./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix031.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix031.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5191c614040da54c6fe77b0fb4d91d943009a345a9252a69568f58113a0aaaf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:07:56,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:56,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:07:56,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:56,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:56,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:56,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:56,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:56,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:07:56,205 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:07:56,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:56,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:56,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:56,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:56,208 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:56,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:56,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:56,210 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:07:56,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:07:56,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:07:56,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:56,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:56,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:56,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:56,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:07:56,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:07:56,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:07:56,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:56,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:56,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:56,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:56,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:07:56,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:56,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:56,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:56,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:56,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:56,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:07:56,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:07:56,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:56,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:56,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:56,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:56,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:56,223 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5191c614040da54c6fe77b0fb4d91d943009a345a9252a69568f58113a0aaaf [2023-11-21 22:07:56,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:56,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:56,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:56,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:56,601 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:56,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-wmm/mix031.oepc.i [2023-11-21 22:07:59,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:59,923 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:59,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/sv-benchmarks/c/pthread-wmm/mix031.oepc.i [2023-11-21 22:07:59,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/data/2cf3523b8/e6d9eafde85e4a00a986a862d00c5c2e/FLAG031d9594e [2023-11-21 22:07:59,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/data/2cf3523b8/e6d9eafde85e4a00a986a862d00c5c2e [2023-11-21 22:07:59,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:59,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:59,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:59,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:59,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:59,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:59" (1/1) ... [2023-11-21 22:07:59,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc129d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:59, skipping insertion in model container [2023-11-21 22:07:59,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:59" (1/1) ... [2023-11-21 22:08:00,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:00,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:00,564 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:00,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:00,724 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:00,724 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:00,732 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:00,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00 WrapperNode [2023-11-21 22:08:00,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:00,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:00,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:00,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:00,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,829 INFO L138 Inliner]: procedures = 175, calls = 50, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 130 [2023-11-21 22:08:00,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:00,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:00,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:00,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:00,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,869 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,891 INFO L187 HeapSplitter]: Split 4 memory accesses to 3 slices as follows [2, 1, 1] [2023-11-21 22:08:00,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:00,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:00,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:00,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:00,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (1/1) ... [2023-11-21 22:08:00,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:00,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:00,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:01,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:08:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:08:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:08:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:08:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:08:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:08:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 22:08:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 22:08:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 22:08:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 22:08:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:08:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:08:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:08:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:08:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:01,038 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:08:01,250 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:01,253 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:01,590 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:01,911 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:01,911 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:08:01,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:01 BoogieIcfgContainer [2023-11-21 22:08:01,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:01,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:08:01,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:08:01,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:08:01,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:59" (1/3) ... [2023-11-21 22:08:01,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6589f03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:01, skipping insertion in model container [2023-11-21 22:08:01,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:00" (2/3) ... [2023-11-21 22:08:01,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6589f03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:01, skipping insertion in model container [2023-11-21 22:08:01,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:01" (3/3) ... [2023-11-21 22:08:01,926 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031.oepc.i [2023-11-21 22:08:01,936 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:08:01,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:08:01,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-21 22:08:01,948 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:08:02,007 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 22:08:02,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 32 transitions, 72 flow [2023-11-21 22:08:02,096 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-21 22:08:02,096 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:08:02,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-21 22:08:02,100 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 32 transitions, 72 flow [2023-11-21 22:08:02,105 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 30 transitions, 66 flow [2023-11-21 22:08:02,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:08:02,138 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=true, mAutomataTypeConcurrency=PETRI_NET, 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;@3f514f20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:08:02,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-21 22:08:02,161 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:08:02,161 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2023-11-21 22:08:02,161 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:08:02,162 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:08:02,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:02,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-21 22:08:02,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:02,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1803612648, now seen corresponding path program 1 times [2023-11-21 22:08:02,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:02,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361243495] [2023-11-21 22:08:02,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:02,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:02,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:02,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361243495] [2023-11-21 22:08:02,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361243495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:02,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:02,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:08:02,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445352524] [2023-11-21 22:08:02,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:02,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:02,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:02,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:08:02,735 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32 [2023-11-21 22:08:02,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-21 22:08:02,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:08:02,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32 [2023-11-21 22:08:02,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:08:03,063 INFO L124 PetriNetUnfolderBase]: 236/440 cut-off events. [2023-11-21 22:08:03,064 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 22:08:03,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 440 events. 236/440 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2081 event pairs, 86 based on Foata normal form. 0/387 useless extension candidates. Maximal degree in co-relation 858. Up to 305 conditions per place. [2023-11-21 22:08:03,077 INFO L140 encePairwiseOnDemand]: 25/32 looper letters, 27 selfloop transitions, 3 changer transitions 2/42 dead transitions. [2023-11-21 22:08:03,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 42 transitions, 157 flow [2023-11-21 22:08:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:08:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2023-11-21 22:08:03,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.75 [2023-11-21 22:08:03,093 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 72 transitions. [2023-11-21 22:08:03,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 72 transitions. [2023-11-21 22:08:03,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:08:03,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 72 transitions. [2023-11-21 22:08:03,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-11-21 22:08:03,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2023-11-21 22:08:03,108 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2023-11-21 22:08:03,110 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 66 flow. Second operand 3 states and 72 transitions. [2023-11-21 22:08:03,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 42 transitions, 157 flow [2023-11-21 22:08:03,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 42 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:08:03,117 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 81 flow [2023-11-21 22:08:03,119 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2023-11-21 22:08:03,124 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-11-21 22:08:03,124 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 81 flow [2023-11-21 22:08:03,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-21 22:08:03,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:08:03,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:03,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:08:03,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-21 22:08:03,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:03,126 INFO L85 PathProgramCache]: Analyzing trace with hash -69107901, now seen corresponding path program 1 times [2023-11-21 22:08:03,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:03,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569376422] [2023-11-21 22:08:03,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:03,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:03,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:03,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569376422] [2023-11-21 22:08:03,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569376422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:03,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:03,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:03,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79218448] [2023-11-21 22:08:03,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:03,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:08:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:03,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:08:03,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:08:03,426 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32 [2023-11-21 22:08:03,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 81 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2023-11-21 22:08:03,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:08:03,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32 [2023-11-21 22:08:03,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:08:03,645 INFO L124 PetriNetUnfolderBase]: 174/338 cut-off events. [2023-11-21 22:08:03,645 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-21 22:08:03,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 338 events. 174/338 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1628 event pairs, 66 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 738. Up to 202 conditions per place. [2023-11-21 22:08:03,651 INFO L140 encePairwiseOnDemand]: 27/32 looper letters, 25 selfloop transitions, 3 changer transitions 0/38 dead transitions. [2023-11-21 22:08:03,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 38 transitions, 151 flow [2023-11-21 22:08:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:08:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 22:08:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 78 transitions. [2023-11-21 22:08:03,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.609375 [2023-11-21 22:08:03,678 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 78 transitions. [2023-11-21 22:08:03,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 78 transitions. [2023-11-21 22:08:03,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:08:03,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 78 transitions. [2023-11-21 22:08:03,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2023-11-21 22:08:03,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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) [2023-11-21 22:08:03,682 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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) [2023-11-21 22:08:03,682 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 81 flow. Second operand 4 states and 78 transitions. [2023-11-21 22:08:03,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 38 transitions, 151 flow [2023-11-21 22:08:03,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 38 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:08:03,686 INFO L231 Difference]: Finished difference. Result has 38 places, 28 transitions, 76 flow [2023-11-21 22:08:03,686 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=76, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2023-11-21 22:08:03,687 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-11-21 22:08:03,687 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 76 flow [2023-11-21 22:08:03,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2023-11-21 22:08:03,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:08:03,688 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:03,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:08:03,689 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-21 22:08:03,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:03,690 INFO L85 PathProgramCache]: Analyzing trace with hash -69107900, now seen corresponding path program 1 times [2023-11-21 22:08:03,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:03,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992181253] [2023-11-21 22:08:03,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:03,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:03,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:03,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992181253] [2023-11-21 22:08:03,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992181253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:03,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:03,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:08:03,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564804533] [2023-11-21 22:08:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:03,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:08:03,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:03,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:08:03,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:08:03,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32 [2023-11-21 22:08:03,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2023-11-21 22:08:03,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:08:03,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32 [2023-11-21 22:08:03,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:08:03,997 INFO L124 PetriNetUnfolderBase]: 148/292 cut-off events. [2023-11-21 22:08:03,997 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2023-11-21 22:08:04,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 292 events. 148/292 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1418 event pairs, 56 based on Foata normal form. 20/299 useless extension candidates. Maximal degree in co-relation 626. Up to 156 conditions per place. [2023-11-21 22:08:04,000 INFO L140 encePairwiseOnDemand]: 27/32 looper letters, 0 selfloop transitions, 0 changer transitions 36/36 dead transitions. [2023-11-21 22:08:04,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 36 transitions, 142 flow [2023-11-21 22:08:04,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:08:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 22:08:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 76 transitions. [2023-11-21 22:08:04,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.59375 [2023-11-21 22:08:04,005 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 76 transitions. [2023-11-21 22:08:04,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 76 transitions. [2023-11-21 22:08:04,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:08:04,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 76 transitions. [2023-11-21 22:08:04,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2023-11-21 22:08:04,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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) [2023-11-21 22:08:04,010 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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) [2023-11-21 22:08:04,010 INFO L175 Difference]: Start difference. First operand has 38 places, 28 transitions, 76 flow. Second operand 4 states and 76 transitions. [2023-11-21 22:08:04,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 36 transitions, 142 flow [2023-11-21 22:08:04,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 36 transitions, 135 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-21 22:08:04,012 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2023-11-21 22:08:04,013 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2023-11-21 22:08:04,014 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-11-21 22:08:04,015 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow [2023-11-21 22:08:04,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2023-11-21 22:08:04,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-21 22:08:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-21 22:08:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-21 22:08:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-21 22:08:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-21 22:08:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-21 22:08:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-21 22:08:04,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-21 22:08:04,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-21 22:08:04,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-21 22:08:04,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:08:04,029 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 22:08:04,036 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:08:04,036 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:08:04,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:08:04 BasicIcfg [2023-11-21 22:08:04,045 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:08:04,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:08:04,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:08:04,046 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:08:04,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:01" (3/4) ... [2023-11-21 22:08:04,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:08:04,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-21 22:08:04,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-21 22:08:04,056 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-11-21 22:08:04,056 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-21 22:08:04,056 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:08:04,057 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:08:04,151 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:08:04,152 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:08:04,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:08:04,153 INFO L158 Benchmark]: Toolchain (without parser) took 4186.86ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 108.4MB in the beginning and 81.9MB in the end (delta: 26.5MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2023-11-21 22:08:04,153 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:04,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.53ms. Allocated memory is still 146.8MB. Free memory was 108.4MB in the beginning and 85.2MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 22:08:04,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.44ms. Allocated memory is still 146.8MB. Free memory was 85.2MB in the beginning and 82.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:04,154 INFO L158 Benchmark]: Boogie Preprocessor took 108.06ms. Allocated memory is still 146.8MB. Free memory was 82.6MB in the beginning and 79.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:08:04,154 INFO L158 Benchmark]: RCFGBuilder took 974.77ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 75.5MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:08:04,155 INFO L158 Benchmark]: TraceAbstraction took 2127.89ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 74.7MB in the beginning and 86.1MB in the end (delta: -11.4MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-21 22:08:04,155 INFO L158 Benchmark]: Witness Printer took 106.49ms. Allocated memory is still 176.2MB. Free memory was 86.1MB in the beginning and 81.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:04,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.53ms. Allocated memory is still 146.8MB. Free memory was 108.4MB in the beginning and 85.2MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.44ms. Allocated memory is still 146.8MB. Free memory was 85.2MB in the beginning and 82.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.06ms. Allocated memory is still 146.8MB. Free memory was 82.6MB in the beginning and 79.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 974.77ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 75.5MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2127.89ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 74.7MB in the beginning and 86.1MB in the end (delta: -11.4MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 106.49ms. Allocated memory is still 176.2MB. Free memory was 86.1MB in the beginning and 81.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 812]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 812]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 57 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=1, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:08:04,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d65021-20e9-419e-bf7c-7e66e38c9c6e/bin/uautomizer-verify-bycVGegfSx/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