./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c --full-output --preprocessor.use.memory.slicer true --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d2ba6107
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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 --preprocessor.use.memory.slicer true
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-d2ba610-m
[2023-11-21 18:24:12,927 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-21 18:24:12,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2023-11-21 18:24:13,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 18:24:13,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 18:24:13,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 18:24:13,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 18:24:13,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 18:24:13,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 18:24:13,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 18:24:13,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 18:24:13,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-21 18:24:13,034 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-21 18:24:13,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 18:24:13,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-21 18:24:13,036 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-21 18:24:13,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-21 18:24:13,036 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-21 18:24:13,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-21 18:24:13,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 18:24:13,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 18:24:13,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 18:24:13,037 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-21 18:24:13,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-21 18:24:13,038 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-21 18:24:13,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 18:24:13,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-21 18:24:13,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 18:24:13,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-21 18:24:13,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 18:24:13,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 18:24:13,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 18:24:13,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 18:24:13,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-21 18:24:13,054 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2023-11-21 18:24:13,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 18:24:13,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 18:24:13,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-21 18:24:13,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 18:24:13,055 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-21 18:24:13,055 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-21 18:24:13,055 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98
Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true
[2023-11-21 18:24:13,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 18:24:13,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 18:24:13,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 18:24:13,362 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-21 18:24:13,363 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-21 18:24:13,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c
[2023-11-21 18:24:14,324 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-21 18:24:14,497 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-21 18:24:14,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c
[2023-11-21 18:24:14,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/beae7de68/6ecc11ae91254c198792df937f9ffee2/FLAG705936f5f
[2023-11-21 18:24:14,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/beae7de68/6ecc11ae91254c198792df937f9ffee2
[2023-11-21 18:24:14,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 18:24:14,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 18:24:14,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 18:24:14,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 18:24:14,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 18:24:14,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0be30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14, skipping insertion in model container
[2023-11-21 18:24:14,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,540 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-21 18:24:14,698 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094]
[2023-11-21 18:24:14,704 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 18:24:14,711 INFO L202 MainTranslator]: Completed pre-run
[2023-11-21 18:24:14,726 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094]
[2023-11-21 18:24:14,733 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 18:24:14,741 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 18:24:14,742 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 18:24:14,747 INFO L206 MainTranslator]: Completed translation
[2023-11-21 18:24:14,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14 WrapperNode
[2023-11-21 18:24:14,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 18:24:14,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 18:24:14,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 18:24:14,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 18:24:14,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,784 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 189
[2023-11-21 18:24:14,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 18:24:14,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 18:24:14,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 18:24:14,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 18:24:14,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,802 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,817 INFO L193 HeapSplitter]: Split 13 memory accesses to 5 slices as follows [2, 2, 2, 2, 5]
[2023-11-21 18:24:14,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 18:24:14,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 18:24:14,840 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 18:24:14,840 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-21 18:24:14,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (1/1) ...
[2023-11-21 18:24:14,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 18:24:14,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:14,869 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)
[2023-11-21 18:24:14,886 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
[2023-11-21 18:24:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 18:24:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-21 18:24:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-21 18:24:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-21 18:24:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2023-11-21 18:24:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2023-11-21 18:24:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2023-11-21 18:24:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-21 18:24:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-21 18:24:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2023-11-21 18:24:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2023-11-21 18:24:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2023-11-21 18:24:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-11-21 18:24:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-21 18:24:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2023-11-21 18:24:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-21 18:24:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2023-11-21 18:24:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2023-11-21 18:24:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-21 18:24:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-21 18:24:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-11-21 18:24:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2023-11-21 18:24:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2023-11-21 18:24:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-21 18:24:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-21 18:24:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-21 18:24:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 18:24:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 18:24:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-21 18:24:14,914 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 18:24:15,028 INFO L240 CfgBuilder]: Building ICFG
[2023-11-21 18:24:15,029 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-21 18:24:15,287 INFO L281 CfgBuilder]: Performing block encoding
[2023-11-21 18:24:15,453 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-21 18:24:15,463 INFO L308 CfgBuilder]: Removed 3 assume(true) statements.
[2023-11-21 18:24:15,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:24:15 BoogieIcfgContainer
[2023-11-21 18:24:15,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-21 18:24:15,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-21 18:24:15,466 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-21 18:24:15,468 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-21 18:24:15,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:24:14" (1/3) ...
[2023-11-21 18:24:15,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12896704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:24:15, skipping insertion in model container
[2023-11-21 18:24:15,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:14" (2/3) ...
[2023-11-21 18:24:15,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12896704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:24:15, skipping insertion in model container
[2023-11-21 18:24:15,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:24:15" (3/3) ...
[2023-11-21 18:24:15,471 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c
[2023-11-21 18:24:15,478 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-21 18:24:15,485 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-21 18:24:15,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-21 18:24:15,485 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-21 18:24:15,530 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-11-21 18:24:15,569 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-21 18:24:15,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-11-21 18:24:15,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:15,571 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)
[2023-11-21 18:24:15,572 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
[2023-11-21 18:24:15,607 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-11-21 18:24:15,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-11-21 18:24:15,620 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=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;@254ebb2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-21 18:24:15,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-21 18:24:15,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:15,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:15,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1727247273, now seen corresponding path program 1 times
[2023-11-21 18:24:15,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:15,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017071625]
[2023-11-21 18:24:15,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:15,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-21 18:24:16,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:16,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017071625]
[2023-11-21 18:24:16,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017071625] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 18:24:16,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 18:24:16,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-21 18:24:16,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767297860]
[2023-11-21 18:24:16,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 18:24:16,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-21 18:24:16,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:16,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-21 18:24:16,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-21 18:24:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:16,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:16,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 18:24:16,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:16,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-21 18:24:16,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:16,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:16,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2085573941, now seen corresponding path program 2 times
[2023-11-21 18:24:16,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:16,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869206305]
[2023-11-21 18:24:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:16,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:24:16,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:16,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869206305]
[2023-11-21 18:24:16,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869206305] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 18:24:16,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159533429]
[2023-11-21 18:24:16,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-21 18:24:16,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:16,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:16,573 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)
[2023-11-21 18:24:16,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-21 18:24:16,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-21 18:24:16,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 18:24:16,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-21 18:24:16,689 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 18:24:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-21 18:24:16,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-21 18:24:16,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159533429] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 18:24:16,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-21 18:24:16,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2023-11-21 18:24:16,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939738222]
[2023-11-21 18:24:16,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 18:24:16,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-21 18:24:16,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:16,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-21 18:24:16,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-21 18:24:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:16,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:16,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 18:24:16,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:16,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:16,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-21 18:24:17,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-11-21 18:24:17,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:17,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:17,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1620960490, now seen corresponding path program 1 times
[2023-11-21 18:24:17,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:17,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18000055]
[2023-11-21 18:24:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:17,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:24:17,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18000055]
[2023-11-21 18:24:17,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18000055] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 18:24:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40789736]
[2023-11-21 18:24:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:17,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:17,206 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)
[2023-11-21 18:24:17,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-21 18:24:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:17,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-21 18:24:17,296 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 18:24:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:24:17,347 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 18:24:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:24:17,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40789736] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 18:24:17,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 18:24:17,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2023-11-21 18:24:17,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012349355]
[2023-11-21 18:24:17,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 18:24:17,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-21 18:24:17,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:17,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-21 18:24:17,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2023-11-21 18:24:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:17,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:17,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 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 18:24:17,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:17,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:17,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:17,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-21 18:24:17,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:17,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:17,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:17,702 INFO L85 PathProgramCache]: Analyzing trace with hash -102845397, now seen corresponding path program 2 times
[2023-11-21 18:24:17,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:17,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072671110]
[2023-11-21 18:24:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 18:24:17,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072671110]
[2023-11-21 18:24:17,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072671110] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 18:24:17,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 18:24:17,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-21 18:24:17,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780098517]
[2023-11-21 18:24:17,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 18:24:17,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-21 18:24:17,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:17,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-21 18:24:17,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-11-21 18:24:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:17,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:17,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 18:24:17,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:17,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:17,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:17,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:17,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-21 18:24:17,885 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:17,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:17,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1243976206, now seen corresponding path program 1 times
[2023-11-21 18:24:17,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:17,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754062635]
[2023-11-21 18:24:17,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:17,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 18:24:18,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:18,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754062635]
[2023-11-21 18:24:18,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754062635] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 18:24:18,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969571210]
[2023-11-21 18:24:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:18,084 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)
[2023-11-21 18:24:18,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-21 18:24:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:18,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-11-21 18:24:18,210 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 18:24:18,282 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 18:24:18,282 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 18:24:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 18:24:18,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969571210] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 18:24:18,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 18:24:18,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17
[2023-11-21 18:24:18,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314921324]
[2023-11-21 18:24:18,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 18:24:18,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2023-11-21 18:24:18,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:18,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2023-11-21 18:24:18,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272
[2023-11-21 18:24:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:18,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:18,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 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 18:24:18,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:18,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:18,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:18,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:18,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2023-11-21 18:24:18,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-11-21 18:24:18,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:18,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:18,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:18,913 INFO L85 PathProgramCache]: Analyzing trace with hash -847544879, now seen corresponding path program 2 times
[2023-11-21 18:24:18,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:18,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388848269]
[2023-11-21 18:24:18,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:18,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2023-11-21 18:24:23,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:23,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388848269]
[2023-11-21 18:24:23,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388848269] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 18:24:23,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792486700]
[2023-11-21 18:24:23,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-21 18:24:23,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:23,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:23,093 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 18:24:23,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-21 18:24:23,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-21 18:24:23,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 18:24:23,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 47 conjunts are in the unsatisfiable core
[2023-11-21 18:24:23,227 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 18:24:23,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2023-11-21 18:24:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:24:23,973 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 18:24:27,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70
[2023-11-21 18:24:27,508 INFO L349 Elim1Store]: treesize reduction 13, result has 64.9 percent of original size
[2023-11-21 18:24:27,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 163 treesize of output 134
[2023-11-21 18:24:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:24:27,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792486700] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 18:24:27,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 18:24:27,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 44
[2023-11-21 18:24:27,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652399938]
[2023-11-21 18:24:27,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 18:24:27,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states
[2023-11-21 18:24:27,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:27,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants.
[2023-11-21 18:24:27,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1735, Unknown=1, NotChecked=0, Total=1980
[2023-11-21 18:24:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:27,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:27,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.8666666666666667) internal successors, (129), 44 states have internal predecessors, (129), 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 18:24:27,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:27,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:27,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:27,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:27,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2023-11-21 18:24:27,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2023-11-21 18:24:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-21 18:24:30,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-21 18:24:30,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2023-11-21 18:24:30,767 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:30,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1828789009, now seen corresponding path program 3 times
[2023-11-21 18:24:30,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:30,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687953804]
[2023-11-21 18:24:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:30,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2023-11-21 18:24:33,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:33,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687953804]
[2023-11-21 18:24:33,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687953804] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 18:24:33,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290527091]
[2023-11-21 18:24:33,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-21 18:24:33,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:33,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:33,802 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 18:24:33,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-21 18:24:34,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2023-11-21 18:24:34,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 18:24:34,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 39 conjunts are in the unsatisfiable core
[2023-11-21 18:24:34,098 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 18:24:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-21 18:24:34,641 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 18:24:35,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-21 18:24:35,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 60
[2023-11-21 18:24:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-11-21 18:24:35,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290527091] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 18:24:35,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 18:24:35,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 8] total 40
[2023-11-21 18:24:35,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81928978]
[2023-11-21 18:24:35,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 18:24:35,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2023-11-21 18:24:35,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:35,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2023-11-21 18:24:35,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1494, Unknown=0, NotChecked=0, Total=1640
[2023-11-21 18:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:35,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:35,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.926829268292683) internal successors, (120), 40 states have internal predecessors, (120), 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 18:24:35,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:35,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:35,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:35,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:35,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2023-11-21 18:24:35,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2023-11-21 18:24:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2023-11-21 18:24:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-21 18:24:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2023-11-21 18:24:37,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-21 18:24:37,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:37,449 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-21 18:24:37,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:24:37,449 INFO L85 PathProgramCache]: Analyzing trace with hash 571848990, now seen corresponding path program 4 times
[2023-11-21 18:24:37,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 18:24:37,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667143924]
[2023-11-21 18:24:37,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 18:24:37,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:24:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:24:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2023-11-21 18:24:37,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 18:24:37,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667143924]
[2023-11-21 18:24:37,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667143924] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 18:24:37,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561191191]
[2023-11-21 18:24:37,843 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-11-21 18:24:37,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 18:24:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 18:24:37,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 18:24:37,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-21 18:24:37,949 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-11-21 18:24:37,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 18:24:37,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-11-21 18:24:37,953 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 18:24:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2023-11-21 18:24:38,132 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 18:24:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2023-11-21 18:24:38,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561191191] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 18:24:38,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 18:24:38,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 32
[2023-11-21 18:24:38,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400138763]
[2023-11-21 18:24:38,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 18:24:38,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2023-11-21 18:24:38,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 18:24:38,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2023-11-21 18:24:38,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992
[2023-11-21 18:24:38,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:24:38,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 18:24:38,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.5) internal successors, (112), 32 states have internal predecessors, (112), 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 18:24:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:24:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:24:38,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:38,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:24:38,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states.
[2023-11-21 18:24:38,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2023-11-21 18:24:38,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states.
[2023-11-21 18:24:38,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2023-11-21 18:25:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-21 18:25:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 18:25:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-21 18:25:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 18:25:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2023-11-21 18:25:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2023-11-21 18:25:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-11-21 18:25:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2023-11-21 18:25:11,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2023-11-21 18:25:11,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2023-11-21 18:25:11,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2023-11-21 18:25:11,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2023-11-21 18:25:11,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2023-11-21 18:25:11,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2023-11-21 18:25:11,439 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 2]
[2023-11-21 18:25:11,448 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-21 18:25:11,449 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-21 18:25:11,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 06:25:11 BasicIcfg
[2023-11-21 18:25:11,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-21 18:25:11,469 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-21 18:25:11,469 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-21 18:25:11,470 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-21 18:25:11,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:24:15" (3/4) ...
[2023-11-21 18:25:11,473 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-21 18:25:11,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2023-11-21 18:25:11,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2023-11-21 18:25:11,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2023-11-21 18:25:11,490 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges
[2023-11-21 18:25:11,490 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges
[2023-11-21 18:25:11,490 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2023-11-21 18:25:11,490 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-21 18:25:11,571 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2023-11-21 18:25:11,572 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml
[2023-11-21 18:25:11,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-21 18:25:11,572 INFO L158 Benchmark]: Toolchain (without parser) took 57056.28ms. Allocated memory was 161.5MB in the beginning and 522.2MB in the end (delta: 360.7MB). Free memory was 79.4MB in the beginning and 176.4MB in the end (delta: -97.0MB). Peak memory consumption was 264.4MB. Max. memory is 16.1GB.
[2023-11-21 18:25:11,572 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-21 18:25:11,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.46ms. Allocated memory is still 161.5MB. Free memory was 79.1MB in the beginning and 129.2MB in the end (delta: -50.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB.
[2023-11-21 18:25:11,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.95ms. Allocated memory is still 161.5MB. Free memory was 129.2MB in the beginning and 127.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 18:25:11,573 INFO L158 Benchmark]: Boogie Preprocessor took 44.79ms. Allocated memory is still 161.5MB. Free memory was 127.3MB in the beginning and 124.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 18:25:11,573 INFO L158 Benchmark]: RCFGBuilder took 625.63ms. Allocated memory is still 161.5MB. Free memory was 124.4MB in the beginning and 92.6MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2023-11-21 18:25:11,574 INFO L158 Benchmark]: TraceAbstraction took 56002.02ms. Allocated memory was 161.5MB in the beginning and 522.2MB in the end (delta: 360.7MB). Free memory was 91.3MB in the beginning and 181.6MB in the end (delta: -90.3MB). Peak memory consumption was 272.3MB. Max. memory is 16.1GB.
[2023-11-21 18:25:11,574 INFO L158 Benchmark]: Witness Printer took 103.20ms. Allocated memory is still 522.2MB. Free memory was 181.6MB in the beginning and 176.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-21 18:25:11,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 231.46ms. Allocated memory is still 161.5MB. Free memory was 79.1MB in the beginning and 129.2MB in the end (delta: -50.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 35.95ms. Allocated memory is still 161.5MB. Free memory was 129.2MB in the beginning and 127.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.79ms. Allocated memory is still 161.5MB. Free memory was 127.3MB in the beginning and 124.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 625.63ms. Allocated memory is still 161.5MB. Free memory was 124.4MB in the beginning and 92.6MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 56002.02ms. Allocated memory was 161.5MB in the beginning and 522.2MB in the end (delta: 360.7MB). Free memory was 91.3MB in the beginning and 181.6MB in the end (delta: -90.3MB). Peak memory consumption was 272.3MB. Max. memory is 16.1GB.
* Witness Printer took 103.20ms. Allocated memory is still 522.2MB. Free memory was 181.6MB in the beginning and 176.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34457, independent: 30901, independent conditional: 30216, independent unconditional: 685, dependent: 3556, dependent conditional: 3542, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30970, independent: 30901, independent conditional: 30216, independent unconditional: 685, dependent: 69, dependent conditional: 55, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30970, independent: 30901, independent conditional: 30216, independent unconditional: 685, dependent: 69, dependent conditional: 55, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31711, independent: 30901, independent conditional: 482, independent unconditional: 30419, dependent: 810, dependent conditional: 259, dependent unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31711, independent: 30901, independent conditional: 482, independent unconditional: 30419, dependent: 810, dependent conditional: 120, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31711, independent: 30901, independent conditional: 482, independent unconditional: 30419, dependent: 810, dependent conditional: 120, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 658, independent: 637, independent conditional: 20, independent unconditional: 617, dependent: 21, dependent conditional: 7, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 658, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 22, independent conditional: 20, independent unconditional: 2, dependent: 21, dependent conditional: 7, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 22, independent conditional: 20, independent unconditional: 2, dependent: 21, dependent conditional: 7, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 132, independent conditional: 100, independent unconditional: 32, dependent: 102, dependent conditional: 40, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31711, independent: 30264, independent conditional: 462, independent unconditional: 29802, dependent: 789, dependent conditional: 113, dependent unconditional: 676, unknown: 658, unknown conditional: 27, unknown unconditional: 631] , Statistics on independence cache: Total cache size (in pairs): 658, Positive cache size: 637, Positive conditional cache size: 20, Positive unconditional cache size: 617, Negative cache size: 21, Negative conditional cache size: 7, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 139, Maximal queried relation: 3, Independence queries for same thread: 3487
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.2s, Number of persistent set computation: 270, Number of trivial persistent sets: 230, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 699, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34457, independent: 30901, independent conditional: 30216, independent unconditional: 685, dependent: 3556, dependent conditional: 3542, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30970, independent: 30901, independent conditional: 30216, independent unconditional: 685, dependent: 69, dependent conditional: 55, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30970, independent: 30901, independent conditional: 30216, independent unconditional: 685, dependent: 69, dependent conditional: 55, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31711, independent: 30901, independent conditional: 482, independent unconditional: 30419, dependent: 810, dependent conditional: 259, dependent unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31711, independent: 30901, independent conditional: 482, independent unconditional: 30419, dependent: 810, dependent conditional: 120, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31711, independent: 30901, independent conditional: 482, independent unconditional: 30419, dependent: 810, dependent conditional: 120, dependent unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 658, independent: 637, independent conditional: 20, independent unconditional: 617, dependent: 21, dependent conditional: 7, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 658, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 22, independent conditional: 20, independent unconditional: 2, dependent: 21, dependent conditional: 7, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 22, independent conditional: 20, independent unconditional: 2, dependent: 21, dependent conditional: 7, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 132, independent conditional: 100, independent unconditional: 32, dependent: 102, dependent conditional: 40, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31711, independent: 30264, independent conditional: 462, independent unconditional: 29802, dependent: 789, dependent conditional: 113, dependent unconditional: 676, unknown: 658, unknown conditional: 27, unknown unconditional: 631] , Statistics on independence cache: Total cache size (in pairs): 658, Positive cache size: 637, Positive conditional cache size: 20, Positive unconditional cache size: 617, Negative cache size: 21, Negative conditional cache size: 7, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 139, Maximal queried relation: 3, Independence queries for same thread: 3487
- PositiveResult [Line: 110]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 7 procedures, 56 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 55.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 37.7s, 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: 164, 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, 0.8s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 562 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 17168 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1553 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 187/490 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
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-21 18:25:11,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2023-11-21 18:25:11,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE