:27,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-04 04:01:27,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:01:27,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-04 04:01:27,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=2097, Unknown=22, NotChecked=0, Total=2450 [2022-03-04 04:01:27,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:01:27,586 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:01:27,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.16) internal successors, (208), 50 states have internal predecessors, (208), 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) [2022-03-04 04:01:27,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:01:27,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:01:27,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:01:45,178 WARN L228 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 239 DAG size of output: 197 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-04 04:01:48,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:01:50,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:01:59,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:01,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:10,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:13,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:15,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:17,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:19,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:34,745 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse30 (div c_~m~0 4294967296))) (let ((.cse28 (* .cse30 4294967296)) (.cse14 (* (div (+ c_~S~0 c_~T~0) 4294967296) 4294967296))) (let ((.cse24 (+ c_~m~0 .cse14)) (.cse48 (+ c_~S~0 c_~T~0 .cse28)) (.cse46 (+ c_~m~0 .cse14 1)) (.cse38 (div c_~t~0 4294967296))) (let ((.cse23 (* .cse38 4294967296)) (.cse44 (+ c_~m~0 3 .cse14)) (.cse12 (+ c_~m~0 .cse14 4)) (.cse42 (+ c_~m~0 2 .cse14)) (.cse41 (+ c_~s~0 4294967295)) (.cse33 (mod c_~s~0 4294967296)) (.cse18 (< .cse48 .cse46)) (.cse21 (<= .cse24 .cse48))) (let ((.cse19 (and .cse18 .cse21)) (.cse2 (< 0 .cse33)) (.cse1 (< 0 (mod .cse41 4294967296))) (.cse3 (let ((.cse47 (+ c_~S~0 c_~T~0 (* (div (+ c_~m~0 1) 4294967296) 4294967296)))) (and (<= .cse46 .cse47) (< .cse47 .cse42)))) (.cse5 (let ((.cse45 (+ (* (div (+ c_~m~0 3) 4294967296) 4294967296) c_~S~0 c_~T~0))) (and (<= .cse44 .cse45) (< .cse45 .cse12)))) (.cse0 (let ((.cse43 (+ c_~S~0 c_~T~0 (* (div (+ c_~m~0 2) 4294967296) 4294967296)))) (and (<= .cse42 .cse43) (< .cse43 .cse44)))) (.cse4 (< 0 (mod (+ c_~s~0 4294967294) 4294967296))) (.cse16 (< 0 (mod (+ c_~t~0 4294967295) 4294967296))) (.cse29 (<= (+ c_~s~0 .cse23 1) .cse14)) (.cse31 (+ c_~s~0 1)) (.cse15 (* c_~s~0 (- 1))) (.cse17 (* (div c_~s~0 4294967296) 4294967296)) (.cse27 (<= c_~t~0 .cse23)) (.cse25 (+ c_~s~0 c_~m~0))) (and (< 0 (mod c_~S~0 4294967296)) (< 0 (mod c_~t~0 4294967296)) (or (let ((.cse8 (+ c_~m~0 6 .cse14)) (.cse9 (+ c_~m~0 5 .cse14)) (.cse7 (+ 7 c_~m~0 .cse14))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse4 .cse5) (or (< 0 (mod (+ c_~s~0 4294967291) 4294967296)) (let ((.cse6 (+ c_~S~0 c_~T~0 (* (div (+ c_~m~0 6) 4294967296) 4294967296)))) (and (< .cse6 .cse7) (<= .cse8 .cse6)))) (or (< 0 (mod (+ c_~s~0 4294967292) 4294967296)) (let ((.cse10 (+ (* (div (+ c_~m~0 5) 4294967296) 4294967296) c_~S~0 c_~T~0))) (and (<= .cse9 .cse10) (< .cse10 .cse8)))) (or (let ((.cse11 (+ (* (div (+ c_~m~0 4) 4294967296) 4294967296) c_~S~0 c_~T~0))) (and (< .cse11 .cse9) (<= .cse12 .cse11))) (< 0 (mod (+ c_~s~0 4294967293) 4294967296))) (or (let ((.cse13 (+ c_~S~0 c_~T~0 (* (div (+ 7 c_~m~0) 4294967296) 4294967296)))) (and (<= .cse7 .cse13) (< .cse13 (+ c_~m~0 8 .cse14)))) (< (div (+ 5 .cse15) (- 4294967296)) (+ (div (+ c_~s~0 (- 7)) 4294967296) 2))))) .cse16) (<= c_~s~0 (+ 4294967294 .cse17)) .cse18 (let ((.cse26 (+ c_~S~0 1))) (let ((.cse20 (<= .cse30 0)) (.cse22 (<= .cse26 .cse25))) (or .cse19 (and .cse20 .cse21 (or (and (<= (+ c_~s~0 6) c_~S~0) .cse22) (<= (+ c_~S~0 .cse23 1) .cse24))) (and (<= .cse25 .cse26) .cse22) .cse27 (<= (+ c_~S~0 4294967297 .cse28 .cse23) .cse24) (and .cse29 .cse20 .cse22)))) (or (and (or .cse19 .cse2) (or .cse1 .cse3) (or .cse5 (< (div (+ 2 .cse15) (- 4294967296)) (+ 2 (div (+ c_~s~0 (- 4)) 4294967296)))) (or .cse0 .cse4)) .cse16) (let ((.cse32 (+ (- 1) c_~S~0))) (or (and (or (and (= c_~m~0 2) (= .cse31 .cse32)) (and (= .cse31 c_~S~0) (= c_~m~0 1))) (<= .cse33 0)) (and (< 0 (mod .cse31 4294967296)) (< 0 (mod (+ c_~S~0 4294967295) 4294967296)) (= (+ c_~s~0 2) .cse32) (= (+ (- 1) c_~m~0) 2)))) (let ((.cse35 (<= c_~m~0 2)) (.cse37 (<= c_~m~0 3)) (.cse39 (<= (+ c_~s~0 2 .cse23) .cse14)) (.cse34 (<= c_~S~0 .cse25)) (.cse40 (<= .cse25 c_~S~0)) (.cse36 (<= (* (div .cse41 4294967296) 4294967296) c_~s~0))) (or (and .cse29 .cse34 .cse35 .cse36) (and (or (and .cse37 .cse36) (and .cse34 (<= (+ c_~s~0 4) c_~S~0))) (<= c_~m~0 4) (<= c_~s~0 (+ 4294967294 (* (div (+ c_~s~0 (* .cse38 (- 4294967296)) c_~m~0 (* (- 1) c_~S~0) .cse14) 4294967296) 4294967296))) (<= (+ c_~S~0 (* 4294967296 (div .cse31 4294967296))) (+ c_~s~0 c_~m~0 (* (div (+ c_~S~0 .cse15 (* (- 1) c_~m~0) .cse17) 4294967296) 4294967296)))) (and (<= c_~s~0 (+ (* (div (+ c_~s~0 (- 4294967294)) 4294967296) 4294967296) 4294967294)) .cse34 .cse35 .cse39) (and .cse37 .cse34 .cse40 .cse39) .cse27 (and .cse34 .cse40 .cse36))) .cse21 (= c_~t~0 c_~T~0))))))) is different from false [2022-03-04 04:02:36,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:39,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:41,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:51,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:53,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:02:56,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:03:08,197 WARN L228 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 150 DAG size of output: 141 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-04 04:03:46,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-04 04:03:57,343 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 211 transitions and produced 193 states. [2022-03-04 04:03:57,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:03:57,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:03:57,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:03:57,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 04:03:57,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-04 04:03:57,544 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 04:03:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:03:57,545 INFO L85 PathProgramCache]: Analyzing trace with hash 198508573, now seen corresponding path program 2 times [2022-03-04 04:03:57,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:03:57,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142403777] [2022-03-04 04:03:57,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:03:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:03:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:09:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:09:29,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:09:29,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142403777] [2022-03-04 04:09:29,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142403777] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:09:29,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396858365] [2022-03-04 04:09:29,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 04:09:29,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:09:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:09:29,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:09:29,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 04:09:31,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 04:09:31,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:09:31,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-04 04:09:31,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:11:06,921 WARN L228 SmtUtils]: Spent 9.56s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-04 04:11:18,514 WARN L228 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-04 04:12:49,817 WARN L228 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 181 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-04 04:13:11,114 WARN L228 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-04 04:13:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:13:22,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-04 04:13:28,067 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 04:13:28,068 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 04:13:28,070 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 04:13:28,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-04 04:13:28,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 04:13:28,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:13:28,844 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 108 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. [2022-03-04 04:13:28,846 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-04 04:13:28,846 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-04 04:13:28,853 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-03-04 04:13:28,855 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 04:13:28,855 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 04:13:28,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:13:28 BasicIcfg [2022-03-04 04:13:28,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 04:13:28,857 INFO L158 Benchmark]: Toolchain (without parser) took 877935.08ms. Allocated memory was 216.0MB in the beginning and 830.5MB in the end (delta: 614.5MB). Free memory was 162.7MB in the beginning and 429.3MB in the end (delta: -266.6MB). Peak memory consumption was 348.4MB. Max. memory is 8.0GB. [2022-03-04 04:13:28,857 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 216.0MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 04:13:28,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.18ms. Allocated memory is still 216.0MB. Free memory was 162.5MB in the beginning and 188.3MB in the end (delta: -25.8MB). Peak memory consumption was 5.8MB. Max. memory is 8.0GB. [2022-03-04 04:13:28,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.95ms. Allocated memory is still 216.0MB. Free memory was 188.3MB in the beginning and 186.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 04:13:28,858 INFO L158 Benchmark]: Boogie Preprocessor took 14.07ms. Allocated memory is still 216.0MB. Free memory was 186.5MB in the beginning and 185.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 04:13:28,858 INFO L158 Benchmark]: RCFGBuilder took 348.46ms. Allocated memory is still 216.0MB. Free memory was 185.4MB in the beginning and 172.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-04 04:13:28,858 INFO L158 Benchmark]: TraceAbstraction took 877263.98ms. Allocated memory was 216.0MB in the beginning and 830.5MB in the end (delta: 614.5MB). Free memory was 171.5MB in the beginning and 429.3MB in the end (delta: -257.8MB). Peak memory consumption was 356.2MB. Max. memory is 8.0GB. [2022-03-04 04:13:28,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 216.0MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 269.18ms. Allocated memory is still 216.0MB. Free memory was 162.5MB in the beginning and 188.3MB in the end (delta: -25.8MB). Peak memory consumption was 5.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.95ms. Allocated memory is still 216.0MB. Free memory was 188.3MB in the beginning and 186.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.07ms. Allocated memory is still 216.0MB. Free memory was 186.5MB in the beginning and 185.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 348.46ms. Allocated memory is still 216.0MB. Free memory was 185.4MB in the beginning and 172.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 877263.98ms. Allocated memory was 216.0MB in the beginning and 830.5MB in the end (delta: 614.5MB). Free memory was 171.5MB in the beginning and 429.3MB in the end (delta: -257.8MB). Peak memory consumption was 356.2MB. 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 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 108 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 108 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 108 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 100 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 877.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 150.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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, 1.7s SatisfiabilityAnalysisTime, 153.7s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 392 ConstructedInterpolants, 0 QuantifiedInterpolants, 23348 SizeOfPredicates, 16 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/213 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 could not prove your program: Timeout Completed graceful shutdown