./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:20,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:20,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:20,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:20,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:20,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:20,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:20,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:20,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:20,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:20,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:20,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:20,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:20,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:20,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:20,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:20,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:20,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:20,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:20,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:20,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:20,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:20,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:20,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:20,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:20,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:20,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:20,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:20,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:20,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:20,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:20,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:20,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:20,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:20,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:20,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:20,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:20,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:20,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:20,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:20,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:20,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:20,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:20,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:20,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:20,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:20,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:20,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:20,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:20,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:20,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:20,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:20,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:20,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:20,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:20,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:20,680 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:20,680 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:20,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:20,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:20,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:20,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:20,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:20,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:20,682 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:20,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:20,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:20,684 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:/tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2020-11-28 04:44:21,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:21,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:21,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:21,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:21,050 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:21,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2020-11-28 04:44:21,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/data/3931ed118/0406fa286ca04daaa9971ce11efdd0b0/FLAG5a70271a4 [2020-11-28 04:44:21,729 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:21,733 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2020-11-28 04:44:21,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/data/3931ed118/0406fa286ca04daaa9971ce11efdd0b0/FLAG5a70271a4 [2020-11-28 04:44:22,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/data/3931ed118/0406fa286ca04daaa9971ce11efdd0b0 [2020-11-28 04:44:22,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:22,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:22,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:22,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:22,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29206d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22, skipping insertion in model container [2020-11-28 04:44:22,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:22,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:22,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,374 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:22,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,435 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:22,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22 WrapperNode [2020-11-28 04:44:22,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:22,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:22,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:22,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:22,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:22,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:22,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:22,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-11-28 04:44:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:44:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:44:23,210 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:23,211 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 04:44:23,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23 BoogieIcfgContainer [2020-11-28 04:44:23,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:23,214 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:23,214 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:23,229 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:23,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2020-11-28 04:44:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2020-11-28 04:44:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:44:23,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:23,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 97 transitions. [2020-11-28 04:44:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2020-11-28 04:44:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:23,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 96 transitions. [2020-11-28 04:44:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2020-11-28 04:44:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:24,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 50 states and 95 transitions. [2020-11-28 04:44:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2020-11-28 04:44:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:24,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 04:44:24,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 50 states and 94 transitions. [2020-11-28 04:44:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2020-11-28 04:44:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:44:24,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,818 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 52 states and 97 transitions. [2020-11-28 04:44:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2020-11-28 04:44:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:44:25,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,081 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 98 transitions. [2020-11-28 04:44:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2020-11-28 04:44:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:44:25,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 98 transitions. [2020-11-28 04:44:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2020-11-28 04:44:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:44:25,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:25,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 104 transitions. [2020-11-28 04:44:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2020-11-28 04:44:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:25,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 105 transitions. [2020-11-28 04:44:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2020-11-28 04:44:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:25,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 60 states and 107 transitions. [2020-11-28 04:44:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 107 transitions. [2020-11-28 04:44:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:25,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 04:44:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 63 states and 112 transitions. [2020-11-28 04:44:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2020-11-28 04:44:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:25,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 04:44:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 110 transitions. [2020-11-28 04:44:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2020-11-28 04:44:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:26,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-28 04:44:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 59 states and 104 transitions. [2020-11-28 04:44:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 104 transitions. [2020-11-28 04:44:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:44:26,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-11-28 04:44:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 59 states and 103 transitions. [2020-11-28 04:44:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2020-11-28 04:44:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:44:26,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-11-28 04:44:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 59 states and 102 transitions. [2020-11-28 04:44:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2020-11-28 04:44:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:44:27,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-11-28 04:44:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 53 states and 92 transitions. [2020-11-28 04:44:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2020-11-28 04:44:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:27,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-28 04:44:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 53 states and 91 transitions. [2020-11-28 04:44:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2020-11-28 04:44:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:44:27,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-11-28 04:44:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 53 states and 90 transitions. [2020-11-28 04:44:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2020-11-28 04:44:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:44:27,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-11-28 04:44:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 55 states and 93 transitions. [2020-11-28 04:44:28,067 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2020-11-28 04:44:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:44:28,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-11-28 04:44:28,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 58 states and 98 transitions. [2020-11-28 04:44:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2020-11-28 04:44:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 04:44:28,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-11-28 04:44:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 58 states and 97 transitions. [2020-11-28 04:44:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2020-11-28 04:44:28,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-28 04:44:28,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-11-28 04:44:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 60 states and 100 transitions. [2020-11-28 04:44:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2020-11-28 04:44:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-28 04:44:29,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-28 04:44:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 67 states and 115 transitions. [2020-11-28 04:44:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2020-11-28 04:44:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-28 04:44:31,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-28 04:44:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 73 states and 130 transitions. [2020-11-28 04:44:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2020-11-28 04:44:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-28 04:44:32,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-11-28 04:44:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 74 states and 131 transitions. [2020-11-28 04:44:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2020-11-28 04:44:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-28 04:44:32,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2020-11-28 04:44:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 78 states and 140 transitions. [2020-11-28 04:44:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2020-11-28 04:44:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-28 04:44:33,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2020-11-28 04:44:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:33,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 79 states and 142 transitions. [2020-11-28 04:44:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 142 transitions. [2020-11-28 04:44:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-28 04:44:33,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-11-28 04:44:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 81 states and 146 transitions. [2020-11-28 04:44:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 146 transitions. [2020-11-28 04:44:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-28 04:44:34,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-11-28 04:44:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 85 states and 155 transitions. [2020-11-28 04:44:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 155 transitions. [2020-11-28 04:44:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-28 04:44:35,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-11-28 04:44:36,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 171 transitions. [2020-11-28 04:44:36,652 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2020-11-28 04:44:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-28 04:44:36,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-11-28 04:44:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 55 states and 93 transitions. [2020-11-28 04:44:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2020-11-28 04:44:37,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:37,680 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2020-11-28 04:44:37,687 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:38,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:38,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:38,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:38,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:38,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:38 ImpRootNode [2020-11-28 04:44:38,033 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:38,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:38,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:38,034 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:38,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23" (3/4) ... [2020-11-28 04:44:38,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:38,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-11-28 04:44:38,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-28 04:44:38,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:44:38,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:38,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:38,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_406ba499-feee-42cc-b7a6-f8164ca929a8/bin/ukojak/witness.graphml [2020-11-28 04:44:38,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:38,133 INFO L168 Benchmark]: Toolchain (without parser) took 16052.89 ms. Allocated memory was 92.3 MB in the beginning and 270.5 MB in the end (delta: 178.3 MB). Free memory was 64.8 MB in the beginning and 111.3 MB in the end (delta: -46.5 MB). Peak memory consumption was 131.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:38,133 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:38,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.85 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 69.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:38,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.05 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 67.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:38,135 INFO L168 Benchmark]: Boogie Preprocessor took 25.04 ms. Allocated memory is still 92.3 MB. Free memory was 67.9 MB in the beginning and 66.9 MB in the end (delta: 997.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:38,135 INFO L168 Benchmark]: RCFGBuilder took 705.48 ms. Allocated memory is still 92.3 MB. Free memory was 66.6 MB in the beginning and 46.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:38,136 INFO L168 Benchmark]: CodeCheck took 14818.81 ms. Allocated memory was 92.3 MB in the beginning and 270.5 MB in the end (delta: 178.3 MB). Free memory was 46.6 MB in the beginning and 114.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:38,136 INFO L168 Benchmark]: Witness Printer took 97.47 ms. Allocated memory is still 270.5 MB. Free memory was 114.5 MB in the beginning and 111.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:38,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1852663168 SDtfs, -521921950 SDslu, 555119726 SDs, 0 SdLazy, 1426854300 SolverSat, -1797586976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15502 GetRequests, 15038 SyntacticMatches, 284 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15828 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2000 NumberOfCodeBlocks, 2000 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1969 ConstructedInterpolants, 0 QuantifiedInterpolants, 270587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 17 PerfectInterpolantSequences, 6559/6633 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.85 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 69.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.05 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 67.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.04 ms. Allocated memory is still 92.3 MB. Free memory was 67.9 MB in the beginning and 66.9 MB in the end (delta: 997.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 705.48 ms. Allocated memory is still 92.3 MB. Free memory was 66.6 MB in the beginning and 46.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 14818.81 ms. Allocated memory was 92.3 MB in the beginning and 270.5 MB in the end (delta: 178.3 MB). Free memory was 46.6 MB in the beginning and 114.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 16.1 GB. * Witness Printer took 97.47 ms. Allocated memory is still 270.5 MB. Free memory was 114.5 MB in the beginning and 111.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...