./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4 --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 6568b5930df9b96ff5e807ba48758caa6128d98ba24e8c1d6b9a86c6290462f1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:32:08,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:32:08,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:32:08,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:32:08,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:32:08,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:32:08,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:32:08,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:32:08,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:32:08,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:32:08,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:32:08,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:32:08,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:32:08,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:32:08,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:32:08,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:32:08,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:32:08,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:32:08,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:32:08,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:32:08,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:32:08,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:32:08,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:32:08,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:32:08,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:32:08,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:32:08,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:32:08,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:32:08,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:32:08,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:32:08,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:32:08,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:32:08,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:32:08,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:32:08,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:32:08,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:32:08,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:32:08,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:32:08,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:32:08,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:32:08,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:32:08,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:32:08,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:32:08,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:32:08,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:32:08,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:32:08,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:32:08,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:32:08,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:32:08,770 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:32:08,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:32:08,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:32:08,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:32:08,771 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:32:08,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:32:08,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:32:08,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:32:08,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:32:08,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:32:08,772 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:32:08,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:32:08,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:32:08,772 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_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6568b5930df9b96ff5e807ba48758caa6128d98ba24e8c1d6b9a86c6290462f1 [2022-12-14 16:32:08,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:32:08,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:32:08,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:32:08,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:32:08,948 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:32:08,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c [2022-12-14 16:32:11,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:32:11,621 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:32:11,621 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c [2022-12-14 16:32:11,625 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/data/3a8a38dcb/3b9a04291994420dbde4547a27346727/FLAG3b643122b [2022-12-14 16:32:11,635 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/data/3a8a38dcb/3b9a04291994420dbde4547a27346727 [2022-12-14 16:32:11,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:32:11,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:32:11,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:32:11,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:32:11,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:32:11,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a33b2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11, skipping insertion in model container [2022-12-14 16:32:11,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:32:11,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:32:11,763 WARN L237 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_74ab2979-d04c-43b3-89c9-99ed36cfee3c/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c[524,537] [2022-12-14 16:32:11,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:32:11,782 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:32:11,790 WARN L237 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_74ab2979-d04c-43b3-89c9-99ed36cfee3c/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c[524,537] [2022-12-14 16:32:11,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:32:11,805 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:32:11,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11 WrapperNode [2022-12-14 16:32:11,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:32:11,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:32:11,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:32:11,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:32:11,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,829 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-12-14 16:32:11,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:32:11,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:32:11,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:32:11,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:32:11,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,842 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:32:11,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:32:11,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:32:11,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:32:11,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:32:11" (1/1) ... [2022-12-14 16:32:11,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:32:11,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:32:11,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:32:11,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:32:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:32:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 16:32:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 16:32:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:32:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:32:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:32:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 16:32:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 16:32:11,962 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:32:11,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:32:12,063 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:32:12,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:32:12,083 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:32:12,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:32:12 BoogieIcfgContainer [2022-12-14 16:32:12,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:32:12,085 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:32:12,086 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:32:12,093 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:32:12,093 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:32:12" (1/1) ... [2022-12-14 16:32:12,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:32:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-14 16:32:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-14 16:32:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:32:12,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:12,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:12,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 16:32:12,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:32:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:32:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:12,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-14 16:32:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-14 16:32:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:32:12,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:12,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:12,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:32:12,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:32:12,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:32:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-14 16:32:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-14 16:32:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:32:12,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:12,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:12,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 16:32:12,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:32:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:32:14,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 16:32:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-12-14 16:32:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-14 16:32:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:32:14,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:14,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:14,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 16:32:14,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:32:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:32:18,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 16:32:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2022-12-14 16:32:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2022-12-14 16:32:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:32:18,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:18,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:32:18,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:32:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:32:18,977 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-12-14 16:32:18,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:32:18 ImpRootNode [2022-12-14 16:32:18,995 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:32:18,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:32:18,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:32:18,996 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:32:18,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:32:12" (3/4) ... [2022-12-14 16:32:18,997 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 16:32:19,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:32:19,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:32:19,033 INFO L158 Benchmark]: Toolchain (without parser) took 7394.78ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 121.7MB in the end (delta: -723.6kB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2022-12-14 16:32:19,033 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:32:19,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.43ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 110.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:32:19,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.09ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:32:19,034 INFO L158 Benchmark]: Boogie Preprocessor took 14.56ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 108.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:32:19,035 INFO L158 Benchmark]: RCFGBuilder took 240.38ms. Allocated memory is still 151.0MB. Free memory was 108.0MB in the beginning and 95.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 16:32:19,035 INFO L158 Benchmark]: CodeCheck took 6909.69ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 47.5MB in the end (delta: 48.4MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-12-14 16:32:19,036 INFO L158 Benchmark]: Witness Printer took 37.02ms. Allocated memory is still 151.0MB. Free memory was 47.5MB in the beginning and 121.7MB in the end (delta: -74.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-12-14 16:32:19,038 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: 6.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 106 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 5 NumberOfNonLiveVariables, 275 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 9/10 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 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int counter = 0; [L21] int A, R; [L22] long long u, v, r; [L23] A = __VERIFIER_nondet_int() [L24] R = __VERIFIER_nondet_int() [L26] CALL assume_abort_if_not(((long long) R - 1) * ((long long) R - 1) < A) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L26] RET assume_abort_if_not(((long long) R - 1) * ((long long) R - 1) < A) VAL [A=5, counter=0, R=2] [L28] CALL assume_abort_if_not(A % 2 == 1) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L28] RET assume_abort_if_not(A % 2 == 1) VAL [A=5, counter=0, R=2] [L30] u = ((long long) 2 * R) + 1 [L31] v = 1 [L32] r = ((long long) R * R) - A VAL [A=5, counter=0, R=2, r=-1, u=5, v=1] [L34] EXPR counter++ VAL [A=5, counter=1, counter++=0, r=-1, R=2, u=5, v=1] [L34] COND TRUE counter++<1 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=5, counter=1, R=2, r=-1, u=5, v=1] [L36] COND FALSE !(!(r != 0)) [L38] COND FALSE !(r > 0) [L42] r = r + u [L43] u = u + 2 VAL [A=5, counter=1, r=4, R=2, u=7, v=1] [L34] EXPR counter++ VAL [A=5, counter=2, counter++=1, R=2, r=4, u=7, v=1] [L34] COND FALSE !(counter++<1) [L48] CALL __VERIFIER_assert(((long long) 4*A) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=0, counter=2] [L12] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=2] [L14] reach_error() VAL [\old(cond)=0, cond=0, counter=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.43ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 110.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.09ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.56ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 108.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 240.38ms. Allocated memory is still 151.0MB. Free memory was 108.0MB in the beginning and 95.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6909.69ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 47.5MB in the end (delta: 48.4MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Witness Printer took 37.02ms. Allocated memory is still 151.0MB. Free memory was 47.5MB in the beginning and 121.7MB in the end (delta: -74.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 16:32:19,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ab2979-d04c-43b3-89c9-99ed36cfee3c/bin/ukojak-rkRKPMF4O4/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE