./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 11:18:58,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 11:18:58,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 11:18:58,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 11:18:58,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 11:18:58,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 11:18:58,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 11:18:58,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 11:18:58,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 11:18:58,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 11:18:58,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 11:18:58,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 11:18:58,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 11:18:58,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 11:18:58,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 11:18:58,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 11:18:58,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 11:18:58,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 11:18:58,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 11:18:58,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 11:18:58,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 11:18:58,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 11:18:58,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 11:18:58,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 11:18:58,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 11:18:58,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 11:18:58,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 11:18:58,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 11:18:58,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 11:18:58,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 11:18:58,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 11:18:58,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 11:18:58,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 11:18:58,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 11:18:58,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 11:18:58,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 11:18:58,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 11:18:58,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 11:18:58,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 11:18:58,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 11:18:58,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 11:18:58,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 11:18:58,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 11:18:58,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 11:18:58,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 11:18:58,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 11:18:58,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 11:18:58,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 11:18:58,126 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 11:18:58,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 11:18:58,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 11:18:58,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 11:18:58,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 11:18:58,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 11:18:58,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 11:18:58,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 11:18:58,128 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 11:18:58,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 11:18:58,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 11:18:58,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 11:18:58,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 11:18:58,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 11:18:58,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 11:18:58,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 11:18:58,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 11:18:58,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 11:18:58,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 11:18:58,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 11:18:58,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 11:18:58,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 11:18:58,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 11:18:58,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2021-11-07 11:18:58,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 11:18:58,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 11:18:58,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 11:18:58,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 11:18:58,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 11:18:58,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-07 11:18:58,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce158f3d2/f03d77fcd7ec4525b73469f76e82bced/FLAG286b82ed6 [2021-11-07 11:18:59,189 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 11:18:59,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-07 11:18:59,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce158f3d2/f03d77fcd7ec4525b73469f76e82bced/FLAG286b82ed6 [2021-11-07 11:18:59,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce158f3d2/f03d77fcd7ec4525b73469f76e82bced [2021-11-07 11:18:59,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 11:18:59,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 11:18:59,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 11:18:59,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 11:18:59,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 11:18:59,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:18:59" (1/1) ... [2021-11-07 11:18:59,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62340722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:18:59, skipping insertion in model container [2021-11-07 11:18:59,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:18:59" (1/1) ... [2021-11-07 11:18:59,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 11:18:59,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 11:19:07,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-07 11:19:08,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 11:19:08,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 11:19:09,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-07 11:19:09,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 11:19:09,833 INFO L208 MainTranslator]: Completed translation [2021-11-07 11:19:09,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09 WrapperNode [2021-11-07 11:19:09,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 11:19:09,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 11:19:09,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 11:19:09,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 11:19:09,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:10,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:11,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 11:19:11,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 11:19:11,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 11:19:11,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 11:19:11,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:11,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:11,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:11,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:12,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:12,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:12,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:12,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 11:19:12,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 11:19:12,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 11:19:12,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 11:19:12,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (1/1) ... [2021-11-07 11:19:12,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 11:19:12,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:19:12,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 11:19:12,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 11:19:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-07 11:19:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-07 11:19:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-07 11:19:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-07 11:19:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-07 11:19:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-07 11:19:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-07 11:19:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-07 11:19:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-07 11:19:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-07 11:19:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-07 11:19:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-07 11:19:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-07 11:19:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-07 11:19:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-07 11:19:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-07 11:19:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-07 11:19:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 11:19:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-07 11:19:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-07 11:19:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-07 11:19:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-07 11:19:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-07 11:19:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-07 11:19:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-07 11:19:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-07 11:19:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 11:19:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-07 11:19:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-07 11:19:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-07 11:19:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-07 11:19:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-07 11:19:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-07 11:19:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 11:19:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 11:19:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-07 11:19:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-07 11:19:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-07 11:19:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-07 11:19:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-07 11:19:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-07 11:19:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-07 11:19:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-07 11:19:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 11:19:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 11:19:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-07 11:19:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-07 11:19:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-07 11:19:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-07 11:19:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 11:19:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-07 11:19:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-07 11:19:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-07 11:19:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-07 11:19:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-07 11:19:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-07 11:19:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 11:19:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-07 11:19:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 11:19:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-07 11:19:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-07 11:19:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-07 11:19:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-07 11:19:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-07 11:19:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-07 11:19:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-07 11:19:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-07 11:19:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-07 11:19:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 11:19:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-07 11:19:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-07 11:19:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-07 11:19:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-07 11:19:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-07 11:19:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-07 11:19:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-07 11:19:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-07 11:19:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-07 11:19:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-07 11:19:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-07 11:19:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-07 11:19:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-07 11:19:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-07 11:19:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-07 11:19:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-07 11:19:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-07 11:19:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-07 11:19:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-07 11:19:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-07 11:19:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-07 11:19:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-07 11:19:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 11:19:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-07 11:19:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-07 11:19:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 11:19:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 11:19:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-07 11:19:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-07 11:19:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-07 11:19:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-07 11:19:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-07 11:19:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-07 11:19:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-07 11:19:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-07 11:19:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-07 11:19:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-07 11:19:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-07 11:19:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-07 11:19:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 11:19:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 11:19:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 11:19:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 11:19:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-07 11:19:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-07 11:19:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-07 11:19:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-07 11:19:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-07 11:19:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-07 11:19:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-07 11:19:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-07 11:19:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-07 11:19:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-07 11:19:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-07 11:19:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-07 11:19:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-07 11:19:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 11:19:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-07 11:19:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-07 11:19:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-07 11:19:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-07 11:19:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-07 11:19:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-07 11:19:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-07 11:19:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-07 11:19:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-07 11:19:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-07 11:19:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-07 11:19:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-07 11:19:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-07 11:19:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-07 11:19:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-07 11:19:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-07 11:19:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-07 11:19:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-07 11:19:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 11:19:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-07 11:19:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-07 11:19:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-07 11:19:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-07 11:19:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-07 11:19:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-07 11:19:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-07 11:19:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-07 11:19:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-07 11:19:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-07 11:19:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-07 11:19:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-07 11:19:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-07 11:19:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-07 11:19:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-07 11:19:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-07 11:19:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-07 11:19:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-07 11:19:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-07 11:19:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-07 11:19:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-07 11:19:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-07 11:19:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-07 11:19:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-07 11:19:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-07 11:19:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 11:22:43,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 11:22:43,112 INFO L299 CfgBuilder]: Removed 11254 assume(true) statements. [2021-11-07 11:22:43,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:22:43 BoogieIcfgContainer [2021-11-07 11:22:43,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 11:22:43,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 11:22:43,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 11:22:43,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 11:22:43,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:18:59" (1/3) ... [2021-11-07 11:22:43,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f1c6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:22:43, skipping insertion in model container [2021-11-07 11:22:43,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:09" (2/3) ... [2021-11-07 11:22:43,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f1c6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:22:43, skipping insertion in model container [2021-11-07 11:22:43,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:22:43" (3/3) ... [2021-11-07 11:22:43,130 INFO L111 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-07 11:22:43,134 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 11:22:43,135 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 281 error locations. [2021-11-07 11:22:43,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 11:22:43,216 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 11:22:43,216 INFO L340 AbstractCegarLoop]: Starting to check reachability of 281 error locations. [2021-11-07 11:22:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 9900 states, 9395 states have (on average 1.335178286322512) internal successors, (12544), 9715 states have internal predecessors, (12544), 148 states have call successors, (148), 75 states have call predecessors, (148), 75 states have return successors, (148), 127 states have call predecessors, (148), 148 states have call successors, (148) [2021-11-07 11:22:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 11:22:43,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:22:43,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:22:43,320 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:22:43,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:22:43,324 INFO L85 PathProgramCache]: Analyzing trace with hash 811386222, now seen corresponding path program 1 times [2021-11-07 11:22:43,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:22:43,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967523434] [2021-11-07 11:22:43,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:22:43,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:22:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:22:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:22:44,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:22:44,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967523434] [2021-11-07 11:22:44,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967523434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:22:44,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:22:44,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:22:44,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134540513] [2021-11-07 11:22:44,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:22:44,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:22:44,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:22:44,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:22:44,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:44,266 INFO L87 Difference]: Start difference. First operand has 9900 states, 9395 states have (on average 1.335178286322512) internal successors, (12544), 9715 states have internal predecessors, (12544), 148 states have call successors, (148), 75 states have call predecessors, (148), 75 states have return successors, (148), 127 states have call predecessors, (148), 148 states have call successors, (148) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:46,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:47,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:22:47,165 INFO L93 Difference]: Finished difference Result 27273 states and 35812 transitions. [2021-11-07 11:22:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:22:47,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 11:22:47,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:22:47,245 INFO L225 Difference]: With dead ends: 27273 [2021-11-07 11:22:47,245 INFO L226 Difference]: Without dead ends: 17222 [2021-11-07 11:22:47,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:47,319 INFO L933 BasicCegarLoop]: 12964 mSDtfsCounter, 11846 mSDsluCounter, 10273 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2208.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11846 SdHoareTripleChecker+Valid, 23237 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 48.91ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2321.11ms IncrementalHoareTripleChecker+Time [2021-11-07 11:22:47,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11846 Valid, 23237 Invalid, 25 Unknown, 0 Unchecked, 48.91ms Time], IncrementalHoareTripleChecker [9 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 2321.11ms Time] [2021-11-07 11:22:47,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17222 states. [2021-11-07 11:22:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17222 to 16792. [2021-11-07 11:22:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16792 states, 16089 states have (on average 1.3008888060165331) internal successors, (20930), 16436 states have internal predecessors, (20930), 275 states have call successors, (275), 148 states have call predecessors, (275), 148 states have return successors, (402), 235 states have call predecessors, (402), 275 states have call successors, (402) [2021-11-07 11:22:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16792 states to 16792 states and 21607 transitions. [2021-11-07 11:22:47,794 INFO L78 Accepts]: Start accepts. Automaton has 16792 states and 21607 transitions. Word has length 10 [2021-11-07 11:22:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:22:47,795 INFO L470 AbstractCegarLoop]: Abstraction has 16792 states and 21607 transitions. [2021-11-07 11:22:47,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 16792 states and 21607 transitions. [2021-11-07 11:22:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 11:22:47,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:22:47,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:22:47,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 11:22:47,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:22:47,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:22:47,800 INFO L85 PathProgramCache]: Analyzing trace with hash -616803676, now seen corresponding path program 1 times [2021-11-07 11:22:47,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:22:47,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614958589] [2021-11-07 11:22:47,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:22:47,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:22:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:22:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:22:48,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:22:48,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614958589] [2021-11-07 11:22:48,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614958589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:22:48,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:22:48,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:22:48,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773997453] [2021-11-07 11:22:48,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:22:48,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:22:48,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:22:48,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:22:48,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:48,274 INFO L87 Difference]: Start difference. First operand 16792 states and 21607 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:50,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:22:50,826 INFO L93 Difference]: Finished difference Result 16792 states and 21607 transitions. [2021-11-07 11:22:50,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:22:50,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 11:22:50,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:22:50,881 INFO L225 Difference]: With dead ends: 16792 [2021-11-07 11:22:50,881 INFO L226 Difference]: Without dead ends: 16790 [2021-11-07 11:22:50,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:50,891 INFO L933 BasicCegarLoop]: 12326 mSDtfsCounter, 12318 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2170.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12318 SdHoareTripleChecker+Valid, 12326 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2301.46ms IncrementalHoareTripleChecker+Time [2021-11-07 11:22:50,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12318 Valid, 12326 Invalid, 2 Unknown, 0 Unchecked, 17.82ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2301.46ms Time] [2021-11-07 11:22:50,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16790 states. [2021-11-07 11:22:51,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16790 to 16790. [2021-11-07 11:22:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16790 states, 16088 states have (on average 1.300845350571855) internal successors, (20928), 16434 states have internal predecessors, (20928), 275 states have call successors, (275), 148 states have call predecessors, (275), 148 states have return successors, (402), 235 states have call predecessors, (402), 275 states have call successors, (402) [2021-11-07 11:22:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16790 states to 16790 states and 21605 transitions. [2021-11-07 11:22:51,264 INFO L78 Accepts]: Start accepts. Automaton has 16790 states and 21605 transitions. Word has length 11 [2021-11-07 11:22:51,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:22:51,265 INFO L470 AbstractCegarLoop]: Abstraction has 16790 states and 21605 transitions. [2021-11-07 11:22:51,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 16790 states and 21605 transitions. [2021-11-07 11:22:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 11:22:51,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:22:51,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:22:51,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 11:22:51,266 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:22:51,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:22:51,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1941017544, now seen corresponding path program 1 times [2021-11-07 11:22:51,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:22:51,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831191423] [2021-11-07 11:22:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:22:51,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:22:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:22:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:22:51,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:22:51,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831191423] [2021-11-07 11:22:51,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831191423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:22:51,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:22:51,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:22:51,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174778146] [2021-11-07 11:22:51,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:22:51,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:22:51,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:22:51,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:22:51,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:51,829 INFO L87 Difference]: Start difference. First operand 16790 states and 21605 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:53,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:54,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:22:54,434 INFO L93 Difference]: Finished difference Result 16790 states and 21605 transitions. [2021-11-07 11:22:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:22:54,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 11:22:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:22:54,494 INFO L225 Difference]: With dead ends: 16790 [2021-11-07 11:22:54,495 INFO L226 Difference]: Without dead ends: 16786 [2021-11-07 11:22:54,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:54,512 INFO L933 BasicCegarLoop]: 12321 mSDtfsCounter, 12305 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2178.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12305 SdHoareTripleChecker+Valid, 12325 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2301.52ms IncrementalHoareTripleChecker+Time [2021-11-07 11:22:54,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12305 Valid, 12325 Invalid, 8 Unknown, 0 Unchecked, 19.96ms Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2301.52ms Time] [2021-11-07 11:22:54,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16786 states. [2021-11-07 11:22:54,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16786 to 16786. [2021-11-07 11:22:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16786 states, 16086 states have (on average 1.3006962576153176) internal successors, (20923), 16430 states have internal predecessors, (20923), 275 states have call successors, (275), 148 states have call predecessors, (275), 148 states have return successors, (402), 235 states have call predecessors, (402), 275 states have call successors, (402) [2021-11-07 11:22:54,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16786 states to 16786 states and 21600 transitions. [2021-11-07 11:22:54,985 INFO L78 Accepts]: Start accepts. Automaton has 16786 states and 21600 transitions. Word has length 12 [2021-11-07 11:22:54,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:22:54,985 INFO L470 AbstractCegarLoop]: Abstraction has 16786 states and 21600 transitions. [2021-11-07 11:22:54,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 16786 states and 21600 transitions. [2021-11-07 11:22:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 11:22:54,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:22:54,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:22:54,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 11:22:54,986 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:22:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:22:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash -41974482, now seen corresponding path program 1 times [2021-11-07 11:22:54,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:22:54,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977221901] [2021-11-07 11:22:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:22:54,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:22:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:22:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:22:55,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:22:55,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977221901] [2021-11-07 11:22:55,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977221901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:22:55,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:22:55,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:22:55,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854504772] [2021-11-07 11:22:55,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:22:55,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:22:55,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:22:55,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:22:55,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:55,527 INFO L87 Difference]: Start difference. First operand 16786 states and 21600 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:57,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:59,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:22:59,017 INFO L93 Difference]: Finished difference Result 40866 states and 53987 transitions. [2021-11-07 11:22:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:22:59,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 11:22:59,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:22:59,100 INFO L225 Difference]: With dead ends: 40866 [2021-11-07 11:22:59,100 INFO L226 Difference]: Without dead ends: 24088 [2021-11-07 11:22:59,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.60ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:59,193 INFO L933 BasicCegarLoop]: 12606 mSDtfsCounter, 5721 mSDsluCounter, 12243 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2676.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5721 SdHoareTripleChecker+Valid, 24849 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.00ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2859.11ms IncrementalHoareTripleChecker+Time [2021-11-07 11:22:59,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5721 Valid, 24849 Invalid, 165 Unknown, 0 Unchecked, 35.00ms Time], IncrementalHoareTripleChecker [63 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2859.11ms Time] [2021-11-07 11:22:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24088 states. [2021-11-07 11:22:59,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24088 to 23135. [2021-11-07 11:22:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23135 states, 22019 states have (on average 1.288568963168173) internal successors, (28373), 22428 states have internal predecessors, (28373), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-07 11:22:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23135 states to 23135 states and 30478 transitions. [2021-11-07 11:22:59,802 INFO L78 Accepts]: Start accepts. Automaton has 23135 states and 30478 transitions. Word has length 13 [2021-11-07 11:22:59,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:22:59,802 INFO L470 AbstractCegarLoop]: Abstraction has 23135 states and 30478 transitions. [2021-11-07 11:22:59,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:22:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 23135 states and 30478 transitions. [2021-11-07 11:22:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 11:22:59,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:22:59,803 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:22:59,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 11:22:59,804 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:22:59,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:22:59,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1301181694, now seen corresponding path program 1 times [2021-11-07 11:22:59,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:22:59,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861232616] [2021-11-07 11:22:59,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:22:59,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:00,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:00,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861232616] [2021-11-07 11:23:00,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861232616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:00,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:00,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:00,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703611788] [2021-11-07 11:23:00,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:00,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:00,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:00,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:00,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:00,353 INFO L87 Difference]: Start difference. First operand 23135 states and 30478 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:02,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:03,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:03,028 INFO L93 Difference]: Finished difference Result 23135 states and 30478 transitions. [2021-11-07 11:23:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:03,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 11:23:03,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:03,093 INFO L225 Difference]: With dead ends: 23135 [2021-11-07 11:23:03,094 INFO L226 Difference]: Without dead ends: 23131 [2021-11-07 11:23:03,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.40ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:03,111 INFO L933 BasicCegarLoop]: 12317 mSDtfsCounter, 12268 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2169.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12268 SdHoareTripleChecker+Valid, 12352 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.39ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2266.84ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:03,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12268 Valid, 12352 Invalid, 8 Unknown, 0 Unchecked, 15.39ms Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2266.84ms Time] [2021-11-07 11:23:03,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23131 states. [2021-11-07 11:23:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23131 to 23131. [2021-11-07 11:23:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23131 states, 22017 states have (on average 1.2883680792115184) internal successors, (28366), 22424 states have internal predecessors, (28366), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-07 11:23:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23131 states to 23131 states and 30471 transitions. [2021-11-07 11:23:04,048 INFO L78 Accepts]: Start accepts. Automaton has 23131 states and 30471 transitions. Word has length 14 [2021-11-07 11:23:04,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:04,048 INFO L470 AbstractCegarLoop]: Abstraction has 23131 states and 30471 transitions. [2021-11-07 11:23:04,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 23131 states and 30471 transitions. [2021-11-07 11:23:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 11:23:04,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:04,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:04,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 11:23:04,049 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:23:04,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:04,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1681899592, now seen corresponding path program 1 times [2021-11-07 11:23:04,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:04,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363953952] [2021-11-07 11:23:04,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:04,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:04,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:04,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363953952] [2021-11-07 11:23:04,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363953952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:04,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:04,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:04,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582019426] [2021-11-07 11:23:04,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:04,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:04,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:04,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:04,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:04,478 INFO L87 Difference]: Start difference. First operand 23131 states and 30471 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:06,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:08,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:08,605 INFO L93 Difference]: Finished difference Result 23131 states and 30471 transitions. [2021-11-07 11:23:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:08,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 11:23:08,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:08,666 INFO L225 Difference]: With dead ends: 23131 [2021-11-07 11:23:08,666 INFO L226 Difference]: Without dead ends: 22919 [2021-11-07 11:23:08,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:08,682 INFO L933 BasicCegarLoop]: 12001 mSDtfsCounter, 10113 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 211 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3459.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10113 SdHoareTripleChecker+Valid, 13559 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.36ms SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3679.39ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:08,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10113 Valid, 13559 Invalid, 635 Unknown, 0 Unchecked, 21.36ms Time], IncrementalHoareTripleChecker [211 Valid, 423 Invalid, 1 Unknown, 0 Unchecked, 3679.39ms Time] [2021-11-07 11:23:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22919 states. [2021-11-07 11:23:09,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22919 to 22919. [2021-11-07 11:23:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22919 states, 21911 states have (on average 1.2789922869791428) internal successors, (28024), 22212 states have internal predecessors, (28024), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-07 11:23:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22919 states to 22919 states and 30129 transitions. [2021-11-07 11:23:09,266 INFO L78 Accepts]: Start accepts. Automaton has 22919 states and 30129 transitions. Word has length 15 [2021-11-07 11:23:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:09,267 INFO L470 AbstractCegarLoop]: Abstraction has 22919 states and 30129 transitions. [2021-11-07 11:23:09,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 22919 states and 30129 transitions. [2021-11-07 11:23:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 11:23:09,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:09,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:09,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 11:23:09,268 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:23:09,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:09,268 INFO L85 PathProgramCache]: Analyzing trace with hash -599252532, now seen corresponding path program 1 times [2021-11-07 11:23:09,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:09,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258498519] [2021-11-07 11:23:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:09,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:09,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:09,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258498519] [2021-11-07 11:23:09,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258498519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:09,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:09,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:09,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231772910] [2021-11-07 11:23:09,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:09,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:09,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:09,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:09,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:09,711 INFO L87 Difference]: Start difference. First operand 22919 states and 30129 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:11,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:12,412 INFO L93 Difference]: Finished difference Result 22919 states and 30129 transitions. [2021-11-07 11:23:12,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:12,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 11:23:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:12,471 INFO L225 Difference]: With dead ends: 22919 [2021-11-07 11:23:12,472 INFO L226 Difference]: Without dead ends: 22917 [2021-11-07 11:23:12,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:12,488 INFO L933 BasicCegarLoop]: 12104 mSDtfsCounter, 12091 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2166.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12091 SdHoareTripleChecker+Valid, 12104 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2286.85ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:12,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12091 Valid, 12104 Invalid, 2 Unknown, 0 Unchecked, 13.06ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2286.85ms Time] [2021-11-07 11:23:12,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22917 states. [2021-11-07 11:23:13,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22917 to 22917. [2021-11-07 11:23:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22917 states, 21910 states have (on average 1.278959379278868) internal successors, (28022), 22210 states have internal predecessors, (28022), 545 states have call successors, (545), 296 states have call predecessors, (545), 294 states have return successors, (1560), 465 states have call predecessors, (1560), 545 states have call successors, (1560) [2021-11-07 11:23:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22917 states to 22917 states and 30127 transitions. [2021-11-07 11:23:13,325 INFO L78 Accepts]: Start accepts. Automaton has 22917 states and 30127 transitions. Word has length 16 [2021-11-07 11:23:13,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:13,325 INFO L470 AbstractCegarLoop]: Abstraction has 22917 states and 30127 transitions. [2021-11-07 11:23:13,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 22917 states and 30127 transitions. [2021-11-07 11:23:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 11:23:13,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:13,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:13,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 11:23:13,327 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:23:13,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:13,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1396932030, now seen corresponding path program 1 times [2021-11-07 11:23:13,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:13,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106222576] [2021-11-07 11:23:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:13,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:13,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:13,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106222576] [2021-11-07 11:23:13,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106222576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:13,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:13,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:13,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700202623] [2021-11-07 11:23:13,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:13,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:13,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:13,725 INFO L87 Difference]: Start difference. First operand 22917 states and 30127 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:15,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:17,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:17,406 INFO L93 Difference]: Finished difference Result 66235 states and 91706 transitions. [2021-11-07 11:23:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:17,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 11:23:17,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:17,531 INFO L225 Difference]: With dead ends: 66235 [2021-11-07 11:23:17,531 INFO L226 Difference]: Without dead ends: 43326 [2021-11-07 11:23:17,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:17,670 INFO L933 BasicCegarLoop]: 13803 mSDtfsCounter, 12187 mSDsluCounter, 10593 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2230.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12187 SdHoareTripleChecker+Valid, 24396 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.09ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2334.57ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:17,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12187 Valid, 24396 Invalid, 40 Unknown, 0 Unchecked, 24.09ms Time], IncrementalHoareTripleChecker [15 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2334.57ms Time] [2021-11-07 11:23:17,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43326 states. [2021-11-07 11:23:18,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43326 to 42181. [2021-11-07 11:23:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42181 states, 40369 states have (on average 1.2825930788476305) internal successors, (51777), 40789 states have internal predecessors, (51777), 1058 states have call successors, (1058), 592 states have call predecessors, (1058), 588 states have return successors, (4470), 898 states have call predecessors, (4470), 1058 states have call successors, (4470) [2021-11-07 11:23:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42181 states to 42181 states and 57305 transitions. [2021-11-07 11:23:19,173 INFO L78 Accepts]: Start accepts. Automaton has 42181 states and 57305 transitions. Word has length 17 [2021-11-07 11:23:19,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:19,174 INFO L470 AbstractCegarLoop]: Abstraction has 42181 states and 57305 transitions. [2021-11-07 11:23:19,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 42181 states and 57305 transitions. [2021-11-07 11:23:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 11:23:19,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:19,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:19,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 11:23:19,175 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:23:19,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:19,175 INFO L85 PathProgramCache]: Analyzing trace with hash -355192682, now seen corresponding path program 1 times [2021-11-07 11:23:19,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:19,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24471618] [2021-11-07 11:23:19,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:19,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:19,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:19,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24471618] [2021-11-07 11:23:19,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24471618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:19,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:19,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:19,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301435990] [2021-11-07 11:23:19,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:19,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:19,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:19,566 INFO L87 Difference]: Start difference. First operand 42181 states and 57305 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:21,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:22,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:22,860 INFO L93 Difference]: Finished difference Result 42181 states and 57305 transitions. [2021-11-07 11:23:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:22,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 11:23:22,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:22,957 INFO L225 Difference]: With dead ends: 42181 [2021-11-07 11:23:22,957 INFO L226 Difference]: Without dead ends: 42179 [2021-11-07 11:23:22,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:22,982 INFO L933 BasicCegarLoop]: 12098 mSDtfsCounter, 12083 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2152.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12083 SdHoareTripleChecker+Valid, 12098 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2318.86ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:22,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12083 Valid, 12098 Invalid, 2 Unknown, 0 Unchecked, 12.46ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2318.86ms Time] [2021-11-07 11:23:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42179 states. [2021-11-07 11:23:24,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42179 to 42179. [2021-11-07 11:23:24,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42179 states, 40368 states have (on average 1.2825753071739991) internal successors, (51775), 40787 states have internal predecessors, (51775), 1058 states have call successors, (1058), 592 states have call predecessors, (1058), 588 states have return successors, (4470), 898 states have call predecessors, (4470), 1058 states have call successors, (4470) [2021-11-07 11:23:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42179 states to 42179 states and 57303 transitions. [2021-11-07 11:23:24,381 INFO L78 Accepts]: Start accepts. Automaton has 42179 states and 57303 transitions. Word has length 18 [2021-11-07 11:23:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:24,381 INFO L470 AbstractCegarLoop]: Abstraction has 42179 states and 57303 transitions. [2021-11-07 11:23:24,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 42179 states and 57303 transitions. [2021-11-07 11:23:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 11:23:24,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:24,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:24,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 11:23:24,382 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:23:24,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:24,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1873956044, now seen corresponding path program 1 times [2021-11-07 11:23:24,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:24,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465169291] [2021-11-07 11:23:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:24,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:24,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:24,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465169291] [2021-11-07 11:23:24,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465169291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:24,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:24,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:24,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690295378] [2021-11-07 11:23:24,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:24,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:24,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:24,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:24,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:24,775 INFO L87 Difference]: Start difference. First operand 42179 states and 57303 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:26,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:29,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:29,675 INFO L93 Difference]: Finished difference Result 121886 states and 178602 transitions. [2021-11-07 11:23:29,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:29,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 11:23:29,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:29,972 INFO L225 Difference]: With dead ends: 121886 [2021-11-07 11:23:29,972 INFO L226 Difference]: Without dead ends: 79715 [2021-11-07 11:23:30,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:30,571 INFO L933 BasicCegarLoop]: 14336 mSDtfsCounter, 12070 mSDsluCounter, 10572 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2199.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12070 SdHoareTripleChecker+Valid, 24908 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.03ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2293.65ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:30,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12070 Valid, 24908 Invalid, 22 Unknown, 0 Unchecked, 23.03ms Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2293.65ms Time] [2021-11-07 11:23:30,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79715 states. [2021-11-07 11:23:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79715 to 78156. [2021-11-07 11:23:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78156 states, 74810 states have (on average 1.2872209597647373) internal successors, (96297), 75462 states have internal predecessors, (96297), 2038 states have call successors, (2038), 1156 states have call predecessors, (2038), 1144 states have return successors, (12602), 1688 states have call predecessors, (12602), 2038 states have call successors, (12602) [2021-11-07 11:23:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78156 states to 78156 states and 110937 transitions. [2021-11-07 11:23:33,817 INFO L78 Accepts]: Start accepts. Automaton has 78156 states and 110937 transitions. Word has length 19 [2021-11-07 11:23:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:33,818 INFO L470 AbstractCegarLoop]: Abstraction has 78156 states and 110937 transitions. [2021-11-07 11:23:33,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 78156 states and 110937 transitions. [2021-11-07 11:23:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 11:23:33,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:33,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:33,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 11:23:33,819 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:23:33,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:33,819 INFO L85 PathProgramCache]: Analyzing trace with hash -2036877472, now seen corresponding path program 1 times [2021-11-07 11:23:33,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:33,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033100156] [2021-11-07 11:23:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:33,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:34,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:34,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033100156] [2021-11-07 11:23:34,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033100156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:34,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:34,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:34,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996504458] [2021-11-07 11:23:34,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:34,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:34,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:34,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:34,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:34,298 INFO L87 Difference]: Start difference. First operand 78156 states and 110937 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:36,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:38,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:38,738 INFO L93 Difference]: Finished difference Result 78156 states and 110937 transitions. [2021-11-07 11:23:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:38,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-07 11:23:38,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:38,957 INFO L225 Difference]: With dead ends: 78156 [2021-11-07 11:23:38,958 INFO L226 Difference]: Without dead ends: 78154 [2021-11-07 11:23:38,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:38,988 INFO L933 BasicCegarLoop]: 12094 mSDtfsCounter, 12077 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2162.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12077 SdHoareTripleChecker+Valid, 12094 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2245.31ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:38,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12077 Valid, 12094 Invalid, 2 Unknown, 0 Unchecked, 14.51ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2245.31ms Time] [2021-11-07 11:23:39,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78154 states. [2021-11-07 11:23:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78154 to 78154. [2021-11-07 11:23:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78154 states, 74809 states have (on average 1.2872114317795986) internal successors, (96295), 75460 states have internal predecessors, (96295), 2038 states have call successors, (2038), 1156 states have call predecessors, (2038), 1144 states have return successors, (12602), 1688 states have call predecessors, (12602), 2038 states have call successors, (12602) [2021-11-07 11:23:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78154 states to 78154 states and 110935 transitions. [2021-11-07 11:23:42,314 INFO L78 Accepts]: Start accepts. Automaton has 78154 states and 110935 transitions. Word has length 20 [2021-11-07 11:23:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:42,314 INFO L470 AbstractCegarLoop]: Abstraction has 78154 states and 110935 transitions. [2021-11-07 11:23:42,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 78154 states and 110935 transitions. [2021-11-07 11:23:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 11:23:42,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:42,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:42,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 11:23:42,315 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0Err1ASSERT_VIOLATIONERROR_FUNCTION (and 279 more)] === [2021-11-07 11:23:42,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:42,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1281335126, now seen corresponding path program 1 times [2021-11-07 11:23:42,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:42,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848806933] [2021-11-07 11:23:42,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:42,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:23:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:23:42,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:23:42,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848806933] [2021-11-07 11:23:42,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848806933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:23:42,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:23:42,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:23:42,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283178611] [2021-11-07 11:23:42,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:23:42,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:23:42,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:23:42,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:23:42,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:42,682 INFO L87 Difference]: Start difference. First operand 78154 states and 110935 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:23:44,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:47,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:47,268 INFO L93 Difference]: Finished difference Result 78154 states and 110935 transitions. [2021-11-07 11:23:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:23:47,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-07 11:23:47,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:47,568 INFO L225 Difference]: With dead ends: 78154 [2021-11-07 11:23:47,568 INFO L226 Difference]: Without dead ends: 78139 [2021-11-07 11:23:47,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:23:47,603 INFO L933 BasicCegarLoop]: 12093 mSDtfsCounter, 12074 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2151.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12074 SdHoareTripleChecker+Valid, 12093 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2154.73ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:47,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12074 Valid, 12093 Invalid, 1 Unknown, 0 Unchecked, 14.56ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2154.73ms Time] [2021-11-07 11:23:47,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78139 states.