./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-chromosome-opt-symm.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-chromosome-opt-symm.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 02:23:43,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 02:23:43,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 02:23:43,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 02:23:43,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 02:23:43,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 02:23:43,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 02:23:43,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 02:23:43,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 02:23:43,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 02:23:43,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 02:23:43,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 02:23:43,235 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 02:23:43,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 02:23:43,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 02:23:43,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 02:23:43,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 02:23:43,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 02:23:43,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 02:23:43,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 02:23:43,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 02:23:43,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 02:23:43,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 02:23:43,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 02:23:43,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 02:23:43,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 02:23:43,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 02:23:43,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 02:23:43,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 02:23:43,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 02:23:43,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:23:43,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 02:23:43,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 02:23:43,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 02:23:43,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 02:23:43,251 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 02:23:43,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 02:23:43,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 02:23:43,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 02:23:43,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 02:23:43,252 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 02:23:43,253 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 02:23:43,253 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 02:23:43,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 02:23:43,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 02:23:43,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 02:23:43,559 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 02:23:43,559 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 02:23:43,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-chromosome-opt-symm.wvr.yml/witness.yml [2024-08-23 02:23:43,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 02:23:43,642 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 02:23:43,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-08-23 02:23:45,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 02:23:45,236 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 02:23:45,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-08-23 02:23:45,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc0115c11/374514bf28214099bbfa80222720dbe2/FLAG03f85294e [2024-08-23 02:23:45,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc0115c11/374514bf28214099bbfa80222720dbe2 [2024-08-23 02:23:45,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 02:23:45,599 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 02:23:45,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 02:23:45,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 02:23:45,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 02:23:45,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:23:43" (1/2) ... [2024-08-23 02:23:45,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c644a4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:23:45, skipping insertion in model container [2024-08-23 02:23:45,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:23:43" (1/2) ... [2024-08-23 02:23:45,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@777b4af3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:23:45, skipping insertion in model container [2024-08-23 02:23:45,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:23:45" (2/2) ... [2024-08-23 02:23:45,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c644a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45, skipping insertion in model container [2024-08-23 02:23:45,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:23:45" (2/2) ... [2024-08-23 02:23:45,608 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 02:23:45,626 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 02:23:45,627 INFO L97 edCorrectnessWitness]: Location invariant before [L88-L88] (! multithreaded || ((res2 == -1 || res2 == 0) || res2 == 1)) && (! multithreaded || ((res1 == -1 || res1 == 0) || res1 == 1)) [2024-08-23 02:23:45,628 INFO L97 edCorrectnessWitness]: Location invariant before [L89-L89] (! multithreaded || ((res2 == -1 || res2 == 0) || res2 == 1)) && (! multithreaded || ((res1 == -1 || res1 == 0) || res1 == 1)) [2024-08-23 02:23:45,628 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 02:23:45,628 INFO L106 edCorrectnessWitness]: ghost_update [L87-L87] multithreaded = 1; [2024-08-23 02:23:45,653 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 02:23:45,841 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:23:45,855 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 02:23:45,940 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:23:45,962 INFO L206 MainTranslator]: Completed translation [2024-08-23 02:23:45,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45 WrapperNode [2024-08-23 02:23:45,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 02:23:45,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 02:23:45,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 02:23:45,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 02:23:45,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:45,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,020 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 176 [2024-08-23 02:23:46,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 02:23:46,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 02:23:46,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 02:23:46,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 02:23:46,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 02:23:46,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 02:23:46,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 02:23:46,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 02:23:46,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (1/1) ... [2024-08-23 02:23:46,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:23:46,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:23:46,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-23 02:23:46,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-23 02:23:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 02:23:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 02:23:46,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 02:23:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 02:23:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 02:23:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 02:23:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 02:23:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-23 02:23:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 02:23:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 02:23:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 02:23:46,131 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 02:23:46,272 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 02:23:46,274 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 02:23:46,571 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 02:23:46,571 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 02:23:46,809 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 02:23:46,809 INFO L319 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-23 02:23:46,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:23:46 BoogieIcfgContainer [2024-08-23 02:23:46,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 02:23:46,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 02:23:46,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 02:23:46,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 02:23:46,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:23:43" (1/4) ... [2024-08-23 02:23:46,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3023bbc9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 02:23:46, skipping insertion in model container [2024-08-23 02:23:46,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 02:23:45" (2/4) ... [2024-08-23 02:23:46,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3023bbc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:23:46, skipping insertion in model container [2024-08-23 02:23:46,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:23:45" (3/4) ... [2024-08-23 02:23:46,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3023bbc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:23:46, skipping insertion in model container [2024-08-23 02:23:46,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:23:46" (4/4) ... [2024-08-23 02:23:46,826 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-08-23 02:23:46,845 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 02:23:46,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-23 02:23:46,846 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 02:23:46,896 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-23 02:23:46,939 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:23:46,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 02:23:46,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:23:46,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 02:23:46,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-23 02:23:46,981 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 02:23:46,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 02:23:46,997 INFO L357 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b255f36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:23:46,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-23 02:23:47,094 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:47,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:47,100 INFO L85 PathProgramCache]: Analyzing trace with hash -492503423, now seen corresponding path program 1 times [2024-08-23 02:23:47,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:47,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089183026] [2024-08-23 02:23:47,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:47,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:23:47,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:47,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089183026] [2024-08-23 02:23:47,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089183026] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:23:47,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:23:47,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-23 02:23:47,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11667991] [2024-08-23 02:23:47,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:23:47,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 02:23:47,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:47,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 02:23:47,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 02:23:47,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:47,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:47,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-08-23 02:23:47,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:47,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 02:23:47,610 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:47,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:47,611 INFO L85 PathProgramCache]: Analyzing trace with hash -783298157, now seen corresponding path program 1 times [2024-08-23 02:23:47,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:47,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753857518] [2024-08-23 02:23:47,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:47,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:23:47,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:47,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753857518] [2024-08-23 02:23:47,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753857518] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:23:47,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:23:47,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 02:23:47,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605045328] [2024-08-23 02:23:47,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:23:47,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 02:23:47,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 02:23:47,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-23 02:23:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:47,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:47,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-08-23 02:23:47,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:47,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:47,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 02:23:47,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:47,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:47,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1517115213, now seen corresponding path program 1 times [2024-08-23 02:23:47,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:47,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091910205] [2024-08-23 02:23:47,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:47,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:23:47,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:47,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091910205] [2024-08-23 02:23:48,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091910205] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:23:48,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:23:48,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 02:23:48,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185671130] [2024-08-23 02:23:48,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:23:48,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 02:23:48,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:48,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 02:23:48,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 02:23:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:48,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:48,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-08-23 02:23:48,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:48,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:48,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:48,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 02:23:48,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:48,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:48,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1360883371, now seen corresponding path program 1 times [2024-08-23 02:23:48,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:48,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208277723] [2024-08-23 02:23:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:48,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 02:23:48,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:48,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208277723] [2024-08-23 02:23:48,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208277723] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:23:48,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756881864] [2024-08-23 02:23:48,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:48,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:23:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:23:48,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:23:48,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 02:23:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:48,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2024-08-23 02:23:48,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:23:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 02:23:48,350 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:23:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 02:23:48,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756881864] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:23:48,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:23:48,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-08-23 02:23:48,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170756784] [2024-08-23 02:23:48,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:23:48,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-23 02:23:48,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:48,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-23 02:23:48,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-08-23 02:23:48,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:48,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:48,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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) [2024-08-23 02:23:48,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:48,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:48,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:48,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:48,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:48,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-23 02:23:48,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:23:48,681 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:48,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:48,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2023370189, now seen corresponding path program 2 times [2024-08-23 02:23:48,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:48,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614024117] [2024-08-23 02:23:48,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:48,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-23 02:23:48,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:48,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614024117] [2024-08-23 02:23:48,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614024117] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:23:48,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491861763] [2024-08-23 02:23:48,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:23:48,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:23:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:23:48,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:23:48,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 02:23:48,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 02:23:48,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:23:48,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2024-08-23 02:23:48,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:23:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-08-23 02:23:49,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:23:49,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491861763] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:23:49,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:23:49,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-08-23 02:23:49,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498583496] [2024-08-23 02:23:49,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:23:49,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 02:23:49,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:49,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 02:23:49,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-08-23 02:23:49,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:49,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:49,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2024-08-23 02:23:49,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:49,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:49,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:49,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:49,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-23 02:23:49,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:23:49,625 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:49,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:49,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1623926578, now seen corresponding path program 1 times [2024-08-23 02:23:49,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:49,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984740104] [2024-08-23 02:23:49,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:49,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-08-23 02:23:49,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:49,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984740104] [2024-08-23 02:23:49,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984740104] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:23:49,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036788705] [2024-08-23 02:23:49,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:49,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:23:49,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:23:49,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:23:49,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-23 02:23:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:49,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 02:23:49,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:23:49,945 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-08-23 02:23:49,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:23:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-08-23 02:23:50,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036788705] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:23:50,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:23:50,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-08-23 02:23:50,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542177185] [2024-08-23 02:23:50,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:23:50,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-23 02:23:50,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:50,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-23 02:23:50,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-08-23 02:23:50,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:50,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:50,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 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) [2024-08-23 02:23:50,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:50,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:50,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:50,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:50,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:50,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-23 02:23:50,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:23:50,392 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:50,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:50,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1912786736, now seen corresponding path program 1 times [2024-08-23 02:23:50,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:50,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342677095] [2024-08-23 02:23:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:50,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-23 02:23:50,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:50,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342677095] [2024-08-23 02:23:50,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342677095] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:23:50,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:23:50,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 02:23:50,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679547412] [2024-08-23 02:23:50,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:23:50,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:23:50,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:50,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:23:50,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-23 02:23:50,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:50,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:50,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-08-23 02:23:50,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:50,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:50,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:50,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:50,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:50,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:23:50,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-23 02:23:50,771 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:50,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:50,772 INFO L85 PathProgramCache]: Analyzing trace with hash 57992781, now seen corresponding path program 1 times [2024-08-23 02:23:50,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:50,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262764889] [2024-08-23 02:23:50,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:50,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-23 02:23:51,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:51,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262764889] [2024-08-23 02:23:51,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262764889] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:23:51,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:23:51,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 02:23:51,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163945149] [2024-08-23 02:23:51,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:23:51,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 02:23:51,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:51,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 02:23:51,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-23 02:23:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:51,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:51,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:23:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:51,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:23:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:51,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-23 02:23:51,454 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:23:51,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:23:51,454 INFO L85 PathProgramCache]: Analyzing trace with hash 833175916, now seen corresponding path program 1 times [2024-08-23 02:23:51,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:23:51,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114452235] [2024-08-23 02:23:51,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:23:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:23:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:23:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-08-23 02:23:51,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:23:51,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114452235] [2024-08-23 02:23:51,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114452235] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:23:51,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:23:51,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 02:23:51,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370930139] [2024-08-23 02:23:51,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:23:51,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:23:51,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:23:51,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:23:51,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-23 02:23:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:51,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:23:51,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-08-23 02:23:51,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:51,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:23:51,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:23:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 02:23:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:23:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:23:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:23:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:23:51,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-23 02:23:51,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-23 02:23:51,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-23 02:23:51,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-23 02:23:51,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-23 02:23:51,976 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2024-08-23 02:23:51,979 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 02:23:51,979 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 02:23:51,983 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-23 02:23:51,984 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-23 02:23:51,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:23:51 BasicIcfg [2024-08-23 02:23:51,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 02:23:51,985 INFO L158 Benchmark]: Toolchain (without parser) took 6386.68ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 128.0MB in the beginning and 181.0MB in the end (delta: -52.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-08-23 02:23:51,986 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 02:23:51,987 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 02:23:51,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.32ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 113.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-23 02:23:51,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.48ms. Allocated memory is still 159.4MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 02:23:51,988 INFO L158 Benchmark]: Boogie Preprocessor took 42.09ms. Allocated memory is still 159.4MB. Free memory was 111.7MB in the beginning and 109.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 02:23:51,988 INFO L158 Benchmark]: RCFGBuilder took 746.23ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 84.2MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-23 02:23:51,989 INFO L158 Benchmark]: TraceAbstraction took 5170.75ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 83.2MB in the beginning and 181.0MB in the end (delta: -97.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 02:23:51,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.32ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 113.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.48ms. Allocated memory is still 159.4MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.09ms. Allocated memory is still 159.4MB. Free memory was 111.7MB in the beginning and 109.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.23ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 84.2MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5170.75ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 83.2MB in the beginning and 181.0MB in the end (delta: -97.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2288, independent: 1949, independent conditional: 1658, independent unconditional: 291, dependent: 339, dependent conditional: 331, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1971, independent: 1949, independent conditional: 1658, independent unconditional: 291, dependent: 22, dependent conditional: 14, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1971, independent: 1949, independent conditional: 1658, independent unconditional: 291, dependent: 22, dependent conditional: 14, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2168, independent: 1949, independent conditional: 120, independent unconditional: 1829, dependent: 219, dependent conditional: 77, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2168, independent: 1949, independent conditional: 120, independent unconditional: 1829, dependent: 219, dependent conditional: 52, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2168, independent: 1949, independent conditional: 120, independent unconditional: 1829, dependent: 219, dependent conditional: 52, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 15, independent unconditional: 265, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, independent: 264, independent conditional: 0, independent unconditional: 264, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 16, independent conditional: 15, independent unconditional: 1, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 16, independent conditional: 15, independent unconditional: 1, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 77, independent conditional: 42, independent unconditional: 35, dependent: 75, dependent conditional: 34, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2168, independent: 1669, independent conditional: 105, independent unconditional: 1564, dependent: 197, dependent conditional: 41, dependent unconditional: 156, unknown: 302, unknown conditional: 26, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 280, Positive conditional cache size: 15, Positive unconditional cache size: 265, Negative cache size: 22, Negative conditional cache size: 11, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 5, Independence queries for same thread: 317 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 48, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 299, independent: 291, independent conditional: 0, independent unconditional: 291, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2288, independent: 1949, independent conditional: 1658, independent unconditional: 291, dependent: 339, dependent conditional: 331, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1971, independent: 1949, independent conditional: 1658, independent unconditional: 291, dependent: 22, dependent conditional: 14, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1971, independent: 1949, independent conditional: 1658, independent unconditional: 291, dependent: 22, dependent conditional: 14, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2168, independent: 1949, independent conditional: 120, independent unconditional: 1829, dependent: 219, dependent conditional: 77, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2168, independent: 1949, independent conditional: 120, independent unconditional: 1829, dependent: 219, dependent conditional: 52, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2168, independent: 1949, independent conditional: 120, independent unconditional: 1829, dependent: 219, dependent conditional: 52, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 15, independent unconditional: 265, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, independent: 264, independent conditional: 0, independent unconditional: 264, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 16, independent conditional: 15, independent unconditional: 1, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 16, independent conditional: 15, independent unconditional: 1, dependent: 22, dependent conditional: 11, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 77, independent conditional: 42, independent unconditional: 35, dependent: 75, dependent conditional: 34, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2168, independent: 1669, independent conditional: 105, independent unconditional: 1564, dependent: 197, dependent conditional: 41, dependent unconditional: 156, unknown: 302, unknown conditional: 26, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 280, Positive conditional cache size: 15, Positive unconditional cache size: 265, Negative cache size: 22, Negative conditional cache size: 11, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 5, Independence queries for same thread: 317 - PositiveResult [Line: 88]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 89]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 281 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 11 NumberOfNonLiveVariables, 581 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 191/225 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! [2024-08-23 02:23:52,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-23 02:23:52,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE