./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:13:38,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:13:38,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:13:38,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:13:38,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:13:38,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:13:38,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:13:38,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:13:38,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:13:38,731 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:13:38,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:13:38,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:13:38,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:13:38,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:13:38,735 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:13:38,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:13:38,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:13:38,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:13:38,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:13:38,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:13:38,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:13:38,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:13:38,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:13:38,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:13:38,741 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:13:38,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:13:38,743 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:13:38,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:13:38,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:13:38,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:13:38,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:13:38,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:38,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:13:38,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:13:38,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:13:38,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:13:38,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:13:38,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:13:38,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:13:38,749 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:13:38,749 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:13:38,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:13:38,750 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2023-11-21 22:13:39,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:13:39,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:13:39,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:13:39,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:13:39,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:13:39,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2023-11-21 22:13:42,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:13:42,535 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:13:42,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2023-11-21 22:13:42,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data/60a2bca97/717e90e84d794636a5281b5cc4019b5f/FLAG7150a3123 [2023-11-21 22:13:42,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data/60a2bca97/717e90e84d794636a5281b5cc4019b5f [2023-11-21 22:13:42,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:13:42,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:13:42,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:42,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:13:42,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:13:42,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752f5cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42, skipping insertion in model container [2023-11-21 22:13:42,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:13:42,786 WARN L240 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_941548f1-0b65-4819-8a18-676a316dc44b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2023-11-21 22:13:42,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:42,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:13:42,857 WARN L240 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_941548f1-0b65-4819-8a18-676a316dc44b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2023-11-21 22:13:42,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:42,911 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:13:42,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42 WrapperNode [2023-11-21 22:13:42,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:42,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:42,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:13:42,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:13:42,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,963 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2023-11-21 22:13:42,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:42,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:13:42,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:13:42,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:13:42,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,979 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,991 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:13:42,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:42,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:43,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:43,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:43,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:43,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:13:43,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:13:43,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:13:43,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:13:43,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (1/1) ... [2023-11-21 22:13:43,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:43,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:43,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:13:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:13:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:13:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:13:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:13:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:13:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:13:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:13:43,235 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:13:43,237 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:13:43,487 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:13:43,668 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:13:43,669 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:13:43,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:43 BoogieIcfgContainer [2023-11-21 22:13:43,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:13:43,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:13:43,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:13:43,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:13:43,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:13:42" (1/3) ... [2023-11-21 22:13:43,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5336fda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:43, skipping insertion in model container [2023-11-21 22:13:43,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:42" (2/3) ... [2023-11-21 22:13:43,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5336fda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:43, skipping insertion in model container [2023-11-21 22:13:43,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:43" (3/3) ... [2023-11-21 22:13:43,689 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2023-11-21 22:13:43,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:13:43,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:13:43,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:13:43,772 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77eb3b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:13:43,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:13:43,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 22:13:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 22:13:43,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:43,790 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:43,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:43,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:43,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1610380726, now seen corresponding path program 1 times [2023-11-21 22:13:43,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:43,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481180253] [2023-11-21 22:13:43,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:44,032 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:44,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803706754] [2023-11-21 22:13:44,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:44,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:44,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:44,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:44,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:13:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:13:44,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:13:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:13:47,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:13:47,330 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:13:47,332 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:13:47,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:47,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:13:47,546 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:13:47,550 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:13:47,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:13:47 BoogieIcfgContainer [2023-11-21 22:13:47,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:13:47,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:13:47,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:13:47,689 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:13:47,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:43" (3/4) ... [2023-11-21 22:13:47,692 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:13:47,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:13:47,695 INFO L158 Benchmark]: Toolchain (without parser) took 5130.40ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 110.9MB in the beginning and 132.6MB in the end (delta: -21.7MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-21 22:13:47,696 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 157.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:13:47,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.44ms. Allocated memory is still 157.3MB. Free memory was 110.6MB in the beginning and 98.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:13:47,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.74ms. Allocated memory is still 157.3MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:13:47,700 INFO L158 Benchmark]: Boogie Preprocessor took 46.23ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 93.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:13:47,704 INFO L158 Benchmark]: RCFGBuilder took 664.97ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 93.2MB in the beginning and 171.4MB in the end (delta: -78.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-21 22:13:47,704 INFO L158 Benchmark]: TraceAbstraction took 4008.85ms. Allocated memory is still 203.4MB. Free memory was 170.3MB in the beginning and 132.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 22:13:47,707 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 203.4MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:13:47,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 157.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.44ms. Allocated memory is still 157.3MB. Free memory was 110.6MB in the beginning and 98.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.74ms. Allocated memory is still 157.3MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.23ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 93.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.97ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 93.2MB in the beginning and 171.4MB in the end (delta: -78.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4008.85ms. Allocated memory is still 203.4MB. Free memory was 170.3MB in the beginning and 132.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 203.4MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_8 = 1; [L25] unsigned char var_1_9 = 0; [L26] unsigned long int var_1_10 = 2; [L27] signed char var_1_11 = -16; [L28] signed char var_1_12 = -2; [L29] signed char var_1_13 = -10; [L30] signed char var_1_14 = 4; [L31] signed long int var_1_15 = 256; [L32] signed long int var_1_16 = 0; [L33] signed long int var_1_17 = 1000000000; [L34] signed long int var_1_18 = 50; [L35] signed long int var_1_19 = 9; [L36] signed long int var_1_20 = 1000000000; [L37] signed char var_1_21 = 4; [L38] unsigned short int var_1_22 = 10000; [L39] unsigned char last_1_var_1_1 = 1; [L40] signed long int last_1_var_1_15 = 256; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 [L97] last_1_var_1_15 = var_1_15 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L66] var_1_8 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L69] var_1_9 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L75] var_1_13 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L81] var_1_16 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L85] var_1_17 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L88] var_1_18 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L91] var_1_19 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L108] RET updateVariables() [L109] CALL step() [L44] COND FALSE !(\read(var_1_9)) [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] var_1_20 = var_1_19 [L49] var_1_21 = 1 [L50] var_1_22 = 10 [L51] COND TRUE (var_1_20 + (var_1_20 / var_1_16)) == var_1_20 [L52] COND TRUE var_1_20 >= last_1_var_1_15 [L53] var_1_15 = (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))) [L58] COND TRUE var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L59] var_1_1 = (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) ? ((var_1_20 >= last_1_var_1_15) ? (var_1_15 == ((signed long int) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((signed long int) ((((var_1_17) < ((5.75 + var_1_19))) ? (var_1_17) : ((5.75 + var_1_19))))))) : 1)) && (var_1_20 == ((signed long int) var_1_19))) && (var_1_21 == ((signed char) 1))) && (var_1_22 == ((unsigned short int) 10)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=17, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=0, var_1_20=256, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=17, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=0, var_1_20=256, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:13:47,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:13:50,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:13:50,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:13:50,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:13:50,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:13:50,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:13:50,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:13:50,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:13:50,700 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:13:50,705 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:13:50,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:13:50,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:13:50,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:13:50,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:13:50,709 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:13:50,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:13:50,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:13:50,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:13:50,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:13:50,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:13:50,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:13:50,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:13:50,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:13:50,715 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:13:50,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:13:50,716 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:13:50,716 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:13:50,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:13:50,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:13:50,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:13:50,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:13:50,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:13:50,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:13:50,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:50,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:13:50,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:13:50,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:13:50,722 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:13:50,722 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:13:50,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:13:50,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:13:50,723 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:13:50,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:13:50,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:13:50,724 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:13:50,724 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2023-11-21 22:13:51,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:13:51,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:13:51,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:13:51,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:13:51,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:13:51,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2023-11-21 22:13:54,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:13:54,715 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:13:54,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2023-11-21 22:13:54,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data/cafe0ebdc/e895ab249453451db0fa632137aaa45e/FLAG01255fcba [2023-11-21 22:13:54,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/data/cafe0ebdc/e895ab249453451db0fa632137aaa45e [2023-11-21 22:13:54,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:13:54,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:13:54,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:54,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:13:54,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:13:54,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:54" (1/1) ... [2023-11-21 22:13:54,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8083d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:54, skipping insertion in model container [2023-11-21 22:13:54,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:54" (1/1) ... [2023-11-21 22:13:54,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:13:54,958 WARN L240 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_941548f1-0b65-4819-8a18-676a316dc44b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2023-11-21 22:13:55,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:55,042 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:13:55,064 WARN L240 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_941548f1-0b65-4819-8a18-676a316dc44b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2023-11-21 22:13:55,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:55,142 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:13:55,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55 WrapperNode [2023-11-21 22:13:55,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:55,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:55,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:13:55,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:13:55,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,220 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-21 22:13:55,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:55,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:13:55,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:13:55,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:13:55,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,239 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,289 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:13:55,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:13:55,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:13:55,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:13:55,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:13:55,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (1/1) ... [2023-11-21 22:13:55,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:55,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:55,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:13:55,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:13:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:13:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:13:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:13:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:13:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:13:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:13:55,569 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:13:55,571 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:14:02,045 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:14:02,190 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:14:02,190 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:14:02,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:02 BoogieIcfgContainer [2023-11-21 22:14:02,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:14:02,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:14:02,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:14:02,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:14:02,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:13:54" (1/3) ... [2023-11-21 22:14:02,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce72359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:02, skipping insertion in model container [2023-11-21 22:14:02,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:55" (2/3) ... [2023-11-21 22:14:02,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce72359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:02, skipping insertion in model container [2023-11-21 22:14:02,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:02" (3/3) ... [2023-11-21 22:14:02,204 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2023-11-21 22:14:02,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:14:02,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:14:02,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:14:02,275 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@669ecc47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:14:02,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:14:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 22:14:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 22:14:02,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:02,292 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:02,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:02,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:02,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1610380726, now seen corresponding path program 1 times [2023-11-21 22:14:02,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:14:02,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950856055] [2023-11-21 22:14:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:02,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:14:02,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:14:02,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:14:02,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:14:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:02,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:03,246 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-21 22:14:03,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1105223408] [2023-11-21 22:14:03,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:03,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 22:14:03,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/cvc4 [2023-11-21 22:14:03,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 22:14:03,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941548f1-0b65-4819-8a18-676a316dc44b/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 22:14:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:03,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 22:14:03,842 INFO L285 TraceCheckSpWp]: Computing forward predicates...