/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 19:46:33,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 19:46:33,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 19:46:33,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 19:46:33,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 19:46:33,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 19:46:33,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 19:46:33,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 19:46:33,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 19:46:33,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 19:46:33,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 19:46:33,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 19:46:33,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 19:46:33,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 19:46:33,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 19:46:33,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 19:46:33,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 19:46:33,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 19:46:33,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 19:46:33,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 19:46:33,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 19:46:33,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 19:46:33,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 19:46:33,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 19:46:33,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 19:46:33,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 19:46:33,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 19:46:33,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 19:46:33,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 19:46:33,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 19:46:33,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 19:46:33,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 19:46:33,668 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 19:46:33,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 19:46:33,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 19:46:33,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 19:46:33,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 19:46:33,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 19:46:33,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 19:46:33,670 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 19:46:33,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 19:46:33,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 19:46:33,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 19:46:33,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 19:46:33,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 19:46:33,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 19:46:33,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 19:46:33,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 19:46:33,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 19:46:33,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 19:46:33,672 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 19:46:33,672 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 19:46:33,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 19:46:34,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 19:46:34,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 19:46:34,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 19:46:34,023 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 19:46:34,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2021-05-02 19:46:34,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d20ad6eae/1cae542e587c471293d2357f89a1ec18/FLAGb5a4f3cf2 [2021-05-02 19:46:34,455 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 19:46:34,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2021-05-02 19:46:34,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d20ad6eae/1cae542e587c471293d2357f89a1ec18/FLAGb5a4f3cf2 [2021-05-02 19:46:34,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d20ad6eae/1cae542e587c471293d2357f89a1ec18 [2021-05-02 19:46:34,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 19:46:34,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 19:46:34,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 19:46:34,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 19:46:34,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 19:46:34,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370c1dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34, skipping insertion in model container [2021-05-02 19:46:34,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 19:46:34,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 19:46:34,591 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound2.c[576,589] [2021-05-02 19:46:34,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:46:34,629 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 19:46:34,641 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound2.c[576,589] [2021-05-02 19:46:34,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:46:34,654 INFO L208 MainTranslator]: Completed translation [2021-05-02 19:46:34,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34 WrapperNode [2021-05-02 19:46:34,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 19:46:34,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 19:46:34,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 19:46:34,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 19:46:34,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... [2021-05-02 19:46:34,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 19:46:34,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 19:46:34,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 19:46:34,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 19:46:34,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-05-02 19:46:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 19:46:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 19:46:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 19:46:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 19:46:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 19:46:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 19:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 19:46:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 19:46:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 19:46:35,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 19:46:35,023 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-02 19:46:35,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:46:35 BoogieIcfgContainer [2021-05-02 19:46:35,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 19:46:35,025 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 19:46:35,025 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 19:46:35,025 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 19:46:35,027 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:46:35" (1/1) ... [2021-05-02 19:46:35,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:46:35 BasicIcfg [2021-05-02 19:46:35,049 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 19:46:35,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 19:46:35,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 19:46:35,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 19:46:35,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 07:46:34" (1/4) ... [2021-05-02 19:46:35,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c5b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:46:35, skipping insertion in model container [2021-05-02 19:46:35,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:46:34" (2/4) ... [2021-05-02 19:46:35,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c5b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:46:35, skipping insertion in model container [2021-05-02 19:46:35,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:46:35" (3/4) ... [2021-05-02 19:46:35,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c5b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 07:46:35, skipping insertion in model container [2021-05-02 19:46:35,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:46:35" (4/4) ... [2021-05-02 19:46:35,057 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound2.cJordan [2021-05-02 19:46:35,061 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 19:46:35,064 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 19:46:35,076 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 19:46:35,099 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 19:46:35,099 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 19:46:35,099 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 19:46:35,099 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 19:46:35,099 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 19:46:35,099 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 19:46:35,100 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 19:46:35,100 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 19:46:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-02 19:46:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-02 19:46:35,117 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:35,118 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:46:35,118 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:35,129 INFO L82 PathProgramCache]: Analyzing trace with hash 795680375, now seen corresponding path program 1 times [2021-05-02 19:46:35,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:35,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831802663] [2021-05-02 19:46:35,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 19:46:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:35,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 19:46:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:35,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-05-02 19:46:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:35,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-05-02 19:46:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:35,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 19:46:35,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:35,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831802663] [2021-05-02 19:46:35,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831802663] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:46:35,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:46:35,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 19:46:35,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267386988] [2021-05-02 19:46:35,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 19:46:35,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:35,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 19:46:35,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:46:35,393 INFO L87 Difference]: Start difference. First operand has 39 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-02 19:46:35,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:35,540 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-05-02 19:46:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 19:46:35,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2021-05-02 19:46:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:35,546 INFO L225 Difference]: With dead ends: 39 [2021-05-02 19:46:35,547 INFO L226 Difference]: Without dead ends: 34 [2021-05-02 19:46:35,548 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:46:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-02 19:46:35,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-05-02 19:46:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-05-02 19:46:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-05-02 19:46:35,573 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 28 [2021-05-02 19:46:35,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:35,574 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-05-02 19:46:35,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-02 19:46:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-05-02 19:46:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-02 19:46:35,576 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:35,576 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:46:35,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 19:46:35,576 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:35,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:35,599 INFO L82 PathProgramCache]: Analyzing trace with hash 797557208, now seen corresponding path program 1 times [2021-05-02 19:46:35,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:35,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647025293] [2021-05-02 19:46:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:35,610 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:35,611 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124566806] [2021-05-02 19:46:35,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2021-05-02 19:46:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:35,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 19:46:35,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:35,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:35,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:35,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:35,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:35,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 19:46:35,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:35,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647025293] [2021-05-02 19:46:35,909 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:35,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124566806] [2021-05-02 19:46:35,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124566806] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:46:35,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:46:35,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-02 19:46:35,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312334131] [2021-05-02 19:46:35,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 19:46:35,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:35,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 19:46:35,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-05-02 19:46:35,911 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 19:46:36,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:36,014 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2021-05-02 19:46:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 19:46:36,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2021-05-02 19:46:36,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:36,018 INFO L225 Difference]: With dead ends: 43 [2021-05-02 19:46:36,018 INFO L226 Difference]: Without dead ends: 43 [2021-05-02 19:46:36,019 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 60.0ms TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-05-02 19:46:36,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-05-02 19:46:36,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-05-02 19:46:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-05-02 19:46:36,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2021-05-02 19:46:36,034 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 28 [2021-05-02 19:46:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:36,038 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-05-02 19:46:36,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 19:46:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-05-02 19:46:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-02 19:46:36,040 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:36,040 INFO L523 BasicCegarLoop]: trace histogram [3, 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] [2021-05-02 19:46:36,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 19:46:36,249 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:36,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:36,250 INFO L82 PathProgramCache]: Analyzing trace with hash 648866686, now seen corresponding path program 1 times [2021-05-02 19:46:36,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:36,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040425345] [2021-05-02 19:46:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:36,260 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:36,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208527616] [2021-05-02 19:46:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2021-05-02 19:46:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:36,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 19:46:36,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:36,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 19:46:36,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:36,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040425345] [2021-05-02 19:46:36,502 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:36,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208527616] [2021-05-02 19:46:36,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208527616] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:46:36,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:46:36,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-05-02 19:46:36,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684557698] [2021-05-02 19:46:36,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 19:46:36,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:36,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 19:46:36,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-05-02 19:46:36,504 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:46:36,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:36,608 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2021-05-02 19:46:36,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 19:46:36,608 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 33 [2021-05-02 19:46:36,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:36,611 INFO L225 Difference]: With dead ends: 55 [2021-05-02 19:46:36,611 INFO L226 Difference]: Without dead ends: 54 [2021-05-02 19:46:36,611 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 56.7ms TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-02 19:46:36,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-05-02 19:46:36,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2021-05-02 19:46:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 18 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-02 19:46:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2021-05-02 19:46:36,628 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 33 [2021-05-02 19:46:36,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:36,628 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2021-05-02 19:46:36,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 19:46:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2021-05-02 19:46:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-02 19:46:36,631 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:36,631 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-05-02 19:46:36,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:36,841 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:36,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:36,841 INFO L82 PathProgramCache]: Analyzing trace with hash 619469170, now seen corresponding path program 1 times [2021-05-02 19:46:36,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:36,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680344752] [2021-05-02 19:46:36,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:36,850 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:36,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639516921] [2021-05-02 19:46:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2021-05-02 19:46:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:36,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 19:46:36,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:36,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:36,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:37,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:37,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-05-02 19:46:37,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:37,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680344752] [2021-05-02 19:46:37,065 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:37,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639516921] [2021-05-02 19:46:37,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639516921] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:46:37,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:46:37,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-02 19:46:37,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253491293] [2021-05-02 19:46:37,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 19:46:37,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:37,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 19:46:37,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-05-02 19:46:37,066 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-05-02 19:46:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:37,152 INFO L93 Difference]: Finished difference Result 77 states and 103 transitions. [2021-05-02 19:46:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 19:46:37,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 40 [2021-05-02 19:46:37,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:37,154 INFO L225 Difference]: With dead ends: 77 [2021-05-02 19:46:37,154 INFO L226 Difference]: Without dead ends: 77 [2021-05-02 19:46:37,154 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 85.2ms TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-05-02 19:46:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-05-02 19:46:37,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 70. [2021-05-02 19:46:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 40 states have internal predecessors, (44), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 19:46:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2021-05-02 19:46:37,159 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 40 [2021-05-02 19:46:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:37,159 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2021-05-02 19:46:37,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-05-02 19:46:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2021-05-02 19:46:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-05-02 19:46:37,160 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:37,160 INFO L523 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:46:37,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:37,373 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:37,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:37,374 INFO L82 PathProgramCache]: Analyzing trace with hash -810208713, now seen corresponding path program 1 times [2021-05-02 19:46:37,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:37,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475832174] [2021-05-02 19:46:37,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:37,382 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:37,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765827747] [2021-05-02 19:46:37,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2021-05-02 19:46:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:37,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 19:46:37,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:37,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:37,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:37,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-05-02 19:46:37,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:37,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475832174] [2021-05-02 19:46:37,607 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:37,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765827747] [2021-05-02 19:46:37,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765827747] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:37,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:37,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-02 19:46:37,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204090668] [2021-05-02 19:46:37,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 19:46:37,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:37,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 19:46:37,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-05-02 19:46:37,609 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-05-02 19:46:37,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:37,752 INFO L93 Difference]: Finished difference Result 74 states and 95 transitions. [2021-05-02 19:46:37,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 19:46:37,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2021-05-02 19:46:37,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:37,756 INFO L225 Difference]: With dead ends: 74 [2021-05-02 19:46:37,757 INFO L226 Difference]: Without dead ends: 74 [2021-05-02 19:46:37,757 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 73.7ms TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-05-02 19:46:37,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-02 19:46:37,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-05-02 19:46:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 41 states have (on average 1.146341463414634) internal successors, (47), 43 states have internal predecessors, (47), 25 states have call successors, (25), 8 states have call predecessors, (25), 7 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 19:46:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2021-05-02 19:46:37,763 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 56 [2021-05-02 19:46:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:37,763 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-05-02 19:46:37,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-05-02 19:46:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2021-05-02 19:46:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-05-02 19:46:37,764 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:37,764 INFO L523 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 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] [2021-05-02 19:46:37,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:37,973 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:37,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:37,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1603019557, now seen corresponding path program 1 times [2021-05-02 19:46:37,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:37,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782577105] [2021-05-02 19:46:37,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:37,982 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:37,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662531674] [2021-05-02 19:46:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2021-05-02 19:46:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:38,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 30 conjunts are in the unsatisfiable core [2021-05-02 19:46:38,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:38,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-05-02 19:46:38,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:38,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782577105] [2021-05-02 19:46:38,330 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:38,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662531674] [2021-05-02 19:46:38,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662531674] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:38,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:38,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-02 19:46:38,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391612918] [2021-05-02 19:46:38,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-02 19:46:38,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:38,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-02 19:46:38,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-05-02 19:46:38,331 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2021-05-02 19:46:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:38,516 INFO L93 Difference]: Finished difference Result 95 states and 116 transitions. [2021-05-02 19:46:38,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-02 19:46:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) Word has length 63 [2021-05-02 19:46:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:38,517 INFO L225 Difference]: With dead ends: 95 [2021-05-02 19:46:38,518 INFO L226 Difference]: Without dead ends: 85 [2021-05-02 19:46:38,518 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 117.3ms TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-05-02 19:46:38,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-05-02 19:46:38,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2021-05-02 19:46:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 49 states have internal predecessors, (52), 25 states have call successors, (25), 10 states have call predecessors, (25), 9 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 19:46:38,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 100 transitions. [2021-05-02 19:46:38,523 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 100 transitions. Word has length 63 [2021-05-02 19:46:38,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:38,523 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 100 transitions. [2021-05-02 19:46:38,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2021-05-02 19:46:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2021-05-02 19:46:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-02 19:46:38,524 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:46:38,524 INFO L523 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-05-02 19:46:38,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-02 19:46:38,733 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:46:38,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:46:38,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1439194403, now seen corresponding path program 1 times [2021-05-02 19:46:38,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:46:38,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622629185] [2021-05-02 19:46:38,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:46:38,745 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:46:38,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185410102] [2021-05-02 19:46:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2021-05-02 19:46:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:46:38,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 39 conjunts are in the unsatisfiable core [2021-05-02 19:46:38,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:46:38,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:38,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:46:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 46 proven. 15 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-05-02 19:46:39,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:46:39,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622629185] [2021-05-02 19:46:39,359 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:46:39,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185410102] [2021-05-02 19:46:39,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185410102] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:46:39,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:46:39,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-05-02 19:46:39,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688977901] [2021-05-02 19:46:39,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-02 19:46:39,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:46:39,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-02 19:46:39,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-05-02 19:46:39,360 INFO L87 Difference]: Start difference. First operand 82 states and 100 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2021-05-02 19:46:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:46:39,541 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2021-05-02 19:46:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-02 19:46:39,542 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) Word has length 86 [2021-05-02 19:46:39,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:46:39,542 INFO L225 Difference]: With dead ends: 69 [2021-05-02 19:46:39,542 INFO L226 Difference]: Without dead ends: 0 [2021-05-02 19:46:39,542 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 203.4ms TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-05-02 19:46:39,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-02 19:46:39,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-02 19:46:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-02 19:46:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-02 19:46:39,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2021-05-02 19:46:39,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:46:39,543 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-02 19:46:39,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2021-05-02 19:46:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-02 19:46:39,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 19:46:39,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:46:39,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 07:46:39 BasicIcfg [2021-05-02 19:46:39,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 19:46:39,761 INFO L168 Benchmark]: Toolchain (without parser) took 5281.07 ms. Allocated memory was 187.7 MB in the beginning and 248.5 MB in the end (delta: 60.8 MB). Free memory was 153.2 MB in the beginning and 156.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 57.9 MB. Max. memory is 8.0 GB. [2021-05-02 19:46:39,761 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 187.7 MB. Free memory was 170.3 MB in the beginning and 170.2 MB in the end (delta: 104.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 19:46:39,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.98 ms. Allocated memory is still 187.7 MB. Free memory was 153.0 MB in the beginning and 143.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-02 19:46:39,761 INFO L168 Benchmark]: Boogie Preprocessor took 53.52 ms. Allocated memory is still 187.7 MB. Free memory was 143.1 MB in the beginning and 172.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. [2021-05-02 19:46:39,761 INFO L168 Benchmark]: RCFGBuilder took 314.64 ms. Allocated memory is still 187.7 MB. Free memory was 172.1 MB in the beginning and 156.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-05-02 19:46:39,761 INFO L168 Benchmark]: IcfgTransformer took 24.55 ms. Allocated memory is still 187.7 MB. Free memory was 156.4 MB in the beginning and 154.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-02 19:46:39,761 INFO L168 Benchmark]: TraceAbstraction took 4709.29 ms. Allocated memory was 187.7 MB in the beginning and 248.5 MB in the end (delta: 60.8 MB). Free memory was 154.5 MB in the beginning and 156.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2021-05-02 19:46:39,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 187.7 MB. Free memory was 170.3 MB in the beginning and 170.2 MB in the end (delta: 104.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 173.98 ms. Allocated memory is still 187.7 MB. Free memory was 153.0 MB in the beginning and 143.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.52 ms. Allocated memory is still 187.7 MB. Free memory was 143.1 MB in the beginning and 172.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 314.64 ms. Allocated memory is still 187.7 MB. Free memory was 172.1 MB in the beginning and 156.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * IcfgTransformer took 24.55 ms. Allocated memory is still 187.7 MB. Free memory was 156.4 MB in the beginning and 154.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4709.29 ms. Allocated memory was 187.7 MB in the beginning and 248.5 MB in the end (delta: 60.8 MB). Free memory was 154.5 MB in the beginning and 156.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4660.0ms, OverallIterations: 7, TraceHistogramMax: 11, EmptinessCheckTime: 15.4ms, AutomataDifference: 987.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 249 SDtfs, 229 SDslu, 1079 SDs, 0 SdLazy, 915 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 596.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 254 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 649.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=6, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 62.5ms AutomataMinimizationTime, 7 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 72.3ms SsaConstructionTime, 218.3ms SatisfiabilityAnalysisTime, 1705.0ms InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 1457 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1015 ConjunctsInSsa, 161 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 396/427 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...