./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ --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 aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:28:47,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:28:47,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:28:47,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:28:47,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:28:47,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:28:47,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:28:47,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:28:47,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:28:47,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:28:47,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:28:47,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:28:47,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:28:47,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:28:47,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:28:47,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:28:47,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:28:47,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:28:47,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:28:47,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:28:47,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:28:47,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:28:47,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:28:47,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:28:47,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:28:47,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:28:47,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:28:47,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:28:47,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:28:47,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:28:47,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:28:47,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:28:47,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:28:47,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:28:47,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:28:47,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:28:47,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:28:47,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:28:47,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:28:47,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:28:47,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:28:47,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:28:47,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:28:47,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:28:47,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:28:47,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:28:47,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:28:47,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:28:47,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:28:47,222 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:28:47,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:28:47,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:28:47,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:28:47,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:28:47,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:28:47,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:28:47,223 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:28:47,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:28:47,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:28:47,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:28:47,224 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:28:47,224 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:28:47,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:28:47,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:47,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:28:47,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:28:47,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:28:47,226 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:28:47,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:28:47,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:28:47,226 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_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a [2021-11-23 01:28:47,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:28:47,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:28:47,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:28:47,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:28:47,477 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:28:47,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c [2021-11-23 01:28:47,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/data/c430269d3/3c85c1148d8a4a7d969d002578d80d6d/FLAG03bcf7290 [2021-11-23 01:28:48,001 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:28:48,001 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c [2021-11-23 01:28:48,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/data/c430269d3/3c85c1148d8a4a7d969d002578d80d6d/FLAG03bcf7290 [2021-11-23 01:28:48,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/data/c430269d3/3c85c1148d8a4a7d969d002578d80d6d [2021-11-23 01:28:48,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:28:48,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:28:48,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:48,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:28:48,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:28:48,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f23935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48, skipping insertion in model container [2021-11-23 01:28:48,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:28:48,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:28:48,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2021-11-23 01:28:48,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:48,637 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:28:48,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2021-11-23 01:28:48,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:48,671 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:28:48,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48 WrapperNode [2021-11-23 01:28:48,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:48,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:48,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:28:48,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:28:48,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,711 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-23 01:28:48,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:48,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:28:48,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:28:48,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:28:48,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:28:48,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:28:48,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:28:48,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:28:48,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:48" (1/1) ... [2021-11-23 01:28:48,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:48,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:28:48,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:28:48,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:28:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:28:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:28:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:28:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:28:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:28:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:28:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:28:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:28:48,906 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:28:48,908 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:28:49,023 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:28:49,041 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:28:49,042 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:28:49,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:49 BoogieIcfgContainer [2021-11-23 01:28:49,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:28:49,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:28:49,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:28:49,055 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:28:49,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:49,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:28:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-23 01:28:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-23 01:28:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:28:49,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:49,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:49,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:28:49,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-23 01:28:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-23 01:28:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:28:49,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:49,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:49,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:49,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-23 01:28:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-23 01:28:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:50,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:50,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:50,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:28:50,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:29:14,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:29:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 46 transitions. [2021-11-23 01:29:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-11-23 01:29:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:29:14,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:14,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:14,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:29:14,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:14,867 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:29:14,876 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:29:14,890 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:29:16,331 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:19,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:30:25,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.95s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:30:30,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:30:34,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:30:34,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 22 states and 29 transitions. [2021-11-23 01:30:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2021-11-23 01:30:34,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:30:34,087 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-11-23 01:30:34,095 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:30:34,276 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:30:34,279 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:30:34,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:30:34 ImpRootNode [2021-11-23 01:30:34,279 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:30:34,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:30:34,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:30:34,280 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:30:34,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:49" (3/4) ... [2021-11-23 01:30:34,283 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:30:34,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 01:30:34,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 01:30:34,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-23 01:30:34,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 01:30:34,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:30:34,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:30:34,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:30:34,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:30:34,336 INFO L158 Benchmark]: Toolchain (without parser) took 105949.94ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 92.7MB in the beginning and 57.6MB in the end (delta: 35.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2021-11-23 01:30:34,336 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:34,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.50ms. Allocated memory is still 121.6MB. Free memory was 92.5MB in the beginning and 95.9MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:30:34,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.30ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:34,338 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 121.6MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 979.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:34,339 INFO L158 Benchmark]: RCFGBuilder took 295.02ms. Allocated memory is still 121.6MB. Free memory was 93.3MB in the beginning and 83.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:30:34,340 INFO L158 Benchmark]: CodeCheck took 105234.38ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 83.4MB in the beginning and 60.7MB in the end (delta: 22.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-11-23 01:30:34,341 INFO L158 Benchmark]: Witness Printer took 55.30ms. Allocated memory is still 153.1MB. Free memory was 60.7MB in the beginning and 57.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:30:34,344 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 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 105.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 39.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 39.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 238 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 72 mSDtfsCounter, 238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 688 GetRequests, 628 SyntacticMatches, 14 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 74.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 414 SizeOfPredicates, 9 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 22/29 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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.50ms. Allocated memory is still 121.6MB. Free memory was 92.5MB in the beginning and 95.9MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.30ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 121.6MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 979.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.02ms. Allocated memory is still 121.6MB. Free memory was 93.3MB in the beginning and 83.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 105234.38ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 83.4MB in the beginning and 60.7MB in the end (delta: 22.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Witness Printer took 55.30ms. Allocated memory is still 153.1MB. Free memory was 60.7MB in the beginning and 57.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:30:34,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2582e404-1a30-4a81-8d6a-367da676ea4c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE