/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 16:24:31,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 16:24:31,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 16:24:31,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-23 16:24:31,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 16:24:31,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 16:24:31,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 16:24:31,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 16:24:31,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 16:24:31,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 16:24:31,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 16:24:31,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 16:24:31,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 16:24:31,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 16:24:31,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 16:24:31,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 16:24:31,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 16:24:31,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 16:24:31,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 16:24:31,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 16:24:31,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 16:24:31,663 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 16:24:31,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 16:24:31,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 16:24:31,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 16:24:31,670 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 16:24:31,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 16:24:31,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 16:24:31,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 16:24:31,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 16:24:31,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 16:24:31,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 16:24:31,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 16:24:31,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 16:24:31,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 16:24:31,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 16:24:31,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 16:24:31,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 16:24:31,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 16:24:31,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 16:24:31,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 16:24:31,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 16:24:31,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 16:24:31,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 16:24:31,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 16:24:31,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 16:24:31,675 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 16:24:32,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 16:24:32,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 16:24:32,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 16:24:32,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 16:24:32,206 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 16:24:32,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-2.i [2020-12-23 16:24:32,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/77d84206d/ae20da72753b41f78b3f3371d85aaba2/FLAGc1ed57c91 [2020-12-23 16:24:33,147 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 16:24:33,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-2.i [2020-12-23 16:24:33,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/77d84206d/ae20da72753b41f78b3f3371d85aaba2/FLAGc1ed57c91 [2020-12-23 16:24:33,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/77d84206d/ae20da72753b41f78b3f3371d85aaba2 [2020-12-23 16:24:33,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 16:24:33,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 16:24:33,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 16:24:33,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 16:24:33,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 16:24:33,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:24:33" (1/1) ... [2020-12-23 16:24:33,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4861e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:33, skipping insertion in model container [2020-12-23 16:24:33,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:24:33" (1/1) ... [2020-12-23 16:24:33,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 16:24:33,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 16:24:34,001 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-2.i[33022,33035] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem81,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem81,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem91,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem91,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem117,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem117,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem165,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem165,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem166,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem166,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem167,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem167,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem168,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem168,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem169,],base],StructAccessExpression[IdentifierExpression[#t~mem169,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem171,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem171,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem184,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem184,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem185,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem185,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem197,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem197,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem209,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem209,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem219,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem219,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem245,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem245,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem253,],base],StructAccessExpression[IdentifierExpression[#t~mem253,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem254,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem254,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem264,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem264,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~3,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~3,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~4,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~4,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~3,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~5,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~5,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem449,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem449,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem454,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem454,],offset],IdentifierExpression[#t~mem456,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem460,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem460,],offset],IdentifierExpression[#t~mem462,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem474,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem474,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem477,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem477,],offset]]]] [2020-12-23 16:24:34,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:24:34,318 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 16:24:34,360 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-2.i[33022,33035] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem44,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem44,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem45,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem45,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem46,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem46,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem47,],base],StructAccessExpression[IdentifierExpression[#t~mem47,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem49,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem49,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem62,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem62,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem63,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem63,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem75,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem75,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem89,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem89,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem99,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem99,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem134,],base],StructAccessExpression[IdentifierExpression[#t~mem134,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem146,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem146,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[116],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[104],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[112],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem175,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem175,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem176,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem176,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem177,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem177,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem178,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem178,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem179,],base],StructAccessExpression[IdentifierExpression[#t~mem179,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem181,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem181,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~altusers~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[64],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[72],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem194,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem194,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem195,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem195,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[96],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem207,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem207,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~1,],base],StructAccessExpression[IdentifierExpression[~_ha_head~1,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem221,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem221,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem231,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem231,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem258,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem258,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem266,],base],StructAccessExpression[IdentifierExpression[#t~mem266,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem268,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem268,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem278,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem278,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~1,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~3,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~3,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: address: IdentifierExpression[~#i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~2,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~4,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~4,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_hashv~3,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~5,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~5,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~_hf_bkt~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem467,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem467,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem472,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem472,],offset],IdentifierExpression[#t~mem474,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem478,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem478,],offset],IdentifierExpression[#t~mem480,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem492,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem492,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem495,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem495,],offset]]]] [2020-12-23 16:24:34,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:24:34,752 INFO L208 MainTranslator]: Completed translation [2020-12-23 16:24:34,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34 WrapperNode [2020-12-23 16:24:34,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 16:24:34,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 16:24:34,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 16:24:34,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 16:24:34,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:34,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 16:24:35,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 16:24:35,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 16:24:35,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 16:24:35,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... [2020-12-23 16:24:35,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 16:24:35,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 16:24:35,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 16:24:35,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 16:24:35,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 16:24:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 16:24:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 16:24:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 16:24:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-23 16:24:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 16:24:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-23 16:24:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-23 16:24:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 16:24:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 16:24:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 16:24:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 16:24:38,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 16:24:38,875 INFO L299 CfgBuilder]: Removed 216 assume(true) statements. [2020-12-23 16:24:38,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:24:38 BoogieIcfgContainer [2020-12-23 16:24:38,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 16:24:38,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 16:24:38,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 16:24:38,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 16:24:38,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:24:33" (1/3) ... [2020-12-23 16:24:38,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4089ece7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:24:38, skipping insertion in model container [2020-12-23 16:24:38,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:24:34" (2/3) ... [2020-12-23 16:24:38,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4089ece7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:24:38, skipping insertion in model container [2020-12-23 16:24:38,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:24:38" (3/3) ... [2020-12-23 16:24:38,888 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test10-2.i [2020-12-23 16:24:38,896 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 16:24:38,902 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-12-23 16:24:38,924 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-12-23 16:24:38,958 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 16:24:38,958 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 16:24:38,959 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 16:24:38,959 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 16:24:38,959 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 16:24:38,959 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 16:24:38,959 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 16:24:38,959 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 16:24:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states. [2020-12-23 16:24:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 16:24:38,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:38,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:38,998 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:39,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:39,005 INFO L82 PathProgramCache]: Analyzing trace with hash -128377380, now seen corresponding path program 1 times [2020-12-23 16:24:39,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:39,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747807070] [2020-12-23 16:24:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:24:39,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747807070] [2020-12-23 16:24:39,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:39,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 16:24:39,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661574325] [2020-12-23 16:24:39,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 16:24:39,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:39,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 16:24:39,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 16:24:39,239 INFO L87 Difference]: Start difference. First operand 499 states. Second operand 2 states. [2020-12-23 16:24:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:39,312 INFO L93 Difference]: Finished difference Result 996 states and 1678 transitions. [2020-12-23 16:24:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 16:24:39,314 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-23 16:24:39,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:39,335 INFO L225 Difference]: With dead ends: 996 [2020-12-23 16:24:39,335 INFO L226 Difference]: Without dead ends: 465 [2020-12-23 16:24:39,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 16:24:39,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-12-23 16:24:39,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2020-12-23 16:24:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-12-23 16:24:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 608 transitions. [2020-12-23 16:24:39,429 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 608 transitions. Word has length 9 [2020-12-23 16:24:39,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:39,430 INFO L481 AbstractCegarLoop]: Abstraction has 465 states and 608 transitions. [2020-12-23 16:24:39,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 16:24:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 608 transitions. [2020-12-23 16:24:39,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 16:24:39,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:39,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:39,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 16:24:39,434 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:39,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:39,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1568739198, now seen corresponding path program 1 times [2020-12-23 16:24:39,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:39,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288478546] [2020-12-23 16:24:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:24:39,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288478546] [2020-12-23 16:24:39,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:39,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:24:39,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709527775] [2020-12-23 16:24:39,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:24:39,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:39,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:24:39,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:24:39,621 INFO L87 Difference]: Start difference. First operand 465 states and 608 transitions. Second operand 4 states. [2020-12-23 16:24:40,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:40,422 INFO L93 Difference]: Finished difference Result 831 states and 1087 transitions. [2020-12-23 16:24:40,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:24:40,423 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-12-23 16:24:40,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:40,430 INFO L225 Difference]: With dead ends: 831 [2020-12-23 16:24:40,430 INFO L226 Difference]: Without dead ends: 540 [2020-12-23 16:24:40,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:40,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-12-23 16:24:40,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 467. [2020-12-23 16:24:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-12-23 16:24:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 610 transitions. [2020-12-23 16:24:40,470 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 610 transitions. Word has length 44 [2020-12-23 16:24:40,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:40,470 INFO L481 AbstractCegarLoop]: Abstraction has 467 states and 610 transitions. [2020-12-23 16:24:40,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:24:40,471 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 610 transitions. [2020-12-23 16:24:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 16:24:40,476 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:40,477 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:40,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 16:24:40,478 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:40,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:40,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1325558428, now seen corresponding path program 1 times [2020-12-23 16:24:40,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:40,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999114740] [2020-12-23 16:24:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:40,520 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:40,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324578280] [2020-12-23 16:24:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:40,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:24:40,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:24:40,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999114740] [2020-12-23 16:24:40,965 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:40,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324578280] [2020-12-23 16:24:40,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:40,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:24:40,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704837500] [2020-12-23 16:24:40,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:24:40,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:40,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:24:40,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:40,978 INFO L87 Difference]: Start difference. First operand 467 states and 610 transitions. Second operand 3 states. [2020-12-23 16:24:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:41,096 INFO L93 Difference]: Finished difference Result 951 states and 1247 transitions. [2020-12-23 16:24:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:24:41,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 16:24:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:41,100 INFO L225 Difference]: With dead ends: 951 [2020-12-23 16:24:41,100 INFO L226 Difference]: Without dead ends: 488 [2020-12-23 16:24:41,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-12-23 16:24:41,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 487. [2020-12-23 16:24:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-12-23 16:24:41,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 630 transitions. [2020-12-23 16:24:41,129 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 630 transitions. Word has length 97 [2020-12-23 16:24:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:41,129 INFO L481 AbstractCegarLoop]: Abstraction has 487 states and 630 transitions. [2020-12-23 16:24:41,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:24:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 630 transitions. [2020-12-23 16:24:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 16:24:41,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:41,135 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:41,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 16:24:41,350 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:41,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:41,351 INFO L82 PathProgramCache]: Analyzing trace with hash 948433376, now seen corresponding path program 1 times [2020-12-23 16:24:41,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:41,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664452760] [2020-12-23 16:24:41,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:41,416 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:41,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132460596] [2020-12-23 16:24:41,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:41,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:24:41,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 16:24:41,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664452760] [2020-12-23 16:24:41,975 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:41,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132460596] [2020-12-23 16:24:41,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:41,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:24:41,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136204663] [2020-12-23 16:24:41,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:24:41,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:41,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:24:41,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:41,985 INFO L87 Difference]: Start difference. First operand 487 states and 630 transitions. Second operand 3 states. [2020-12-23 16:24:42,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:42,089 INFO L93 Difference]: Finished difference Result 787 states and 1024 transitions. [2020-12-23 16:24:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:24:42,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 16:24:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:42,094 INFO L225 Difference]: With dead ends: 787 [2020-12-23 16:24:42,094 INFO L226 Difference]: Without dead ends: 508 [2020-12-23 16:24:42,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:42,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-12-23 16:24:42,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 507. [2020-12-23 16:24:42,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-12-23 16:24:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 650 transitions. [2020-12-23 16:24:42,113 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 650 transitions. Word has length 97 [2020-12-23 16:24:42,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:42,114 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 650 transitions. [2020-12-23 16:24:42,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:24:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 650 transitions. [2020-12-23 16:24:42,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 16:24:42,119 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:42,119 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:42,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:42,334 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:42,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:42,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1352389214, now seen corresponding path program 1 times [2020-12-23 16:24:42,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:42,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641722530] [2020-12-23 16:24:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:42,386 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:42,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742882546] [2020-12-23 16:24:42,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:42,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:24:42,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:24:42,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641722530] [2020-12-23 16:24:42,931 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:42,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742882546] [2020-12-23 16:24:42,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:42,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:24:42,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054775537] [2020-12-23 16:24:42,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:24:42,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:42,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:24:42,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:24:42,934 INFO L87 Difference]: Start difference. First operand 507 states and 650 transitions. Second operand 4 states. [2020-12-23 16:24:43,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:43,061 INFO L93 Difference]: Finished difference Result 1086 states and 1400 transitions. [2020-12-23 16:24:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:24:43,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2020-12-23 16:24:43,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:43,066 INFO L225 Difference]: With dead ends: 1086 [2020-12-23 16:24:43,067 INFO L226 Difference]: Without dead ends: 583 [2020-12-23 16:24:43,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2020-12-23 16:24:43,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 493. [2020-12-23 16:24:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-12-23 16:24:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 629 transitions. [2020-12-23 16:24:43,088 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 629 transitions. Word has length 97 [2020-12-23 16:24:43,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:43,088 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 629 transitions. [2020-12-23 16:24:43,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:24:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 629 transitions. [2020-12-23 16:24:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 16:24:43,090 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:43,090 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:43,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:43,305 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:43,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:43,307 INFO L82 PathProgramCache]: Analyzing trace with hash 881478960, now seen corresponding path program 1 times [2020-12-23 16:24:43,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:43,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605629881] [2020-12-23 16:24:43,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:43,332 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:43,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164491812] [2020-12-23 16:24:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:43,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:24:43,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 16:24:43,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605629881] [2020-12-23 16:24:43,817 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:43,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164491812] [2020-12-23 16:24:43,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:43,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:24:43,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774452782] [2020-12-23 16:24:43,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:24:43,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:43,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:24:43,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:24:43,826 INFO L87 Difference]: Start difference. First operand 493 states and 629 transitions. Second operand 4 states. [2020-12-23 16:24:43,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:43,928 INFO L93 Difference]: Finished difference Result 761 states and 972 transitions. [2020-12-23 16:24:43,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:24:43,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2020-12-23 16:24:43,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:43,933 INFO L225 Difference]: With dead ends: 761 [2020-12-23 16:24:43,934 INFO L226 Difference]: Without dead ends: 480 [2020-12-23 16:24:43,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:43,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-12-23 16:24:43,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 479. [2020-12-23 16:24:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-12-23 16:24:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 608 transitions. [2020-12-23 16:24:43,949 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 608 transitions. Word has length 97 [2020-12-23 16:24:43,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:43,952 INFO L481 AbstractCegarLoop]: Abstraction has 479 states and 608 transitions. [2020-12-23 16:24:43,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:24:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 608 transitions. [2020-12-23 16:24:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 16:24:43,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:43,954 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:44,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:44,169 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:44,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:44,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1427704734, now seen corresponding path program 1 times [2020-12-23 16:24:44,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:44,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771648991] [2020-12-23 16:24:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:44,196 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:44,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [691431795] [2020-12-23 16:24:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:44,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 16:24:44,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:24:44,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771648991] [2020-12-23 16:24:44,671 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:44,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691431795] [2020-12-23 16:24:44,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:44,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:24:44,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099837956] [2020-12-23 16:24:44,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:24:44,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:44,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:24:44,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:44,674 INFO L87 Difference]: Start difference. First operand 479 states and 608 transitions. Second operand 3 states. [2020-12-23 16:24:44,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:44,766 INFO L93 Difference]: Finished difference Result 1231 states and 1562 transitions. [2020-12-23 16:24:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:24:44,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 16:24:44,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:44,772 INFO L225 Difference]: With dead ends: 1231 [2020-12-23 16:24:44,772 INFO L226 Difference]: Without dead ends: 756 [2020-12-23 16:24:44,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:44,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-12-23 16:24:44,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 721. [2020-12-23 16:24:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-12-23 16:24:44,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 930 transitions. [2020-12-23 16:24:44,799 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 930 transitions. Word has length 97 [2020-12-23 16:24:44,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:44,800 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 930 transitions. [2020-12-23 16:24:44,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:24:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 930 transitions. [2020-12-23 16:24:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 16:24:44,801 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:44,802 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:45,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-23 16:24:45,015 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:45,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:45,016 INFO L82 PathProgramCache]: Analyzing trace with hash -371205377, now seen corresponding path program 1 times [2020-12-23 16:24:45,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:45,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14422446] [2020-12-23 16:24:45,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:45,046 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:45,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605851251] [2020-12-23 16:24:45,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:45,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:24:45,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:24:45,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14422446] [2020-12-23 16:24:45,528 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:45,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605851251] [2020-12-23 16:24:45,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:45,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:24:45,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977596968] [2020-12-23 16:24:45,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:24:45,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:45,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:24:45,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:45,530 INFO L87 Difference]: Start difference. First operand 721 states and 930 transitions. Second operand 3 states. [2020-12-23 16:24:45,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:45,596 INFO L93 Difference]: Finished difference Result 1400 states and 1809 transitions. [2020-12-23 16:24:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:24:45,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-12-23 16:24:45,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:45,602 INFO L225 Difference]: With dead ends: 1400 [2020-12-23 16:24:45,602 INFO L226 Difference]: Without dead ends: 727 [2020-12-23 16:24:45,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-12-23 16:24:45,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2020-12-23 16:24:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-12-23 16:24:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 936 transitions. [2020-12-23 16:24:45,629 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 936 transitions. Word has length 104 [2020-12-23 16:24:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:45,630 INFO L481 AbstractCegarLoop]: Abstraction has 727 states and 936 transitions. [2020-12-23 16:24:45,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:24:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 936 transitions. [2020-12-23 16:24:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 16:24:45,631 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:45,632 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:45,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:45,846 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:45,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:45,848 INFO L82 PathProgramCache]: Analyzing trace with hash -2085853600, now seen corresponding path program 1 times [2020-12-23 16:24:45,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:45,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92201344] [2020-12-23 16:24:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:45,870 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:45,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388376531] [2020-12-23 16:24:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:46,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 16:24:46,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 16:24:46,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92201344] [2020-12-23 16:24:46,443 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:46,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388376531] [2020-12-23 16:24:46,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:24:46,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-12-23 16:24:46,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90999679] [2020-12-23 16:24:46,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:24:46,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:46,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:24:46,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:24:46,447 INFO L87 Difference]: Start difference. First operand 727 states and 936 transitions. Second operand 4 states. [2020-12-23 16:24:46,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:46,539 INFO L93 Difference]: Finished difference Result 1411 states and 1820 transitions. [2020-12-23 16:24:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:24:46,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-12-23 16:24:46,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:46,544 INFO L225 Difference]: With dead ends: 1411 [2020-12-23 16:24:46,545 INFO L226 Difference]: Without dead ends: 733 [2020-12-23 16:24:46,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:24:46,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-12-23 16:24:46,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2020-12-23 16:24:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-12-23 16:24:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 942 transitions. [2020-12-23 16:24:46,574 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 942 transitions. Word has length 106 [2020-12-23 16:24:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:46,575 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 942 transitions. [2020-12-23 16:24:46,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:24:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 942 transitions. [2020-12-23 16:24:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-23 16:24:46,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:46,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:46,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:46,792 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:46,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:46,793 INFO L82 PathProgramCache]: Analyzing trace with hash -462744993, now seen corresponding path program 2 times [2020-12-23 16:24:46,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:46,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234920027] [2020-12-23 16:24:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:46,816 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:46,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748351212] [2020-12-23 16:24:46,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:48,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:24:48,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:24:48,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 16:24:48,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 16:24:48,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234920027] [2020-12-23 16:24:48,283 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:48,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748351212] [2020-12-23 16:24:48,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:24:48,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-12-23 16:24:48,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214002665] [2020-12-23 16:24:48,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 16:24:48,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:48,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 16:24:48,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:48,285 INFO L87 Difference]: Start difference. First operand 733 states and 942 transitions. Second operand 5 states. [2020-12-23 16:24:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:48,398 INFO L93 Difference]: Finished difference Result 1422 states and 1831 transitions. [2020-12-23 16:24:48,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 16:24:48,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-12-23 16:24:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:48,403 INFO L225 Difference]: With dead ends: 1422 [2020-12-23 16:24:48,403 INFO L226 Difference]: Without dead ends: 739 [2020-12-23 16:24:48,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-12-23 16:24:48,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2020-12-23 16:24:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-12-23 16:24:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 948 transitions. [2020-12-23 16:24:48,459 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 948 transitions. Word has length 108 [2020-12-23 16:24:48,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:48,460 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 948 transitions. [2020-12-23 16:24:48,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 16:24:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 948 transitions. [2020-12-23 16:24:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 16:24:48,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:48,462 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:48,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 16:24:48,663 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:48,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:48,664 INFO L82 PathProgramCache]: Analyzing trace with hash 87417216, now seen corresponding path program 3 times [2020-12-23 16:24:48,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:48,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604024058] [2020-12-23 16:24:48,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:48,682 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:48,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750148722] [2020-12-23 16:24:48,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:50,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 16:24:50,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:24:50,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 16:24:50,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:50,281 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-23 16:24:50,282 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 16:24:50,288 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 16:24:50,292 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 16:24:50,293 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 16:24:50,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 16:24:50,299 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 16:24:50,299 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:13 [2020-12-23 16:24:50,327 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 16:24:50,327 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-23 16:24:50,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 16:24:50,336 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 16:24:50,341 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 16:24:50,341 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 16:24:50,342 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2020-12-23 16:24:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 16:24:50,375 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-23 16:24:50,377 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 16:24:50,381 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 16:24:50,384 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 16:24:50,385 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:70, output treesize:3 [2020-12-23 16:24:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-23 16:24:50,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604024058] [2020-12-23 16:24:50,472 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:50,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750148722] [2020-12-23 16:24:50,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:50,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 16:24:50,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152709608] [2020-12-23 16:24:50,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 16:24:50,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:50,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 16:24:50,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:50,475 INFO L87 Difference]: Start difference. First operand 739 states and 948 transitions. Second operand 5 states. [2020-12-23 16:24:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:51,566 INFO L93 Difference]: Finished difference Result 1382 states and 1772 transitions. [2020-12-23 16:24:51,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 16:24:51,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-12-23 16:24:51,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:51,571 INFO L225 Difference]: With dead ends: 1382 [2020-12-23 16:24:51,571 INFO L226 Difference]: Without dead ends: 739 [2020-12-23 16:24:51,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 16:24:51,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-12-23 16:24:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2020-12-23 16:24:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-12-23 16:24:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 947 transitions. [2020-12-23 16:24:51,596 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 947 transitions. Word has length 110 [2020-12-23 16:24:51,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:51,596 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 947 transitions. [2020-12-23 16:24:51,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 16:24:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 947 transitions. [2020-12-23 16:24:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-23 16:24:51,599 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:51,599 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:51,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:51,808 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:51,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2117457625, now seen corresponding path program 1 times [2020-12-23 16:24:51,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:51,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553702361] [2020-12-23 16:24:51,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:51,839 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:51,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1538347150] [2020-12-23 16:24:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:52,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:24:52,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-23 16:24:52,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553702361] [2020-12-23 16:24:52,510 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:52,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538347150] [2020-12-23 16:24:52,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:52,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:24:52,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551921996] [2020-12-23 16:24:52,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:24:52,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:52,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:24:52,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:52,513 INFO L87 Difference]: Start difference. First operand 739 states and 947 transitions. Second operand 3 states. [2020-12-23 16:24:52,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:52,647 INFO L93 Difference]: Finished difference Result 1502 states and 1935 transitions. [2020-12-23 16:24:52,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:24:52,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-12-23 16:24:52,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:52,654 INFO L225 Difference]: With dead ends: 1502 [2020-12-23 16:24:52,654 INFO L226 Difference]: Without dead ends: 781 [2020-12-23 16:24:52,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:24:52,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-12-23 16:24:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 779. [2020-12-23 16:24:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-12-23 16:24:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 987 transitions. [2020-12-23 16:24:52,684 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 987 transitions. Word has length 157 [2020-12-23 16:24:52,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:52,684 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 987 transitions. [2020-12-23 16:24:52,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:24:52,685 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 987 transitions. [2020-12-23 16:24:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-23 16:24:52,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:52,688 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:52,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:52,903 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:52,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:52,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1572585051, now seen corresponding path program 1 times [2020-12-23 16:24:52,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:52,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493349097] [2020-12-23 16:24:52,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:52,929 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:52,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127873618] [2020-12-23 16:24:52,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:53,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 16:24:53,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-23 16:24:53,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493349097] [2020-12-23 16:24:53,490 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:53,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127873618] [2020-12-23 16:24:53,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:53,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:24:53,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704988273] [2020-12-23 16:24:53,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:24:53,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:53,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:24:53,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:24:53,492 INFO L87 Difference]: Start difference. First operand 779 states and 987 transitions. Second operand 4 states. [2020-12-23 16:24:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:53,616 INFO L93 Difference]: Finished difference Result 1496 states and 1900 transitions. [2020-12-23 16:24:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:24:53,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2020-12-23 16:24:53,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:53,621 INFO L225 Difference]: With dead ends: 1496 [2020-12-23 16:24:53,621 INFO L226 Difference]: Without dead ends: 753 [2020-12-23 16:24:53,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:53,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-12-23 16:24:53,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 751. [2020-12-23 16:24:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2020-12-23 16:24:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 945 transitions. [2020-12-23 16:24:53,647 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 945 transitions. Word has length 157 [2020-12-23 16:24:53,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:53,647 INFO L481 AbstractCegarLoop]: Abstraction has 751 states and 945 transitions. [2020-12-23 16:24:53,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:24:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 945 transitions. [2020-12-23 16:24:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-23 16:24:53,650 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:53,650 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:53,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 16:24:53,864 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:53,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:53,865 INFO L82 PathProgramCache]: Analyzing trace with hash 94293941, now seen corresponding path program 1 times [2020-12-23 16:24:53,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:53,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996734745] [2020-12-23 16:24:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:53,903 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:53,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518877496] [2020-12-23 16:24:53,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:54,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 16:24:54,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-23 16:24:54,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996734745] [2020-12-23 16:24:54,544 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:54,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518877496] [2020-12-23 16:24:54,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:54,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 16:24:54,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061241443] [2020-12-23 16:24:54,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 16:24:54,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:54,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 16:24:54,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:54,547 INFO L87 Difference]: Start difference. First operand 751 states and 945 transitions. Second operand 5 states. [2020-12-23 16:24:54,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:54,748 INFO L93 Difference]: Finished difference Result 2209 states and 2786 transitions. [2020-12-23 16:24:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 16:24:54,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-12-23 16:24:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:54,759 INFO L225 Difference]: With dead ends: 2209 [2020-12-23 16:24:54,759 INFO L226 Difference]: Without dead ends: 1496 [2020-12-23 16:24:54,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:54,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-12-23 16:24:54,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 797. [2020-12-23 16:24:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2020-12-23 16:24:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 995 transitions. [2020-12-23 16:24:54,795 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 995 transitions. Word has length 157 [2020-12-23 16:24:54,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:54,795 INFO L481 AbstractCegarLoop]: Abstraction has 797 states and 995 transitions. [2020-12-23 16:24:54,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 16:24:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 995 transitions. [2020-12-23 16:24:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-23 16:24:54,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:54,799 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:55,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 16:24:55,015 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:55,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:55,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1994860229, now seen corresponding path program 1 times [2020-12-23 16:24:55,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:55,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451977325] [2020-12-23 16:24:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:55,035 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:55,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667282704] [2020-12-23 16:24:55,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:55,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 16:24:55,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-23 16:24:55,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451977325] [2020-12-23 16:24:55,584 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:55,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667282704] [2020-12-23 16:24:55,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:24:55,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:24:55,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970732781] [2020-12-23 16:24:55,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:24:55,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:55,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:24:55,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:24:55,587 INFO L87 Difference]: Start difference. First operand 797 states and 995 transitions. Second operand 4 states. [2020-12-23 16:24:55,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:55,720 INFO L93 Difference]: Finished difference Result 1503 states and 1887 transitions. [2020-12-23 16:24:55,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:24:55,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2020-12-23 16:24:55,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:55,725 INFO L225 Difference]: With dead ends: 1503 [2020-12-23 16:24:55,725 INFO L226 Difference]: Without dead ends: 733 [2020-12-23 16:24:55,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:24:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-12-23 16:24:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2020-12-23 16:24:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-12-23 16:24:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 917 transitions. [2020-12-23 16:24:55,756 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 917 transitions. Word has length 157 [2020-12-23 16:24:55,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:55,757 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 917 transitions. [2020-12-23 16:24:55,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:24:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 917 transitions. [2020-12-23 16:24:55,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-23 16:24:55,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:55,759 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:55,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 16:24:55,975 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:55,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:55,976 INFO L82 PathProgramCache]: Analyzing trace with hash 639166515, now seen corresponding path program 1 times [2020-12-23 16:24:55,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:55,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318505098] [2020-12-23 16:24:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:55,996 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:55,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923722718] [2020-12-23 16:24:55,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:24:56,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 16:24:56,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:24:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 16:24:56,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318505098] [2020-12-23 16:24:56,636 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:24:56,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923722718] [2020-12-23 16:24:56,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:24:56,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-12-23 16:24:56,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784984254] [2020-12-23 16:24:56,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 16:24:56,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:24:56,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 16:24:56,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 16:24:56,638 INFO L87 Difference]: Start difference. First operand 733 states and 917 transitions. Second operand 6 states. [2020-12-23 16:24:56,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:24:56,755 INFO L93 Difference]: Finished difference Result 1424 states and 1796 transitions. [2020-12-23 16:24:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 16:24:56,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-12-23 16:24:56,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:24:56,760 INFO L225 Difference]: With dead ends: 1424 [2020-12-23 16:24:56,760 INFO L226 Difference]: Without dead ends: 739 [2020-12-23 16:24:56,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 16:24:56,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-12-23 16:24:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2020-12-23 16:24:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-12-23 16:24:56,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 923 transitions. [2020-12-23 16:24:56,790 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 923 transitions. Word has length 157 [2020-12-23 16:24:56,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:24:56,790 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 923 transitions. [2020-12-23 16:24:56,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 16:24:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 923 transitions. [2020-12-23 16:24:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-23 16:24:56,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:24:56,793 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:24:57,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:24:57,007 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:24:57,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:24:57,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1050888114, now seen corresponding path program 2 times [2020-12-23 16:24:57,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:24:57,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144313495] [2020-12-23 16:24:57,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:24:57,047 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:24:57,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221232573] [2020-12-23 16:24:57,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:06,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:25:06,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:25:06,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 16:25:06,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:25:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 16:25:06,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144313495] [2020-12-23 16:25:06,325 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:25:06,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221232573] [2020-12-23 16:25:06,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:25:06,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 16:25:06,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87748332] [2020-12-23 16:25:06,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 16:25:06,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:25:06,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 16:25:06,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 16:25:06,327 INFO L87 Difference]: Start difference. First operand 739 states and 923 transitions. Second operand 7 states. [2020-12-23 16:25:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:25:06,459 INFO L93 Difference]: Finished difference Result 1435 states and 1807 transitions. [2020-12-23 16:25:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 16:25:06,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 159 [2020-12-23 16:25:06,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:25:06,464 INFO L225 Difference]: With dead ends: 1435 [2020-12-23 16:25:06,465 INFO L226 Difference]: Without dead ends: 745 [2020-12-23 16:25:06,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 16:25:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-12-23 16:25:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2020-12-23 16:25:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-12-23 16:25:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 929 transitions. [2020-12-23 16:25:06,497 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 929 transitions. Word has length 159 [2020-12-23 16:25:06,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:25:06,498 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 929 transitions. [2020-12-23 16:25:06,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 16:25:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 929 transitions. [2020-12-23 16:25:06,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-23 16:25:06,500 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:25:06,500 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:25:06,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 16:25:06,710 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:25:06,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:25:06,710 INFO L82 PathProgramCache]: Analyzing trace with hash 770488787, now seen corresponding path program 3 times [2020-12-23 16:25:06,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:25:06,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078235556] [2020-12-23 16:25:06,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:25:06,742 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:25:06,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [116342357] [2020-12-23 16:25:06,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:07,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 16:25:07,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:25:07,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 16:25:07,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:25:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-23 16:25:07,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078235556] [2020-12-23 16:25:07,465 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:25:07,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116342357] [2020-12-23 16:25:07,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:25:07,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:25:07,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272924442] [2020-12-23 16:25:07,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:25:07,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:25:07,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:25:07,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:25:07,468 INFO L87 Difference]: Start difference. First operand 745 states and 929 transitions. Second operand 3 states. [2020-12-23 16:25:07,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:25:07,579 INFO L93 Difference]: Finished difference Result 1749 states and 2217 transitions. [2020-12-23 16:25:07,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:25:07,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-12-23 16:25:07,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:25:07,586 INFO L225 Difference]: With dead ends: 1749 [2020-12-23 16:25:07,587 INFO L226 Difference]: Without dead ends: 1063 [2020-12-23 16:25:07,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:25:07,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2020-12-23 16:25:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 906. [2020-12-23 16:25:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2020-12-23 16:25:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1156 transitions. [2020-12-23 16:25:07,627 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1156 transitions. Word has length 161 [2020-12-23 16:25:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:25:07,628 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1156 transitions. [2020-12-23 16:25:07,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:25:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1156 transitions. [2020-12-23 16:25:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-23 16:25:07,631 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:25:07,632 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:25:07,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 16:25:07,847 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:25:07,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:25:07,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1484056676, now seen corresponding path program 1 times [2020-12-23 16:25:07,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:25:07,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588117154] [2020-12-23 16:25:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:25:07,877 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:25:07,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471320105] [2020-12-23 16:25:07,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:25:08,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 16:25:08,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:25:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-23 16:25:08,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588117154] [2020-12-23 16:25:08,645 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:25:08,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471320105] [2020-12-23 16:25:08,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:25:08,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-12-23 16:25:08,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21122018] [2020-12-23 16:25:08,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 16:25:08,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:25:08,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 16:25:08,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 16:25:08,648 INFO L87 Difference]: Start difference. First operand 906 states and 1156 transitions. Second operand 8 states. [2020-12-23 16:25:08,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:25:08,816 INFO L93 Difference]: Finished difference Result 1770 states and 2275 transitions. [2020-12-23 16:25:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 16:25:08,817 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-12-23 16:25:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:25:08,823 INFO L225 Difference]: With dead ends: 1770 [2020-12-23 16:25:08,823 INFO L226 Difference]: Without dead ends: 912 [2020-12-23 16:25:08,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 16:25:08,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-12-23 16:25:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 912. [2020-12-23 16:25:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-12-23 16:25:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1162 transitions. [2020-12-23 16:25:08,867 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1162 transitions. Word has length 178 [2020-12-23 16:25:08,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:25:08,868 INFO L481 AbstractCegarLoop]: Abstraction has 912 states and 1162 transitions. [2020-12-23 16:25:08,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 16:25:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1162 transitions. [2020-12-23 16:25:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-23 16:25:08,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:25:08,871 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:25:09,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:09,087 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:25:09,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:25:09,087 INFO L82 PathProgramCache]: Analyzing trace with hash -453644734, now seen corresponding path program 2 times [2020-12-23 16:25:09,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:25:09,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617224597] [2020-12-23 16:25:09,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:25:09,116 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:25:09,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [488423654] [2020-12-23 16:25:09,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:09,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:25:09,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:25:09,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-23 16:25:09,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:25:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-23 16:25:09,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617224597] [2020-12-23 16:25:09,897 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:25:09,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488423654] [2020-12-23 16:25:09,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:25:09,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 16:25:09,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001973224] [2020-12-23 16:25:09,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 16:25:09,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:25:09,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 16:25:09,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-23 16:25:09,900 INFO L87 Difference]: Start difference. First operand 912 states and 1162 transitions. Second operand 9 states. [2020-12-23 16:25:10,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:25:10,054 INFO L93 Difference]: Finished difference Result 1781 states and 2286 transitions. [2020-12-23 16:25:10,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 16:25:10,055 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 182 [2020-12-23 16:25:10,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:25:10,060 INFO L225 Difference]: With dead ends: 1781 [2020-12-23 16:25:10,061 INFO L226 Difference]: Without dead ends: 918 [2020-12-23 16:25:10,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-23 16:25:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-12-23 16:25:10,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2020-12-23 16:25:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-12-23 16:25:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1168 transitions. [2020-12-23 16:25:10,098 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1168 transitions. Word has length 182 [2020-12-23 16:25:10,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:25:10,099 INFO L481 AbstractCegarLoop]: Abstraction has 918 states and 1168 transitions. [2020-12-23 16:25:10,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 16:25:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1168 transitions. [2020-12-23 16:25:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-23 16:25:10,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:25:10,102 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:25:10,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:10,317 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:25:10,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:25:10,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1986963428, now seen corresponding path program 3 times [2020-12-23 16:25:10,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:25:10,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977136841] [2020-12-23 16:25:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:25:10,340 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:25:10,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663646499] [2020-12-23 16:25:10,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:10,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 16:25:10,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:25:10,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-23 16:25:10,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:25:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-23 16:25:11,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977136841] [2020-12-23 16:25:11,213 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:25:11,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663646499] [2020-12-23 16:25:11,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:25:11,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 16:25:11,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576332759] [2020-12-23 16:25:11,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 16:25:11,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:25:11,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 16:25:11,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 16:25:11,215 INFO L87 Difference]: Start difference. First operand 918 states and 1168 transitions. Second operand 4 states. [2020-12-23 16:25:11,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:25:11,725 INFO L93 Difference]: Finished difference Result 1509 states and 1921 transitions. [2020-12-23 16:25:11,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 16:25:11,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2020-12-23 16:25:11,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:25:11,730 INFO L225 Difference]: With dead ends: 1509 [2020-12-23 16:25:11,730 INFO L226 Difference]: Without dead ends: 732 [2020-12-23 16:25:11,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 16:25:11,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-12-23 16:25:11,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2020-12-23 16:25:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-12-23 16:25:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 909 transitions. [2020-12-23 16:25:11,761 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 909 transitions. Word has length 186 [2020-12-23 16:25:11,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:25:11,761 INFO L481 AbstractCegarLoop]: Abstraction has 732 states and 909 transitions. [2020-12-23 16:25:11,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 16:25:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 909 transitions. [2020-12-23 16:25:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-23 16:25:11,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:25:11,765 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:25:11,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:11,979 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:25:11,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:25:11,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1622468887, now seen corresponding path program 1 times [2020-12-23 16:25:11,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:25:11,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277451166] [2020-12-23 16:25:11,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:25:11,999 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:25:12,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634442785] [2020-12-23 16:25:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:25:12,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 16:25:12,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:25:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-23 16:25:12,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277451166] [2020-12-23 16:25:12,845 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:25:12,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634442785] [2020-12-23 16:25:12,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:25:12,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-23 16:25:12,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350945448] [2020-12-23 16:25:12,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 16:25:12,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:25:12,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 16:25:12,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-12-23 16:25:12,847 INFO L87 Difference]: Start difference. First operand 732 states and 909 transitions. Second operand 10 states. [2020-12-23 16:25:12,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:25:12,997 INFO L93 Difference]: Finished difference Result 1418 states and 1775 transitions. [2020-12-23 16:25:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 16:25:12,999 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-12-23 16:25:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:25:13,002 INFO L225 Difference]: With dead ends: 1418 [2020-12-23 16:25:13,002 INFO L226 Difference]: Without dead ends: 736 [2020-12-23 16:25:13,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-12-23 16:25:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-12-23 16:25:13,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2020-12-23 16:25:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-12-23 16:25:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 913 transitions. [2020-12-23 16:25:13,033 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 913 transitions. Word has length 193 [2020-12-23 16:25:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:25:13,033 INFO L481 AbstractCegarLoop]: Abstraction has 736 states and 913 transitions. [2020-12-23 16:25:13,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 16:25:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 913 transitions. [2020-12-23 16:25:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-23 16:25:13,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:25:13,035 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:25:13,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-12-23 16:25:13,249 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:25:13,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:25:13,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1336921525, now seen corresponding path program 2 times [2020-12-23 16:25:13,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:25:13,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126086590] [2020-12-23 16:25:13,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:25:13,273 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:25:13,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [150239203] [2020-12-23 16:25:13,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 16:25:13,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 16:25:13,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 16:25:13,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-23 16:25:13,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 16:25:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-23 16:25:14,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126086590] [2020-12-23 16:25:14,135 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 16:25:14,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150239203] [2020-12-23 16:25:14,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 16:25:14,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-23 16:25:14,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115258920] [2020-12-23 16:25:14,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 16:25:14,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:25:14,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 16:25:14,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-12-23 16:25:14,136 INFO L87 Difference]: Start difference. First operand 736 states and 913 transitions. Second operand 11 states. [2020-12-23 16:25:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:25:14,328 INFO L93 Difference]: Finished difference Result 1425 states and 1782 transitions. [2020-12-23 16:25:14,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 16:25:14,329 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 197 [2020-12-23 16:25:14,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:25:14,333 INFO L225 Difference]: With dead ends: 1425 [2020-12-23 16:25:14,334 INFO L226 Difference]: Without dead ends: 740 [2020-12-23 16:25:14,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-12-23 16:25:14,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-12-23 16:25:14,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2020-12-23 16:25:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-12-23 16:25:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 917 transitions. [2020-12-23 16:25:14,365 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 917 transitions. Word has length 197 [2020-12-23 16:25:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:25:14,365 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 917 transitions. [2020-12-23 16:25:14,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 16:25:14,365 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 917 transitions. [2020-12-23 16:25:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-23 16:25:14,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:25:14,367 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:25:14,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-23 16:25:14,580 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 16:25:14,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:25:14,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1628837737, now seen corresponding path program 3 times [2020-12-23 16:25:14,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:25:14,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710035904] [2020-12-23 16:25:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:25:14,603 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 16:25:14,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283854848] [2020-12-23 16:25:14,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true