/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 15:44:40,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 15:44:40,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 15:44:40,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 15:44:40,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 15:44:40,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 15:44:40,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 15:44:40,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 15:44:40,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 15:44:40,115 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 15:44:40,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 15:44:40,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 15:44:40,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 15:44:40,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 15:44:40,117 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 15:44:40,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 15:44:40,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 15:44:40,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 15:44:40,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 15:44:40,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 15:44:40,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 15:44:40,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 15:44:40,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 15:44:40,118 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 15:44:40,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 15:44:40,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 15:44:40,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 15:44:40,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 15:44:40,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 15:44:40,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 15:44:40,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 15:44:40,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 15:44:40,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 15:44:40,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 15:44:40,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 15:44:40,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 15:44:40,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 15:44:40,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 15:44:40,121 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 15:44:40,121 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 15:44:40,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 15:44:40,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 15:44:40,122 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 15:44:40,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 15:44:40,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 15:44:40,122 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 15:44:40,122 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 15:44:40,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 15:44:40,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 15:44:40,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 15:44:40,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 15:44:40,301 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 15:44:40,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i [2023-12-16 15:44:41,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 15:44:41,576 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 15:44:41,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i [2023-12-16 15:44:41,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391e3deb9/d2fdd293d40948538040a029c421a18d/FLAG204985bbf [2023-12-16 15:44:41,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391e3deb9/d2fdd293d40948538040a029c421a18d [2023-12-16 15:44:41,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 15:44:41,600 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 15:44:41,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 15:44:41,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 15:44:41,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 15:44:41,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213f8476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41, skipping insertion in model container [2023-12-16 15:44:41,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 15:44:41,731 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i[915,928] [2023-12-16 15:44:41,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 15:44:41,780 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 15:44:41,795 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i[915,928] [2023-12-16 15:44:41,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 15:44:41,829 INFO L206 MainTranslator]: Completed translation [2023-12-16 15:44:41,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41 WrapperNode [2023-12-16 15:44:41,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 15:44:41,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 15:44:41,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 15:44:41,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 15:44:41,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,871 INFO L138 Inliner]: procedures = 36, calls = 165, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 504 [2023-12-16 15:44:41,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 15:44:41,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 15:44:41,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 15:44:41,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 15:44:41,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,927 INFO L175 MemorySlicer]: Split 127 memory accesses to 14 slices as follows [2, 7, 8, 8, 16, 8, 5, 6, 14, 12, 6, 11, 3, 21]. 17 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 3, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1]. [2023-12-16 15:44:41,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 15:44:41,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 15:44:41,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 15:44:41,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 15:44:41,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (1/1) ... [2023-12-16 15:44:41,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 15:44:41,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 15:44:41,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 15:44:42,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 15:44:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 15:44:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-16 15:44:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-16 15:44:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-16 15:44:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2023-12-16 15:44:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-16 15:44:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-12-16 15:44:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-12-16 15:44:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-16 15:44:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-16 15:44:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-16 15:44:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-16 15:44:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-16 15:44:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-16 15:44:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-16 15:44:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-16 15:44:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2023-12-16 15:44:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2023-12-16 15:44:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2023-12-16 15:44:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 15:44:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 15:44:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-16 15:44:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2023-12-16 15:44:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-16 15:44:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-16 15:44:42,248 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 15:44:42,250 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 15:44:42,823 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 15:44:42,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 15:44:42,879 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 15:44:42,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:44:42 BoogieIcfgContainer [2023-12-16 15:44:42,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 15:44:42,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 15:44:42,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 15:44:42,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 15:44:42,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:44:41" (1/3) ... [2023-12-16 15:44:42,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3816f2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:44:42, skipping insertion in model container [2023-12-16 15:44:42,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:41" (2/3) ... [2023-12-16 15:44:42,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3816f2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:44:42, skipping insertion in model container [2023-12-16 15:44:42,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:44:42" (3/3) ... [2023-12-16 15:44:42,885 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-1.i [2023-12-16 15:44:42,898 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 15:44:42,898 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 15:44:42,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 15:44:42,949 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a332825, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 15:44:42,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 15:44:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 79 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 15:44:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:42,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:42,973 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:42,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:42,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:42,978 INFO L85 PathProgramCache]: Analyzing trace with hash -297005582, now seen corresponding path program 1 times [2023-12-16 15:44:42,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:42,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763250521] [2023-12-16 15:44:42,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:42,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:42,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:43,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:43,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 15:44:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:43,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 15:44:43,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-12-16 15:44:43,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 15:44:43,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:43,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763250521] [2023-12-16 15:44:43,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763250521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 15:44:43,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 15:44:43,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 15:44:43,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609746780] [2023-12-16 15:44:43,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:44:43,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 15:44:43,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:44:43,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 15:44:43,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 15:44:43,431 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 79 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 15:44:43,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:44:43,474 INFO L93 Difference]: Finished difference Result 187 states and 298 transitions. [2023-12-16 15:44:43,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 15:44:43,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2023-12-16 15:44:43,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:44:43,481 INFO L225 Difference]: With dead ends: 187 [2023-12-16 15:44:43,482 INFO L226 Difference]: Without dead ends: 93 [2023-12-16 15:44:43,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 15:44:43,489 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 15:44:43,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 15:44:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-16 15:44:43,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-12-16 15:44:43,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 15:44:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 138 transitions. [2023-12-16 15:44:43,523 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 138 transitions. Word has length 117 [2023-12-16 15:44:43,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:44:43,524 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 138 transitions. [2023-12-16 15:44:43,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 15:44:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2023-12-16 15:44:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:43,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:43,529 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:43,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 15:44:43,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:43,736 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:43,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:43,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1062940186, now seen corresponding path program 1 times [2023-12-16 15:44:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:43,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708695737] [2023-12-16 15:44:43,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:43,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:43,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:43,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 15:44:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:44,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 15:44:44,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:44,483 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 27 treesize of output 15 [2023-12-16 15:44:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-16 15:44:44,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:44:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 15:44:44,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:44,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708695737] [2023-12-16 15:44:44,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708695737] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 15:44:44,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 15:44:44,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2023-12-16 15:44:44,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647465669] [2023-12-16 15:44:44,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:44:44,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 15:44:44,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:44:44,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 15:44:44,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-16 15:44:44,606 INFO L87 Difference]: Start difference. First operand 93 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:44,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:44:44,709 INFO L93 Difference]: Finished difference Result 251 states and 372 transitions. [2023-12-16 15:44:44,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 15:44:44,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 15:44:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:44:44,712 INFO L225 Difference]: With dead ends: 251 [2023-12-16 15:44:44,712 INFO L226 Difference]: Without dead ends: 159 [2023-12-16 15:44:44,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-12-16 15:44:44,714 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 184 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 15:44:44,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 480 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 15:44:44,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-12-16 15:44:44,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2023-12-16 15:44:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 136 states have (on average 1.4558823529411764) internal successors, (198), 137 states have internal predecessors, (198), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 15:44:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 232 transitions. [2023-12-16 15:44:44,726 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 232 transitions. Word has length 117 [2023-12-16 15:44:44,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:44:44,726 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 232 transitions. [2023-12-16 15:44:44,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 232 transitions. [2023-12-16 15:44:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:44,728 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:44,728 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:44,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 15:44:44,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:44,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:44,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:44,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1485642012, now seen corresponding path program 1 times [2023-12-16 15:44:44,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:44,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822605744] [2023-12-16 15:44:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:44,937 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:44,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:44,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:44,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 15:44:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:45,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 15:44:45,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:45,522 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 15 treesize of output 7 [2023-12-16 15:44:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 214 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-16 15:44:45,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:44:45,659 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2023-12-16 15:44:45,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-12-16 15:44:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-16 15:44:45,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:45,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822605744] [2023-12-16 15:44:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822605744] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 15:44:45,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 15:44:45,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2023-12-16 15:44:45,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031477187] [2023-12-16 15:44:45,747 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 15:44:45,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 15:44:45,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:44:45,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 15:44:45,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-12-16 15:44:45,749 INFO L87 Difference]: Start difference. First operand 156 states and 232 transitions. Second operand has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-16 15:44:46,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:44:46,075 INFO L93 Difference]: Finished difference Result 317 states and 468 transitions. [2023-12-16 15:44:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 15:44:46,075 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 117 [2023-12-16 15:44:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:44:46,078 INFO L225 Difference]: With dead ends: 317 [2023-12-16 15:44:46,078 INFO L226 Difference]: Without dead ends: 162 [2023-12-16 15:44:46,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2023-12-16 15:44:46,079 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 374 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 15:44:46,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 484 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 15:44:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-16 15:44:46,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2023-12-16 15:44:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 139 states have (on average 1.4316546762589928) internal successors, (199), 140 states have internal predecessors, (199), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 15:44:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 233 transitions. [2023-12-16 15:44:46,090 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 233 transitions. Word has length 117 [2023-12-16 15:44:46,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:44:46,091 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 233 transitions. [2023-12-16 15:44:46,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-16 15:44:46,091 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 233 transitions. [2023-12-16 15:44:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:46,092 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:46,092 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:46,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 15:44:46,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:46,311 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:46,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:46,312 INFO L85 PathProgramCache]: Analyzing trace with hash -102705890, now seen corresponding path program 1 times [2023-12-16 15:44:46,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:46,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868279447] [2023-12-16 15:44:46,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:46,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:46,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:46,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:46,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 15:44:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:46,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 15:44:46,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 15:44:46,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 15:44:46,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868279447] [2023-12-16 15:44:46,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868279447] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 15:44:46,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 15:44:46,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 15:44:46,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869369902] [2023-12-16 15:44:46,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:44:46,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 15:44:46,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:44:46,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 15:44:46,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 15:44:46,612 INFO L87 Difference]: Start difference. First operand 160 states and 233 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:46,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:44:46,690 INFO L93 Difference]: Finished difference Result 349 states and 507 transitions. [2023-12-16 15:44:46,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 15:44:46,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 15:44:46,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:44:46,692 INFO L225 Difference]: With dead ends: 349 [2023-12-16 15:44:46,692 INFO L226 Difference]: Without dead ends: 190 [2023-12-16 15:44:46,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 15:44:46,693 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 28 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 15:44:46,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 506 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 15:44:46,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-12-16 15:44:46,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 168. [2023-12-16 15:44:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 147 states have (on average 1.4081632653061225) internal successors, (207), 148 states have internal predecessors, (207), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 15:44:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 241 transitions. [2023-12-16 15:44:46,703 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 241 transitions. Word has length 117 [2023-12-16 15:44:46,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:44:46,704 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 241 transitions. [2023-12-16 15:44:46,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 241 transitions. [2023-12-16 15:44:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:46,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:46,705 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:46,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 15:44:46,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:46,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:46,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:46,915 INFO L85 PathProgramCache]: Analyzing trace with hash -45447588, now seen corresponding path program 1 times [2023-12-16 15:44:46,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:46,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525396167] [2023-12-16 15:44:46,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:46,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:46,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:46,933 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:46,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 15:44:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:47,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 15:44:47,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 15:44:47,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 15:44:47,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:47,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525396167] [2023-12-16 15:44:47,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525396167] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 15:44:47,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 15:44:47,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 15:44:47,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247605316] [2023-12-16 15:44:47,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:44:47,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 15:44:47,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:44:47,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 15:44:47,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 15:44:47,249 INFO L87 Difference]: Start difference. First operand 168 states and 241 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:44:47,351 INFO L93 Difference]: Finished difference Result 359 states and 511 transitions. [2023-12-16 15:44:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 15:44:47,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 15:44:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:44:47,353 INFO L225 Difference]: With dead ends: 359 [2023-12-16 15:44:47,353 INFO L226 Difference]: Without dead ends: 192 [2023-12-16 15:44:47,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-16 15:44:47,354 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 22 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 15:44:47,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 627 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 15:44:47,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-12-16 15:44:47,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 172. [2023-12-16 15:44:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 151 states have (on average 1.3973509933774835) internal successors, (211), 152 states have internal predecessors, (211), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 15:44:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 245 transitions. [2023-12-16 15:44:47,377 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 245 transitions. Word has length 117 [2023-12-16 15:44:47,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:44:47,377 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 245 transitions. [2023-12-16 15:44:47,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 245 transitions. [2023-12-16 15:44:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:47,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:47,378 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:47,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 15:44:47,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:47,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:47,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:47,580 INFO L85 PathProgramCache]: Analyzing trace with hash -45388006, now seen corresponding path program 1 times [2023-12-16 15:44:47,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:47,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489791095] [2023-12-16 15:44:47,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:47,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:47,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:47,582 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:47,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 15:44:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:47,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-16 15:44:47,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 15:44:49,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:44:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 15:44:49,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489791095] [2023-12-16 15:44:49,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489791095] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 15:44:49,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 15:44:49,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-12-16 15:44:49,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505471655] [2023-12-16 15:44:49,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:44:49,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 15:44:49,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:44:49,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 15:44:49,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-12-16 15:44:49,923 INFO L87 Difference]: Start difference. First operand 172 states and 245 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:50,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:44:50,082 INFO L93 Difference]: Finished difference Result 413 states and 587 transitions. [2023-12-16 15:44:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 15:44:50,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 15:44:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:44:50,084 INFO L225 Difference]: With dead ends: 413 [2023-12-16 15:44:50,085 INFO L226 Difference]: Without dead ends: 242 [2023-12-16 15:44:50,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-12-16 15:44:50,086 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 171 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 15:44:50,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 406 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 15:44:50,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-12-16 15:44:50,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 181. [2023-12-16 15:44:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 160 states have (on average 1.39375) internal successors, (223), 161 states have internal predecessors, (223), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 15:44:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 257 transitions. [2023-12-16 15:44:50,092 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 257 transitions. Word has length 117 [2023-12-16 15:44:50,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:44:50,093 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 257 transitions. [2023-12-16 15:44:50,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 257 transitions. [2023-12-16 15:44:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:50,094 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:50,094 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:50,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-16 15:44:50,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:50,302 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:50,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:50,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1779330927, now seen corresponding path program 1 times [2023-12-16 15:44:50,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:50,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883832512] [2023-12-16 15:44:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:50,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:50,304 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:50,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-16 15:44:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:50,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 15:44:50,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-16 15:44:50,858 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:44:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 15:44:50,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:50,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883832512] [2023-12-16 15:44:50,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883832512] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 15:44:50,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 15:44:50,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2023-12-16 15:44:50,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096143655] [2023-12-16 15:44:50,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:44:50,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 15:44:50,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:44:50,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 15:44:50,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-16 15:44:50,943 INFO L87 Difference]: Start difference. First operand 181 states and 257 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:51,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:44:51,029 INFO L93 Difference]: Finished difference Result 476 states and 673 transitions. [2023-12-16 15:44:51,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 15:44:51,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 15:44:51,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:44:51,030 INFO L225 Difference]: With dead ends: 476 [2023-12-16 15:44:51,030 INFO L226 Difference]: Without dead ends: 296 [2023-12-16 15:44:51,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-16 15:44:51,031 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 149 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 15:44:51,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 642 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 15:44:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-12-16 15:44:51,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 182. [2023-12-16 15:44:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 161 states have (on average 1.391304347826087) internal successors, (224), 162 states have internal predecessors, (224), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 15:44:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 258 transitions. [2023-12-16 15:44:51,038 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 258 transitions. Word has length 117 [2023-12-16 15:44:51,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:44:51,038 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 258 transitions. [2023-12-16 15:44:51,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:44:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 258 transitions. [2023-12-16 15:44:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:44:51,039 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:44:51,039 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:44:51,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-16 15:44:51,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:51,244 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:44:51,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:44:51,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1928830355, now seen corresponding path program 1 times [2023-12-16 15:44:51,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:44:51,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099059155] [2023-12-16 15:44:51,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:51,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:44:51,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:44:51,246 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:44:51,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-16 15:44:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:51,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-16 15:44:51,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:44:53,083 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 70 treesize of output 34 [2023-12-16 15:44:53,092 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 70 treesize of output 34 [2023-12-16 15:44:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 15:44:53,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:44:53,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 15:44:53,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 66 [2023-12-16 15:44:58,280 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (let ((.cse7 (select (select |c_#memory_int#2| c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7)))) (.cse3 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0))) (.cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))))) (let ((.cse4 (forall ((v_arrayElimCell_8 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)))) (or (not (fp.geq .cse6 .cse3)) (not (fp.leq .cse6 .cse1)))))) (.cse5 (forall ((v_arrayElimCell_7 (_ BitVec 32))) (fp.leq .cse2 (fp.neg (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))))) (and (forall ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (or (not (fp.leq .cse0 .cse1)) (fp.leq .cse2 (fp.neg .cse0)) (not (fp.geq .cse0 .cse3))))) (or .cse4 (= c_~var_1_3_Pointer~0.offset |c_~#var_1_3~0.offset|) .cse5) (or .cse4 (= |c_~#var_1_3~0.base| c_~var_1_3_Pointer~0.base) .cse5)))) is different from false [2023-12-16 15:44:58,624 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:44:58,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099059155] [2023-12-16 15:44:58,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099059155] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 15:44:58,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1718098790] [2023-12-16 15:44:58,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:44:58,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 15:44:58,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 15:44:58,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 15:44:58,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-16 15:44:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:44:59,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-16 15:44:59,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:45:00,701 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 [2023-12-16 15:45:06,402 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 [2023-12-16 15:45:26,940 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 70 treesize of output 34 [2023-12-16 15:45:27,041 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 70 treesize of output 34 [2023-12-16 15:45:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 15:45:27,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:45:28,453 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 86 treesize of output 74 [2023-12-16 15:45:33,211 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_~#var_1_3~0.base| c_~var_1_3_Pointer~0.base)) (.cse2 (let ((.cse8 (select (select |c_#memory_int#2| c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)))) (.cse1 (= c_~var_1_3_Pointer~0.offset |c_~#var_1_3~0.offset|))) (or (and (or (not .cse0) (not .cse1)) (forall ((v_arrayElimCell_11 (_ BitVec 32))) (fp.leq .cse2 (fp.neg (fp ((_ extract 31 31) v_arrayElimCell_11) ((_ extract 30 23) v_arrayElimCell_11) ((_ extract 22 0) v_arrayElimCell_11)))))) (let ((.cse5 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse6 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)))) (let ((.cse3 (forall ((|v_skolemized_q#valueAsBitvector_56| (_ BitVec 32))) (let ((.cse7 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_56|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_56|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_56|)))) (or (not (fp.leq .cse7 .cse5)) (not (fp.geq .cse7 .cse6))))))) (and (or .cse3 .cse0) (forall ((|v_skolemized_q#valueAsBitvector_56| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_56|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_56|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_56|)))) (or (not (fp.leq .cse4 .cse5)) (not (fp.geq .cse4 .cse6)) (fp.leq .cse2 (fp.neg .cse4))))) (or .cse3 .cse1)))))) is different from false [2023-12-16 15:45:33,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1718098790] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 15:45:33,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 15:45:33,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-12-16 15:45:33,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797770460] [2023-12-16 15:45:33,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 15:45:33,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-16 15:45:33,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:45:33,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-16 15:45:33,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=565, Unknown=2, NotChecked=98, Total=756 [2023-12-16 15:45:33,641 INFO L87 Difference]: Start difference. First operand 182 states and 258 transitions. Second operand has 21 states, 21 states have (on average 4.0) internal successors, (84), 20 states have internal predecessors, (84), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-16 15:45:53,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:45:53,477 INFO L93 Difference]: Finished difference Result 659 states and 932 transitions. [2023-12-16 15:45:53,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 15:45:53,483 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.0) internal successors, (84), 20 states have internal predecessors, (84), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 117 [2023-12-16 15:45:53,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:45:53,485 INFO L225 Difference]: With dead ends: 659 [2023-12-16 15:45:53,485 INFO L226 Difference]: Without dead ends: 478 [2023-12-16 15:45:53,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 421 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=217, Invalid=1049, Unknown=2, NotChecked=138, Total=1406 [2023-12-16 15:45:53,487 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 831 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-12-16 15:45:53,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1303 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-12-16 15:45:53,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2023-12-16 15:45:53,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 306. [2023-12-16 15:45:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 247 states have (on average 1.3441295546558705) internal successors, (332), 251 states have internal predecessors, (332), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-16 15:45:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 430 transitions. [2023-12-16 15:45:53,510 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 430 transitions. Word has length 117 [2023-12-16 15:45:53,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:45:53,510 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 430 transitions. [2023-12-16 15:45:53,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.0) internal successors, (84), 20 states have internal predecessors, (84), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-16 15:45:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 430 transitions. [2023-12-16 15:45:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:45:53,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:45:53,513 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:45:53,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-16 15:45:53,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-16 15:45:53,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 15:45:53,921 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:45:53,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:45:53,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1305548753, now seen corresponding path program 1 times [2023-12-16 15:45:53,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:45:53,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154721699] [2023-12-16 15:45:53,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:45:53,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:45:53,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:45:53,923 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:45:53,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 15:45:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:45:54,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 15:45:54,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:45:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 15:45:54,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 15:45:54,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:45:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154721699] [2023-12-16 15:45:54,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154721699] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 15:45:54,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 15:45:54,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 15:45:54,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260418976] [2023-12-16 15:45:54,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:45:54,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 15:45:54,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:45:54,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 15:45:54,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 15:45:54,379 INFO L87 Difference]: Start difference. First operand 306 states and 430 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 15:45:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:45:54,896 INFO L93 Difference]: Finished difference Result 631 states and 889 transitions. [2023-12-16 15:45:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 15:45:54,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2023-12-16 15:45:54,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:45:54,898 INFO L225 Difference]: With dead ends: 631 [2023-12-16 15:45:54,898 INFO L226 Difference]: Without dead ends: 326 [2023-12-16 15:45:54,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 15:45:54,899 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 7 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 15:45:54,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 393 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 15:45:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-12-16 15:45:54,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 310. [2023-12-16 15:45:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 251 states have (on average 1.3306772908366533) internal successors, (334), 255 states have internal predecessors, (334), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-16 15:45:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 432 transitions. [2023-12-16 15:45:54,928 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 432 transitions. Word has length 117 [2023-12-16 15:45:54,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:45:54,928 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 432 transitions. [2023-12-16 15:45:54,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 15:45:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 432 transitions. [2023-12-16 15:45:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 15:45:54,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:45:54,929 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:45:54,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-16 15:45:55,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:45:55,136 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:45:55,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:45:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash -437204715, now seen corresponding path program 1 times [2023-12-16 15:45:55,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:45:55,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280862237] [2023-12-16 15:45:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:45:55,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:45:55,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:45:55,138 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:45:55,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-16 15:45:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:45:55,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 15:45:55,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:45:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 15:45:55,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 15:45:55,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:45:55,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280862237] [2023-12-16 15:45:55,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280862237] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 15:45:55,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 15:45:55,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 15:45:55,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255721312] [2023-12-16 15:45:55,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:45:55,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 15:45:55,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:45:55,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 15:45:55,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 15:45:55,587 INFO L87 Difference]: Start difference. First operand 310 states and 432 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:45:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:45:56,120 INFO L93 Difference]: Finished difference Result 627 states and 875 transitions. [2023-12-16 15:45:56,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 15:45:56,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 15:45:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:45:56,126 INFO L225 Difference]: With dead ends: 627 [2023-12-16 15:45:56,126 INFO L226 Difference]: Without dead ends: 318 [2023-12-16 15:45:56,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 15:45:56,129 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 7 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 15:45:56,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 394 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 15:45:56,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-12-16 15:45:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 310. [2023-12-16 15:45:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 251 states have (on average 1.3227091633466135) internal successors, (332), 255 states have internal predecessors, (332), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-16 15:45:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 430 transitions. [2023-12-16 15:45:56,157 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 430 transitions. Word has length 117 [2023-12-16 15:45:56,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:45:56,157 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 430 transitions. [2023-12-16 15:45:56,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 15:45:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 430 transitions. [2023-12-16 15:45:56,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-16 15:45:56,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:45:56,159 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:45:56,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-16 15:45:56,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:45:56,365 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:45:56,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:45:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash 697945169, now seen corresponding path program 1 times [2023-12-16 15:45:56,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:45:56,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735053841] [2023-12-16 15:45:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:45:56,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:45:56,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:45:56,368 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:45:56,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-16 15:45:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:45:56,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-16 15:45:56,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 15:45:58,318 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 15:45:58,322 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 15:45:58,346 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 15:45:58,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-12-16 15:45:58,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:45:58,546 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 119 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2023-12-16 15:45:58,550 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:45:58,552 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 15:45:58,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:45:58 BoogieIcfgContainer [2023-12-16 15:45:58,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 15:45:58,554 INFO L158 Benchmark]: Toolchain (without parser) took 76953.86ms. Allocated memory was 238.0MB in the beginning and 374.3MB in the end (delta: 136.3MB). Free memory was 185.0MB in the beginning and 240.3MB in the end (delta: -55.2MB). Peak memory consumption was 82.7MB. Max. memory is 8.0GB. [2023-12-16 15:45:58,562 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 15:45:58,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.41ms. Allocated memory is still 238.0MB. Free memory was 184.8MB in the beginning and 169.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 15:45:58,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.84ms. Allocated memory is still 238.0MB. Free memory was 169.8MB in the beginning and 166.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 15:45:58,563 INFO L158 Benchmark]: Boogie Preprocessor took 88.28ms. Allocated memory is still 238.0MB. Free memory was 166.4MB in the beginning and 159.6MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 15:45:58,563 INFO L158 Benchmark]: RCFGBuilder took 918.10ms. Allocated memory is still 238.0MB. Free memory was 159.6MB in the beginning and 150.8MB in the end (delta: 8.8MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2023-12-16 15:45:58,563 INFO L158 Benchmark]: TraceAbstraction took 75672.65ms. Allocated memory was 238.0MB in the beginning and 374.3MB in the end (delta: 136.3MB). Free memory was 150.3MB in the beginning and 240.3MB in the end (delta: -90.0MB). Peak memory consumption was 46.3MB. Max. memory is 8.0GB. [2023-12-16 15:45:58,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 228.41ms. Allocated memory is still 238.0MB. Free memory was 184.8MB in the beginning and 169.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.84ms. Allocated memory is still 238.0MB. Free memory was 169.8MB in the beginning and 166.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 88.28ms. Allocated memory is still 238.0MB. Free memory was 166.4MB in the beginning and 159.6MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 918.10ms. Allocated memory is still 238.0MB. Free memory was 159.6MB in the beginning and 150.8MB in the end (delta: 8.8MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * TraceAbstraction took 75672.65ms. Allocated memory was 238.0MB in the beginning and 374.3MB in the end (delta: 136.3MB). Free memory was 150.3MB in the beginning and 240.3MB in the end (delta: -90.0MB). Peak memory consumption was 46.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 119 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.6s, OverallIterations: 11, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1776 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1773 mSDsluCounter, 5368 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4007 mSDsCounter, 242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1231 IncrementalHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 242 mSolverCounterUnsat, 1361 mSDtfsCounter, 1231 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1990 GetRequests, 1876 SyntacticMatches, 2 SemanticMatches, 112 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 24.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=9, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 45.4s InterpolantComputationTime, 1287 NumberOfCodeBlocks, 1287 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1740 ConstructedInterpolants, 3 QuantifiedInterpolants, 32143 SizeOfPredicates, 80 NumberOfNonLiveVariables, 3499 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 4698/5460 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown